The East Range occupies a strategic position at the western edge of the exposed western facies terrane near the Paleozoic continental margin. There a Cambrian and Ordovician deep-water sequence including the Preble and Valmy Formations is overlain by middle to upper Paleozoic strata that are assigned to three separate stratigraphic sequences on published geologic maps of the range. The three sequences, which include the Havallah sequence, the Inskip Formation, and the Harmony Formation, originally were perceived to be of different ages and lithic composition. The strata assigned to the Havallah are now known to contain conodonts of Late Devonian to Permian ages, and fusulinids of Permian age; those assigned to the Inskip contain conodonts of Early Mississippian and Permian ages and corals of Mississippian age. Strata assigned to the Harmony are undated paleontologically. All three are composed mainly of siliceous deep-water sedimentary deposits. Lower beds of the Havallah and Inskip totalling hundreds of meters in thickness are composed of arkosic sandstone and conglomerate identical to that composing most of the Harmony. The Havallah and Inskip lie disconformably on the quartzitic, middle part of the Valmy Formation. The Harmony lies concordantly on distinctive chert beds at the top of the Valmy Formation. Assuming the latter contact is disconformable rather than a bedding-parallel fault, the East Range displays the stratigraphic bases of all three arkosic map units. The disconformable relation of the Havallah and Inskip to the Valmy Formation indicates elevation of deep-water deposits, subaerial erosion down to Middle Ordovician, and in Late Devonian a return to deep immersion. There is no evidence here of Late Devonian to Early Mississippian folding. Major folds in the East Range must be of Jurassic or younger age because Upper Triassic strata are involved. Evidence of large-scale thrust-faulting is notably scarce. The existence of the Willow Creek thrust shown on published maps of the East Range was based on the mistaken belief that strata below the Valmy Formation are of Triassic age whereas they are actually of Cambrian and earliest Ordovician age.
","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Geology and ore deposits 2000: The Great Basin and beyond: Geological Society of Nevada symposium proceedings","largerWorkSubtype":{"id":12,"text":"Conference publication"},"conferenceTitle":"Geology and Ore Deposits 2000: The Great Basin and Beyond: Geological Society of Nevada Symposium","conferenceDate":"May 15-18, 2000","language":"English","publisher":"Geological Society of Nevada","usgsCitation":"Ketner, K.B., Wardlaw, B.R., Harris, A.G., and Repetski, J.E., 2000, The East Range, northwestern Nevada: A neglected key to the tectonic history of the region, chap. of Geology and ore deposits 2000: The Great Basin and beyond: Geological Society of Nevada symposium proceedings, p. 389-396.","productDescription":"8 p.","startPage":"389","endPage":"396","costCenters":[{"id":218,"text":"Denver Federal Center","active":false,"usgs":true},{"id":243,"text":"Eastern Geology and Paleoclimate Science Center","active":true,"usgs":true}],"links":[{"id":391982,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Nevada","otherGeospatial":"East Range","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -119.871826171875,\n 39.816975090490004\n ],\n [\n -114.81811523437501,\n 39.816975090490004\n ],\n [\n -114.81811523437501,\n 41.87774145109676\n ],\n [\n -119.871826171875,\n 41.87774145109676\n ],\n [\n -119.871826171875,\n 39.816975090490004\n ]\n ]\n ]\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Ketner, Keith B.","contributorId":957,"corporation":false,"usgs":true,"family":"Ketner","given":"Keith","email":"","middleInitial":"B.","affiliations":[],"preferred":true,"id":827137,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Wardlaw, Bruce R. bwardlaw@usgs.gov","contributorId":266,"corporation":false,"usgs":true,"family":"Wardlaw","given":"Bruce","email":"bwardlaw@usgs.gov","middleInitial":"R.","affiliations":[{"id":243,"text":"Eastern Geology and Paleoclimate Science Center","active":true,"usgs":true}],"preferred":true,"id":827138,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Harris, Anita G.","contributorId":50162,"corporation":false,"usgs":true,"family":"Harris","given":"Anita","email":"","middleInitial":"G.","affiliations":[],"preferred":false,"id":827139,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Repetski, John E. 0000-0002-2298-7120 jrepetski@usgs.gov","orcid":"https://orcid.org/0000-0002-2298-7120","contributorId":2596,"corporation":false,"usgs":true,"family":"Repetski","given":"John","email":"jrepetski@usgs.gov","middleInitial":"E.","affiliations":[{"id":40020,"text":"Florence Bascom Geoscience Center","active":true,"usgs":true},{"id":243,"text":"Eastern Geology and Paleoclimate Science Center","active":true,"usgs":true}],"preferred":true,"id":827140,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70195051,"text":"70195051 - 2000 - Protection of fish spawning habitat for the conservation of warm temperate reef fish fisheries of shelf-edge reefs of Florida","interactions":[],"lastModifiedDate":"2022-09-30T17:44:49.457507","indexId":"70195051","displayToPublicDate":"2000-12-31T00:00:00","publicationYear":"2000","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1106,"text":"Bulletin of Marine Science","active":true,"publicationSubtype":{"id":10}},"title":"Protection of fish spawning habitat for the conservation of warm temperate reef fish fisheries of shelf-edge reefs of Florida","docAbstract":"We mapped and briefly describe the surficial geology of selected examples of shelf-edge reefs (50–120 m deep) of the southeastern United States, which are apparently derived from ancient Pleistocene shorelines and are intermittently distributed throughout the region. These reefs are ecologically significant because they support a diverse array of fish and invertebrate species, and they are the only aggregation spawning sites of gag (Mycteroperca microlepis), scamp (M. phenax), and other economically important reef fish. Our studies on the east Florida shelf in the Experimental Oculina Research Reserve show that extensive damage to the habitat-structuring coral Oculina varicosa has occurred in the past, apparently from trawling and dredging activities of the 1970s and later. On damaged or destroyed Oculina habitat, reef-fish abundance and diversity are low, whereas on intact habitat, reef-fish diversity is relatively high compared to historical diversity on the same site. The abundance and biomass of the economically important reef fish was much higher in the past than it is now, and spawning aggregations of gag and scamp have been lost or greatly reduced in size. On the west Florida shelf, fishers have concentrated on shelf-edge habitats for over 100 yrs, but fishing intensity increased dramatically in the 1980s. Those reefs are characterized by low abundance of economically important species. The degree and extent of habitat damage there is unknown. We recommend marine fishery reserves to protect habitat and for use in experimentally examining the potential production of unfished communities.
","language":"English","publisher":"University of Miami","usgsCitation":"Koenig, C., Coleman, F., Grimes, C.B., Fitzhugh, G.R., Scanlon, K.M., Gledhill, C.T., and Grace, M., 2000, Protection of fish spawning habitat for the conservation of warm temperate reef fish fisheries of shelf-edge reefs of Florida: Bulletin of Marine Science, v. 66, no. 3, p. 593-616.","productDescription":"24 p.","startPage":"593","endPage":"616","costCenters":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"links":[{"id":351042,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":407699,"rank":2,"type":{"id":15,"text":"Index Page"},"url":"https://www.ingentaconnect.com/contentone/umrsmas/bullmar/2000/00000066/00000003/art00008"}],"country":"United States","state":"Florida","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -90.3076171875,\n 23.483400654325642\n ],\n [\n -77.5634765625,\n 23.483400654325642\n ],\n [\n -77.5634765625,\n 31.728167146023935\n ],\n [\n -90.3076171875,\n 31.728167146023935\n ],\n [\n -90.3076171875,\n 23.483400654325642\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"66","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5a7acd74e4b00f54eb20c80e","contributors":{"authors":[{"text":"Koenig, Christopher C.","contributorId":32099,"corporation":false,"usgs":true,"family":"Koenig","given":"Christopher C.","affiliations":[],"preferred":false,"id":726754,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Coleman, Felicia C.","contributorId":101578,"corporation":false,"usgs":true,"family":"Coleman","given":"Felicia C.","affiliations":[],"preferred":false,"id":726755,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Grimes, Churchill B.","contributorId":93839,"corporation":false,"usgs":false,"family":"Grimes","given":"Churchill","email":"","middleInitial":"B.","affiliations":[],"preferred":false,"id":726756,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Fitzhugh, Gary R.","contributorId":70307,"corporation":false,"usgs":true,"family":"Fitzhugh","given":"Gary","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":726757,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Scanlon, Kathryn M.","contributorId":6816,"corporation":false,"usgs":true,"family":"Scanlon","given":"Kathryn","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":726758,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Gledhill, Christopher T.","contributorId":61355,"corporation":false,"usgs":true,"family":"Gledhill","given":"Christopher","email":"","middleInitial":"T.","affiliations":[],"preferred":false,"id":726759,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Grace, Mark","contributorId":18286,"corporation":false,"usgs":true,"family":"Grace","given":"Mark","email":"","affiliations":[],"preferred":false,"id":726760,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}} ,{"id":70189394,"text":"70189394 - 2000 - Relations among sulfate, metals, sediment, and streamflow data for a stream draining a coal-mined watershed in East-Central Pennsylvania","interactions":[],"lastModifiedDate":"2017-07-12T10:58:06","indexId":"70189394","displayToPublicDate":"2000-12-31T00:00:00","publicationYear":"2000","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Relations among sulfate, metals, sediment, and streamflow data for a stream draining a coal-mined watershed in East-Central Pennsylvania","docAbstract":"Streamflow and water-quality data for the northern part of Swatara Creek, which drains a 112-km2 area in the Southern Anthracite Field of east-central Pennsylvania, indicate iron, copper, and lead, and to a lesser extent manganese and zinc, are transported with suspended particles during stormflow conditions. During stormflow conditions, concentrations of these constituents typically peak prior to peak stream stage as a result of scour and transport of streambed deposits. In contrast, sulfate is transported mostly as a dissolved ion. Concentrations of sulfate, specific conductance, and pH are inversely related to streamflow, indicating dilution and acidification during stormflow. This effect is attributed to the mixing of poorly buffered stream water having pH 6.0-6.5 with weakly acidic storm runoff having pH 4.0-4.5 and low dissolved solids.
","largerWorkTitle":"Proceedings of the ICARD 2000","conferenceTitle":"ICARD 2000 (International Conference on Acid Rock Drainage)","conferenceDate":"May 20-24, 2000","conferenceLocation":"Denver, CO","language":"English","publisher":" Society for Mining, Metallurgy, and Exploration","usgsCitation":"Cravotta, C.A., 2000, Relations among sulfate, metals, sediment, and streamflow data for a stream draining a coal-mined watershed in East-Central Pennsylvania, in Proceedings of the ICARD 2000, Denver, CO, May 20-24, 2000, 10 p.","productDescription":"10 p.","costCenters":[{"id":532,"text":"Pennsylvania Water Science Center","active":true,"usgs":true}],"links":[{"id":343687,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Pennsylvania","otherGeospatial":"Swatara Creek","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -76.51651382446289,\n 40.49317611862768\n ],\n [\n -76.35154724121094,\n 40.51849718776774\n ],\n [\n -76.26846313476562,\n 40.51171103483292\n ],\n [\n -76.19293212890625,\n 40.53572049118792\n ],\n [\n -76.15036010742186,\n 40.567024247788396\n ],\n [\n -76.15585327148438,\n 40.59935608796518\n ],\n [\n -76.21490478515625,\n 40.643135583312805\n ],\n [\n -76.26296997070312,\n 40.65147128144057\n ],\n [\n -76.26331329345703,\n 40.6553782815234\n ],\n [\n -76.26811981201172,\n 40.659545496109864\n ],\n [\n -76.2725830078125,\n 40.662800951382906\n ],\n [\n -76.27738952636719,\n 40.66475414828327\n ],\n [\n -76.27876281738281,\n 40.66892077716713\n ],\n [\n -76.28030776977539,\n 40.67048319588473\n ],\n [\n -76.2839126586914,\n 40.672045577994275\n ],\n [\n -76.28803253173828,\n 40.67399850415071\n ],\n [\n -76.28923416137695,\n 40.675430613644295\n ],\n [\n -76.28751754760742,\n 40.67829474034605\n ],\n [\n -76.28923416137695,\n 40.67959657544238\n ],\n [\n -76.31000518798828,\n 40.69287384120539\n ],\n [\n -76.33644104003906,\n 40.68558468942849\n ],\n [\n -76.34759902954102,\n 40.67048319588473\n ],\n [\n -76.3524055480957,\n 40.660977916004164\n ],\n [\n -76.36613845825195,\n 40.652773640221426\n ],\n [\n -76.38296127319336,\n 40.645740600821476\n ],\n [\n -76.39394760131836,\n 40.639358127326865\n ],\n [\n -76.41008377075195,\n 40.63636206195869\n ],\n [\n -76.43257141113281,\n 40.63479884404164\n ],\n [\n -76.43136978149414,\n 40.629587853312174\n ],\n [\n -76.42845153808594,\n 40.62737305910759\n ],\n [\n -76.42244338989258,\n 40.628154759567266\n ],\n [\n -76.41454696655273,\n 40.629587853312174\n ],\n [\n -76.40459060668945,\n 40.62724277480808\n ],\n [\n -76.39789581298828,\n 40.62177060472069\n ],\n [\n -76.40321731567383,\n 40.61825254434565\n ],\n [\n -76.4073371887207,\n 40.61577676116552\n ],\n [\n -76.4095687866211,\n 40.613691819957566\n ],\n [\n -76.43291473388672,\n 40.60196281341108\n ],\n [\n -76.53488159179688,\n 40.509622849596695\n ],\n [\n -76.51651382446289,\n 40.49317611862768\n ]\n ]\n ]\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"59673545e4b0d1f9f05dd7f0","contributors":{"authors":[{"text":"Cravotta, Charles A. III, 0000-0003-3116-4684 cravotta@usgs.gov","orcid":"https://orcid.org/0000-0003-3116-4684","contributorId":2193,"corporation":false,"usgs":true,"family":"Cravotta","given":"Charles","suffix":"III,","email":"cravotta@usgs.gov","middleInitial":"A.","affiliations":[{"id":532,"text":"Pennsylvania Water Science Center","active":true,"usgs":true}],"preferred":false,"id":704463,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":23571,"text":"ofr2000105B - 2000 - Analytical results and sample locality map for rock, stream-sediment, and soil samples, Northern and Eastern Colorado Desert BLM Resource Area, Imperial, Riverside, and San Bernardino Counties, California","interactions":[],"lastModifiedDate":"2021-11-17T22:57:14.74313","indexId":"ofr2000105B","displayToPublicDate":"2000-12-01T00:00:00","publicationYear":"2000","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2000-105","chapter":"B","title":"Analytical results and sample locality map for rock, stream-sediment, and soil samples, Northern and Eastern Colorado Desert BLM Resource Area, Imperial, Riverside, and San Bernardino Counties, California","docAbstract":"In 1996-1998 the U.S. Geological Survey (USGS) conducted a geochemical study of the Bureau of Land Management's (BLM) 5.5 million-acre Northern and Eastern Colorado Desert Resource Area (usually referred to as the NECD in this report), Imperial, Riverside, and San Bernardino Counties, southeastern California (figure 1). This study was done in support of the BLM's Coordinated Management Plan for the area. This report presents analytical data from this study. To provide comprehensive coverage of the NECD, we compiled and examined all available geochemical data, in digital form, from previous studies in the area, and made sample-site plots to aid in determining where sample-site coverage and analyses were sufficient, which samples should be re-analyzed, and where additional sampling was needed. Previous investigations conducted in parts of the current study area included the National Uranium Resource Evaluation (NURE) program studies of the Needles and Salton Sea 1° x 2° quadrangles; USGS studies of 12 BLM Wilderness Study Areas (WSAs) (Big Maria Mountains, Chemehuevi Mountains, Chuckwalla Mountains, Coxcomb Mountains, Mecca Hills, Orocopia Mountains, Palen-McCoy, Picacho Peak, Riverside Mountains, Sheephole Valley (also known as Sheep Hole/Cadiz), Turtle Mountains, and Whipple Mountains); and USGS studies in the Needles and El Centro 1° x 2° quadrangles done during the early 1990s as part of a project to identify the regional geochemistry of southern California. Areas where we did new sampling of rocks and stream sediments are mainly in the Chocolate Mountain Aerial Gunnery Range and in Joshua Tree National Park, which extends into the west-central part of the NECD, as shown in figure 1 and figure 2. This report contains analytical data for 132 rock samples and 1,245 stream-sediment samples collected by the USGS, and 362 stream-sediment samples and 189 soil samples collected during the NURE program. All samples are from the Northern and Eastern Colorado Desert BLM Resource Area and vicinity. Included in the 1,245 stream-sediment samples collected by the USGS are 284 samples collected as part of the current study, 817 samples collected as part of investigations of the12 BLM WSAs and re-analyzed for the present study, 45 samples from the Needles 1° x 2° quadrangle, and 99 samples from the El Centro 1° x 2° quadrangle. The NURE stream-sediment and soil samples were re-analyzed as part of the USGS study in the Needles quadrangle. Analytical data for samples from the Chocolate Mountain Aerial Gunnery Range, which is located within the area of the NECD, were previously reported (King and Chaffee, 1999a). For completeness, these results are also included in this report. Analytical data for samples from the area of Joshua Tree National Park that is within the NECD have also been reported (King and Chaffee, 1999b). These results are not included in this report. The analytical data presented here can be used for baseline geochemical, mineral resource, and environmental geochemical studies.
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr2000105B","issn":"0094-9140","usgsCitation":"King, H.D., and Chaffee, M.A., 2000, Analytical results and sample locality map for rock, stream-sediment, and soil samples, Northern and Eastern Colorado Desert BLM Resource Area, Imperial, Riverside, and San Bernardino Counties, California: U.S. Geological Survey Open-File Report 2000-105, 9 p., https://doi.org/10.3133/ofr2000105B.","productDescription":"9 p.","costCenters":[{"id":595,"text":"U.S. Geological Survey","active":false,"usgs":true}],"links":[{"id":156441,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":391839,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_23460.htm"},{"id":1633,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2000/ofr-00-0105/","linkFileType":{"id":5,"text":"html"}}],"country":"United States","state":"California","county":"Imperial County, Riverside County, San Bernardino County","otherGeospatial":"Northern and Eastern Colorado Desert BLM Resource Area","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -116.25,\n 32.7\n ],\n [\n -114.167,\n 32.7\n ],\n [\n -114.167,\n 34.917\n ],\n [\n -116.25,\n 34.917\n ],\n [\n -116.25,\n 32.7\n ]\n ]\n ]\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4acde4b07f02db67f3ec","contributors":{"authors":[{"text":"King, Harley D. hking@usgs.gov","contributorId":4046,"corporation":false,"usgs":true,"family":"King","given":"Harley","email":"hking@usgs.gov","middleInitial":"D.","affiliations":[],"preferred":true,"id":190335,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Chaffee, Maurice A. mchaffee@usgs.gov","contributorId":4047,"corporation":false,"usgs":true,"family":"Chaffee","given":"Maurice","email":"mchaffee@usgs.gov","middleInitial":"A.","affiliations":[{"id":171,"text":"Central Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":190336,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":66537,"text":"i2722 - 2000 - Digital data and geologic map of the Powder Mill Ferry Quadrangle, Shannon and Reynolds counties, Missouri","interactions":[],"lastModifiedDate":"2012-02-10T00:11:21","indexId":"i2722","displayToPublicDate":"2000-12-01T00:00:00","publicationYear":"2000","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":320,"text":"IMAP","code":"I","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"2722","subseriesTitle":"GIS","title":"Digital data and geologic map of the Powder Mill Ferry Quadrangle, Shannon and Reynolds counties, Missouri","docAbstract":"The geology of the Powder Mill Ferry 7 1/2-minute\r\n quadrangle ,\r\n Shannon and Reynolds Counties, Missouri was mapped from\r\n 1997 through 1998 as part of the Midcontinent Karst Systems\r\n and Geologic\r\n Mapping Project, Eastern Earth Surface Processes Team. The\r\n map supports the production of a geologic framework that\r\n will be used in hydrogeologic investigations related to\r\n potential lead and zinc mining in the Mark Twain National\r\n Forest adjacent to the Ozark National Scenic Riverways\r\n (National Park Service). Digital geologic coverages will be\r\n used by other federal and state agencies in hydrogeologic\r\n analyses of the Ozark karst system and in ecological models.","language":"ENGLISH","doi":"10.3133/i2722","usgsCitation":"McDowell, R., Harrison, R., and Lagueux, K.M., 2000, Digital data and geologic map of the Powder Mill Ferry Quadrangle, Shannon and Reynolds counties, Missouri (Version 1.0.): U.S. Geological Survey IMAP 2722, map, https://doi.org/10.3133/i2722.","productDescription":"map","costCenters":[],"links":[{"id":187802,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":6127,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/imap/i-2722/","linkFileType":{"id":5,"text":"html"}},{"id":110139,"rank":700,"type":{"id":15,"text":"Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_34355.htm","linkFileType":{"id":5,"text":"html"},"description":"34355"}],"scale":"24000","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -91.25,37.1175 ], [ -91.25,37.25 ], [ -91.11749999999999,37.25 ], [ -91.11749999999999,37.1175 ], [ -91.25,37.1175 ] ] ] } } ] }","edition":"Version 1.0.","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b32e4b07f02db6b4652","contributors":{"authors":[{"text":"McDowell, Robert C.","contributorId":88345,"corporation":false,"usgs":true,"family":"McDowell","given":"Robert C.","affiliations":[],"preferred":false,"id":274678,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Harrison, Richard W. rharriso@usgs.gov","contributorId":544,"corporation":false,"usgs":true,"family":"Harrison","given":"Richard W.","email":"rharriso@usgs.gov","affiliations":[{"id":243,"text":"Eastern Geology and Paleoclimate Science Center","active":true,"usgs":true}],"preferred":true,"id":274676,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Lagueux, Kerry M.","contributorId":18799,"corporation":false,"usgs":true,"family":"Lagueux","given":"Kerry","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":274677,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70206471,"text":"70206471 - 2000 - Pseudomulceodens: A Mississippian Rostroconch from Mexico","interactions":[],"lastModifiedDate":"2019-11-07T06:58:39","indexId":"70206471","displayToPublicDate":"2000-11-06T11:30:40","publicationYear":"2000","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2412,"text":"Journal of Paleontology","active":true,"publicationSubtype":{"id":10}},"title":"Pseudomulceodens: A Mississippian Rostroconch from Mexico","docAbstract":"This finding of Pseudomulceodens in Mississippian-age rocks of the Santiago Formation provides the first evidence of the molluscan class Rostroconchia in Mexico. Elsewhere in North American Mississippian rocks the class occurs in Arkansas (Hoare et al., 1982, 1988); Illinois (Weller, 1916); Indiana (Beede, 1906); Iowa (White and Whitfield, 1862); Michigan (Winchell, 1870); Montana and Nevada (Pojeta and Runnegar, 1976); Ohio (Hyde, 1953; Hoare, 1990); and Oklahoma (Branson, 1958). Pseudomulceodens cancellatus (Hyde, 1953) confirms the Osagean age (Early Mississippian) of the Santiago Formation, and reinforces the conclusion that there is paleobiogeographic similarity between faunas of the Nochixtlan region of Oaxaca, Mexico and the midcontinent of the USA during Early Carboniferous time. It seems likely that there was a close connection between southwestern Mexico and the Mid-Continent Paleoprovince, located in the east and central regions of the United States. Prior to this study the rostroconch genera Aphelakardia and Pseudomulceodens were placed in the family Hippocardiidae; they are here transferred to the family Conocardiidae.
","language":"English","publisher":"Paleontological Society","doi":"10.1666/0022-3360(2000)074<1184:PAMRFM>2.0.CO;2","usgsCitation":"Quiroz-Barroso, S., Pojeta, J., Sour-Tovar, F., and Morales-Soto, S., 2000, Pseudomulceodens: A Mississippian Rostroconch from Mexico: Journal of Paleontology, v. 74, no. 6, p. 1184-1186, https://doi.org/10.1666/0022-3360(2000)074<1184:PAMRFM>2.0.CO;2.","productDescription":"3 p.","startPage":"1184","endPage":"1186","costCenters":[],"links":[{"id":368972,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"74","issue":"6","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Quiroz-Barroso, S.A.","contributorId":220325,"corporation":false,"usgs":false,"family":"Quiroz-Barroso","given":"S.A.","email":"","affiliations":[],"preferred":false,"id":774765,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Pojeta, John Jr.","contributorId":8507,"corporation":false,"usgs":true,"family":"Pojeta","given":"John","suffix":"Jr.","email":"","affiliations":[],"preferred":false,"id":774766,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Sour-Tovar, Francisco","contributorId":220326,"corporation":false,"usgs":false,"family":"Sour-Tovar","given":"Francisco","email":"","affiliations":[],"preferred":false,"id":774767,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Morales-Soto, Salvador","contributorId":220327,"corporation":false,"usgs":false,"family":"Morales-Soto","given":"Salvador","email":"","affiliations":[],"preferred":false,"id":774768,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70179116,"text":"70179116 - 2000 - Geohydrology and numerical simulation of groundwater flow in the central Virgin River Basin of Iron and Washington Counties, Utah","interactions":[],"lastModifiedDate":"2022-11-09T17:29:48.788751","indexId":"70179116","displayToPublicDate":"2000-11-01T00:00:00","publicationYear":"2000","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":4,"text":"Other Government Series"},"seriesTitle":{"id":294,"text":"Technical Publication","active":false,"publicationSubtype":{"id":4}},"seriesNumber":"116","title":"Geohydrology and numerical simulation of groundwater flow in the central Virgin River Basin of Iron and Washington Counties, Utah","docAbstract":"Because rapid growth of communities in Washington and Iron Counties, Utah, is expected to cause an increase in the future demand for water resources, a hydrologic investigation was done to better understand ground-water resources within the central Virgin River basin. This study focused on two of the principal ground-water reservoirs within the basin: the upper Ash Creek basin ground-water system and the Navajo and Kayenta aquifer system.
The ground-water system of the upper Ash Creek drainage basin consists of three aquifers: the uppermost Quaternary basin-fill aquifer, the Tertiary alluvial-fan aquifer, and the Tertiary Pine Valley monzonite aquifer. These aquifers are naturally bounded by the Hurricane Fault and by drainage divides. On the basis of measurements, estimates, and numerical simulations of reasonable values for all inflow and outflow components, total water moving through the upper Ash Creek drainage basin ground-water system is estimated to be about 14,000 acre-feet per year. Recharge to the upper Ash Creek drainage basin ground-water system is mostly from infiltration of precipitation and seepage from ephemeral and perennial streams. The primary source of discharge is assumed to be evapotranspiration; however, subsurface discharge near Ash Creek Reservoir also may be important.
The character of two of the hydrologic boundaries of the upper Ash Creek drainage basin ground-water system is speculative. The eastern boundary provided by the Hurricane Fault is assumed to be a no-flow boundary, and a substantial part of the ground-water discharge from the system is assumed to be subsurface outflow beneath Ash Creek Reservoir along the southern boundary. However, these assumptions might be incorrect because alternative numerical simulations that used different boundary conditions also proved to be feasible. The hydrogeologic character of the aquifers is uncertain because of limited data. Differences in well yield indicate that there is considerable variability in the transmissivity of the basin-fill aquifer. Field data also indicate that the basin-fill aquifer is more transmissive than the underlying alluvial-fan aquifer. Data from the Pine Valley monzonite aquifer indicate that its transmissivity may be highly variable and that it is strongly influenced by the connection of fractures.
The Navajo and Kayenta aquifers provide most of the potable water to the municipalities of Washington County. Because of large outcrop exposures, uniform grain size, and large stratigraphic thickness, these formations are able to receive and store large amounts of water. In addition, structural forces have resulted in extensive fracture zones that enhance ground-water recharge and movement within these aquifers. Aquifer testing of the Navajo aquifer indicates that horizontal hydraulic-conductivity values range from 0.2 to 32 feet per day at different locations and may be primarily dependent on the extent of fracturing. Limited data indicate that the Kayenta aquifer generally is less transmissive than the Navajo aquifer. The aquifers are bounded to the south and west by the erosional extent of the formations and to the east by the Hurricane Fault, which completely offsets these formations and is assumed to be a lateral no-flow boundary. Like the Hurricane Fault, the Gunlock Fault is assumed to be a lateral no-flow boundary that divides the Navajo and Kayenta aquifers within the study area into two parts: the main part, between the Hurricane and Gunlock Faults; and the Gunlock part, west of the Gunlock Fault.
Generally, the water in the Navajo and Kayenta aquifers contains few dissolved minerals. However, two distinct areas contain water with dissolved-solids concentrations greater than 500 milligrams per liter: a larger area north of the city of St. George and a smaller area a few miles west of the town of Hurricane. Mass-balance calculations indicate that in the higher-dissolved-solids area north of St. George, as much as 2.7 cubic feet per second may be entering the aquifer from underlying formations. For the area west of Hurricane, as much as 1.5 cubic feet per second may be entering the aquifer from underlying formations.
On the basis of measurements, estimates, and numerical simulations, total water moving through the Navajo and Kayenta aquifers is estimated to be about 25,000 acre-feet per year for the main part and 5,000 acre-feet per year for the Gunlock part. The primary source of recharge is assumed to be infiltration of precipitation in the main part and seepage from the Santa Clara River in the Gunlock part. The primary source of discharge is assumed to be well discharge for both the main and Gunlock parts of the aquifers. Numerical simulations indicate that faults with major offset, such as the Washington Hollow Fault and an unnamed fault near Anderson Junction, may impede horizontal ground-water flow. Also, increased horizontal hydraulic conductivity along the orientation of predominant surface fracturing may be an important factor in regional ground-water flow. Simulations with increased north-south hydraulic conductivity substantially improved the match to measured water levels in the central area of the model between Snow Canyon and Mill Creek. Numerical simulation of the Gunlock part, using aquifer properties determined for the city of St. George municipal well field, resulted in a reasonable representation of regional water levels and estimated seepage from and to the Santa Clara River. To further quantify the Gunlock part of the Navajo and Kayenta aquifers, a better understanding of ground-water flow at the Gunlock Fault is needed.
","language":"English","publisher":"Utah Department of Natural Resources, Division of Water Rights","publisherLocation":"Salt Lake City, UT","collaboration":"Prepared by the United States Geological Survey in cooperation with the Utah Department of Natural Resources, Division of Water Rights; and the Washington County Water Conservancy District","usgsCitation":"Heilweil, V., Freethey, G., Wilkowske, C., Stolp, B., and Wilberg, D., 2000, Geohydrology and numerical simulation of groundwater flow in the central Virgin River Basin of Iron and Washington Counties, Utah: Technical Publication 116, xviii, 139 p.","productDescription":"xviii, 139 p.","numberOfPages":"206","costCenters":[{"id":610,"text":"Utah Water Science Center","active":true,"usgs":true}],"links":[{"id":332239,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":409264,"rank":2,"type":{"id":15,"text":"Index Page"},"url":"https://www.waterrights.utah.gov/cgi-bin/docview.exe?Folder=TP50-1-203&Title=Technical+Publication+116"}],"country":"United States","state":"Utah","county":"Iron County, Washington County","otherGeospatial":"Central Virgin River Basin","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -114.06005859375,\n 37.00255267215955\n ],\n [\n -114.06005859375,\n 37.78808138412046\n ],\n [\n -112.25830078125,\n 37.78808138412046\n ],\n [\n -112.25830078125,\n 37.00255267215955\n ],\n [\n -114.06005859375,\n 37.00255267215955\n ]\n ]\n ]\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"58550b8ae4b02bdf681568c3","contributors":{"authors":[{"text":"Heilweil, V.M.","contributorId":25197,"corporation":false,"usgs":true,"family":"Heilweil","given":"V.M.","affiliations":[],"preferred":false,"id":656079,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Freethey, G. W.","contributorId":105714,"corporation":false,"usgs":true,"family":"Freethey","given":"G. W.","affiliations":[],"preferred":false,"id":656080,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Wilkowske, C.D.","contributorId":63050,"corporation":false,"usgs":true,"family":"Wilkowske","given":"C.D.","email":"","affiliations":[],"preferred":false,"id":656081,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Stolp, Bernard J. 0000-0003-3803-1497","orcid":"https://orcid.org/0000-0003-3803-1497","contributorId":71942,"corporation":false,"usgs":true,"family":"Stolp","given":"Bernard J.","affiliations":[],"preferred":false,"id":656082,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Wilberg, Dale E.","contributorId":60215,"corporation":false,"usgs":true,"family":"Wilberg","given":"Dale E.","affiliations":[],"preferred":false,"id":656083,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":58955,"text":"mf2343 - 2000 - Geologic map of the upper Parashant Canyon and vicinity Mohave County, northwestern Arizona","interactions":[],"lastModifiedDate":"2022-07-13T19:18:27.982542","indexId":"mf2343","displayToPublicDate":"2000-11-01T00:00:00","publicationYear":"2000","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":325,"text":"Miscellaneous Field Studies Map","code":"MF","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"2343","title":"Geologic map of the upper Parashant Canyon and vicinity Mohave County, northwestern Arizona","docAbstract":"The geologic map of the upper Parashant Canyon area covers part of the Colorado Plateau and several large tributary canyons that make up the western part of Arizona's Grand Canyon. The map is part of a cooperative U.S. Geological Survey and National Park Service project to provide geologic information for areas within the newly established Grand Canyon/Parashant Canyon National Monument. Most of the Grand Canyon and parts of the adjacent plateaus have been geologically mapped; this map fills in one of the remaining areas where uniform quality geologic mapping was needed. The geologic information presented may be useful in future related studies as to land use management, range management, and flood control programs for federal and state agencies, and private concerns. The map area is in a remote region of the Arizona Strip, northwestern Arizona about 88 km south of the nearest settlement of St. George, Utah. Elevations range from about 1,097 m (3,600 ft) in Parashant Canyon (south edge of map area) to 2,145 m (7,037 ft) near the east-central edge of the map area. Primary vehicle access is by dirt road locally known as the Mount Trumbull road; unimproved dirt roads and jeep trails traverse various parts of the map area. Travel on the Mount Trumbull road is possible with 2-wheel-drive vehicles except during wet conditions. Extra fuel, two spare tires and extra food and water are highly recommended when traveling in this remote area. The map area includes about 26 sections of land belonging to the State of Arizona, about 40 sections of private land, and a small strip of the Lake Mead National Recreation Area (southeast edge of the map area). The private land is mainly clustered around the abandoned settlement of Mt. Trumbull, locally known as Bundyville, and a few sections are scattered in the upper Whitmore Canyon area just south of Bundyville. Lower elevations within the canyons support a sparse growth of sagebrush, cactus, grass, creosote bush, and a variety of desert shrubs. Sagebrush, grass, cactus, cliffrose bush, pinyon pine trees, juniper trees, and some ponderosa pines thrive at higher elevations. Surface runoff in the north half of the map area drains northward towards the Virgin River in Utah via Hurricane Wash. In the south half of the area, it drains towards the Colorado River in Grand Canyon via Parashant and Whitmore Canyons. Upper Parashant and Whitmore Canyons are part of the physiography of the western Grand Canyon, but are not included within Grand Canyon National Park. The entire map area is now within the newly established Grand Canyon/Parashant Canyon National Monument (as of January, 2000), and is jointly managed by the Lake Mead National Recreational Area, Boulder City, Nevada, and the Bureau of Land Management, Arizona Strip District, St. George, Utah. Surface runoff in the north half of the map area drains northward towards the Virgin River in Utah via Hurricane Wash. In the south half of the area, it drains towards the Colorado River in Grand Canyon via Parashant and Whitmore Canyons. Upper Parashant and Whitmore Canyons are part of the physiography of the western Grand Canyon, but are not included within Grand Canyon National Park. The entire map area is now within the newly established Grand Canyon/Parashant Canyon National Monument (January, 2000), and is jointly managed by the Lake Mead National Recreational Area, Boulder City, Nevada, and the Bureau of Land Management, Arizona Strip District, St. George, Utah.
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/mf2343","usgsCitation":"Billingsley, G.H., Harr, M.L., and Wellmeyer, J.L., 2000, Geologic map of the upper Parashant Canyon and vicinity Mohave County, northwestern Arizona (Online Version 1.0): U.S. Geological Survey Miscellaneous Field Studies Map 2343, Report: 27 p.; 1 Plate: 39.06 × 44.04 inches; Metadata; Data, https://doi.org/10.3133/mf2343.","productDescription":"Report: 27 p.; 1 Plate: 39.06 × 44.04 inches; Metadata; Data","additionalOnlineFiles":"Y","costCenters":[{"id":647,"text":"Western Earth Surface Processes","active":false,"usgs":true}],"links":[{"id":184661,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":110131,"rank":700,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_34052.htm","linkFileType":{"id":5,"text":"html"},"description":"34052"},{"id":9534,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/mf/2000/2343/","linkFileType":{"id":5,"text":"html"}}],"scale":"31680","country":"United States","state":"Arizona","county":"Mohave County","otherGeospatial":"upper Parashant Canyon","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -113.5,\n 36.25\n ],\n [\n -113.25,\n 36.25\n ],\n [\n -113.25,\n 36.5\n ],\n [\n -113.5,\n 36.5\n ],\n [\n -113.5,\n 36.25\n ]\n ]\n ]\n }\n }\n ]\n}","edition":"Online Version 1.0","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b1ae4b07f02db6a840e","contributors":{"authors":[{"text":"Billingsley, George H.","contributorId":20711,"corporation":false,"usgs":true,"family":"Billingsley","given":"George","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":261157,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Harr, Michelle L.","contributorId":55905,"corporation":false,"usgs":true,"family":"Harr","given":"Michelle","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":261158,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Wellmeyer, Jessica L.","contributorId":8177,"corporation":false,"usgs":true,"family":"Wellmeyer","given":"Jessica","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":261156,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":22266,"text":"ofr0067 - 2000 - Water-quality assessment of the Eastern Iowa Basins: Hydrologic and biologic data, October 1996 through September 1998","interactions":[],"lastModifiedDate":"2022-08-30T20:38:56.112509","indexId":"ofr0067","displayToPublicDate":"2000-11-01T00:00:00","publicationYear":"2000","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2000-67","title":"Water-quality assessment of the Eastern Iowa Basins: Hydrologic and biologic data, October 1996 through September 1998","docAbstract":"Hydrologic and biologic data collected from October 1996 through September 1998 in the Eastern Iowa Basins study unit of the U.S. Geological Survey National Water-Quality Assessment Program are presented in this report. Monthly data collected from 12 sites on rivers and streams included measurements of physical properties and determinations of the concentrations of nutrients, major ions, organic carbon, trace elements, suspended sediment, and dissolved pesticides. Fish-tissue samples were collected at two sites in September 1997 and analyzed for organochlorine pesticides. In addition, water-quality assessments were made at 25 sites as part of a synoptic study in August 1997 and May 1998. A ground-water study was conducted to evaluate the effects of agricultural and urban land use on the water quality of shallow alluvial aquifers in the study unit. Samples were collected and analyzed from wells in 31 agricultural and 30 urban land-use areas during June-August 1997. Samples were collected and analyzed from 32 domestic wells during June-July 1998 to provide a broad assessment of the water quality of shallow alluvial aquifers throughout the study unit. Samples were collected during August 1998 from 27 shallow monitoring wells completed in the Iowa River alluvial aquifer to evaluate the effects of changing land use on shallow ground-water quality. Ground-water samples were analyzed for physical properties, nutrients, major ions, organic carbon, trace elements, dissolved pesticides, volatile organic compounds, radon-222, and tritium.
","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ofr0067","usgsCitation":"Akers, K., Montgomery, D.L., Christiansen, D.E., Savoca, M.E., Schnoebelen, D.J., Becher, K., and Sadorf, E.M., 2000, Water-quality assessment of the Eastern Iowa Basins: Hydrologic and biologic data, October 1996 through September 1998: U.S. Geological Survey Open-File Report 2000-67, viii, 359 p., https://doi.org/10.3133/ofr0067.","productDescription":"viii, 359 p.","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":351,"text":"Iowa Water Science Center","active":true,"usgs":true},{"id":583,"text":"Texas Water Science Center","active":true,"usgs":true},{"id":622,"text":"Washington Water Science Center","active":true,"usgs":true}],"links":[{"id":316709,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":1350,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2000/ofr0067/","linkFileType":{"id":5,"text":"html"}},{"id":405948,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_30106.htm","linkFileType":{"id":5,"text":"html"}}],"country":"United States","state":"Iowa","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -93.828,\n 40.719\n ],\n [\n -90.367,\n 40.719\n ],\n [\n -90.367,\n 43.916\n ],\n [\n -93.828,\n 43.916\n ],\n [\n -93.828,\n 40.719\n ]\n ]\n ]\n }\n }\n ]\n}","tableOfContents":"Abstract
Introduction
Purpose and Scope
Description of the Eastern Iowa Basins
Implementation of Water-Quality Studies
Surface-Water-Quality Data Collection
Sampling Sites
Surface-Water Sample Collection
Biologic Sample Collection
Analytical Procedures
Ground-Water-Quality Data
Site Selection
Well Installation
Ground-Water Sample Collection
Analytical Procedures
Water-Quality Analysis and Quality Control
Surface Water
Ground Water
Acknowledgments
Selected References
Director,
Geology, Minerals, Energy, and Geophysics Science Center
U.S. Geological Survey
345 Middlefield Road, MS 901
Menlo Park, CA 94025-3591
No abstract available.
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","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Mounds View, MN","doi":"10.3133/ofr99474","collaboration":"Prepared in cooperation with the Minnesota Department of Transportation","usgsCitation":"Sanocki, C.A., 2000, Physical characteristics of stream subbasins in the Des Moines River, Upper Des Moines River, and East Fork Des Moines River basins, southern Minnesota and northern Iowa: U.S. Geological Survey Open-File Report 99-474, Report: 10 p.; 1 Plate: 45.00 x 33.01 inches, https://doi.org/10.3133/ofr99474.","productDescription":"Report: 10 p.; 1 Plate: 45.00 x 33.01 inches","onlineOnly":"N","additionalOnlineFiles":"Y","costCenters":[{"id":392,"text":"Minnesota Water Science 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}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4adbe4b07f02db685c9c","contributors":{"authors":[{"text":"Sanocki, Christopher A.","contributorId":100432,"corporation":false,"usgs":true,"family":"Sanocki","given":"Christopher","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":208249,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":21579,"text":"ofr00239 - 2000 - Analytical data for reconnaissance geochemical samples from mine dumps, stream sediments and waters at the Thompson Creek Tungsten Mine, Custer County, Idaho","interactions":[],"lastModifiedDate":"2018-10-29T09:45:29","indexId":"ofr00239","displayToPublicDate":"2000-10-01T00:00:00","publicationYear":"2000","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2000-239","title":"Analytical data for reconnaissance geochemical samples from mine dumps, stream sediments and waters at the Thompson Creek Tungsten Mine, Custer County, Idaho","docAbstract":"The Thompson Creek mine is an inactive and abandoned tungsten mine located along Thompson Creek about 10.5 miles (17 km) northwest of Clayton, Idaho (see location map in file LOCATION.PDF). The mine consisted initially of open pit mining of outcrops and later of underground workings accessed by a single adit. The mine was worked through 1955 and waste piles presently reside in the flood plain above the east bank of Thompson Creek. A view of the collapsed adit is provided in the TIFF (Tagged-Image File Format) file ADIT.TIF (all photographs taken on 08/13/99). A south-facing view of the mine waste dumps is provided in the TIFF file SOUTH.TIF and a north-facing view is provided in NORTH.TIF.
","language":"English","publisher":"U.S. Geological Survey,","doi":"10.3133/ofr00239","usgsCitation":"Van Gosen, B.S., Eppinger, R., Hammarstrom, J.M., Briggs, P., Crock, J., Gent, C., Meier, A.L., Sutley, S.J., and Theodorakos, P.M., 2000, Analytical data for reconnaissance geochemical samples from mine dumps, stream sediments and waters at the Thompson Creek Tungsten Mine, Custer County, Idaho: U.S. Geological Survey Open-File Report 2000-239, 28 p., https://doi.org/10.3133/ofr00239.","productDescription":"28 p.","costCenters":[{"id":245,"text":"Eastern Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"links":[{"id":153435,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":1240,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2000/ofr-00-0239/","linkFileType":{"id":5,"text":"html"}}],"country":"United States","state":"Idaho","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4acfe4b07f02db67ff92","contributors":{"authors":[{"text":"Van Gosen, B. S. 0000-0003-4214-3811","orcid":"https://orcid.org/0000-0003-4214-3811","contributorId":97907,"corporation":false,"usgs":true,"family":"Van Gosen","given":"B.","middleInitial":"S.","affiliations":[],"preferred":false,"id":184745,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Eppinger, R. G.","contributorId":100837,"corporation":false,"usgs":true,"family":"Eppinger","given":"R. G.","affiliations":[],"preferred":false,"id":184746,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Hammarstrom, J. M.","contributorId":34513,"corporation":false,"usgs":true,"family":"Hammarstrom","given":"J.","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":184740,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Briggs, Paul H.","contributorId":107691,"corporation":false,"usgs":true,"family":"Briggs","given":"Paul H.","affiliations":[],"preferred":false,"id":184747,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Crock, J.G.","contributorId":58236,"corporation":false,"usgs":true,"family":"Crock","given":"J.G.","email":"","affiliations":[],"preferred":false,"id":184742,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Gent, C.","contributorId":45737,"corporation":false,"usgs":true,"family":"Gent","given":"C.","affiliations":[],"preferred":false,"id":184741,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Meier, A. L.","contributorId":81480,"corporation":false,"usgs":true,"family":"Meier","given":"A.","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":184743,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Sutley, S. J.","contributorId":91484,"corporation":false,"usgs":true,"family":"Sutley","given":"S.","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":184744,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Theodorakos, P. M.","contributorId":12500,"corporation":false,"usgs":true,"family":"Theodorakos","given":"P.","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":184739,"contributorType":{"id":1,"text":"Authors"},"rank":9}]}} ,{"id":70093577,"text":"70093577 - 2000 - Comment on “Sea level rise shown to drive coastal erosion”","interactions":[],"lastModifiedDate":"2020-08-28T12:52:32.775209","indexId":"70093577","displayToPublicDate":"2000-09-19T13:50:34","publicationYear":"2000","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1578,"text":"Eos, Transactions, American Geophysical Union","onlineIssn":"2324-9250","printIssn":"0096-394","active":true,"publicationSubtype":{"id":10}},"title":"Comment on “Sea level rise shown to drive coastal erosion”","docAbstract":"In a recent article (Eos, Trans., AGU, February 8, 2000, p.55), Leatherman et al. [2000] state that they have confirmed an association between sea-level rise and coastal erosion. Applying their results to the New Jersey, Delaware, and Maryland coasts and using a projected sea-level rise, the authors predict that by 2050 the shoreline will recede 60 m, about two times the average beach width.
\nHowever, Leatherman et al. [2000] have not convincingly quantified a relationship between sea-level rise and shoreline erosion.We do not agree with their rationale for subsetting their data, and they have not considered other explanations for a background erosion along the U.S. east coast. Furthermore, their future projections are not supported by their analyses.
","language":"English","publisher":"American Geophysical Union","doi":"10.1029/EO081i038p00436-02","usgsCitation":"Sallenger, Morton, R., Fletcher, C., Thieler, E.R., and Howd, P., 2000, Comment on “Sea level rise shown to drive coastal erosion”: Eos, Transactions, American Geophysical Union, v. 81, no. 38, p. 436-436, https://doi.org/10.1029/EO081i038p00436-02.","productDescription":"1 p.","startPage":"436","endPage":"436","costCenters":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"links":[{"id":479115,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1029/eo081i038p00436-02","text":"Publisher Index Page"},{"id":282120,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -94.31,28.11 ], [ -94.31,42.16 ], [ -71.15,42.16 ], [ -71.15,28.11 ], [ -94.31,28.11 ] ] ] } } ] }","volume":"81","issue":"38","noUsgsAuthors":false,"publicationDate":"2011-06-03","publicationStatus":"PW","scienceBaseUri":"53cd51dde4b0b290850f42b0","contributors":{"authors":[{"text":"Sallenger, Jr.","contributorId":105768,"corporation":false,"usgs":true,"family":"Sallenger","suffix":"Jr.","email":"","affiliations":[],"preferred":false,"id":490063,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Morton, Robert","contributorId":49701,"corporation":false,"usgs":true,"family":"Morton","given":"Robert","affiliations":[],"preferred":false,"id":490061,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Fletcher, Charles","contributorId":66170,"corporation":false,"usgs":true,"family":"Fletcher","given":"Charles","affiliations":[],"preferred":false,"id":490062,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Thieler, E. Robert 0000-0003-4311-9717 rthieler@usgs.gov","orcid":"https://orcid.org/0000-0003-4311-9717","contributorId":2488,"corporation":false,"usgs":true,"family":"Thieler","given":"E.","email":"rthieler@usgs.gov","middleInitial":"Robert","affiliations":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":true,"id":490059,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Howd, Peter","contributorId":24656,"corporation":false,"usgs":true,"family":"Howd","given":"Peter","affiliations":[],"preferred":false,"id":490060,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70126200,"text":"70126200 - 2000 - Mercury in Long Island Sound sediments","interactions":[],"lastModifiedDate":"2017-11-18T12:27:42","indexId":"70126200","displayToPublicDate":"2000-09-19T11:54:00","publicationYear":"2000","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2220,"text":"Journal of Coastal Research","active":true,"publicationSubtype":{"id":10}},"title":"Mercury in Long Island Sound sediments","docAbstract":"Mercury (Hg) concentrations were measured in 394 surface and core samples from Long Island Sound (LIS). The surface sediment Hg concentration data show a wide spread, ranging from <50 ppb Hg in eastern LIS to >600 ppb Hg in westernmost LIS. Part of the observed range is related to variations in the bottom sedimentary environments, with higher Hg concentrations in the muddy depositional areas of central and western LIS. A strong residual trend of higher Hg values to the west remains when the data are normalized to grain size. Relationships between a tracer for sewage effluents (C. perfringens) and Hg concentrations indicate that between 0-50 % of the Hg is derived from sewage sources for most samples from the western and central basins. A higher percentage of sewage-derived Hg is found in samples from the westernmost section of LIS and in some local spots near urban centers. The remainder of the Hg is carried into the Sound with contaminated sediments from the watersheds and a small fraction enters the Sound as in situ atmospheric deposition. The Hg-depth profiles of several cores have well-defined contamination profiles that extend to pre-industrial background values. These data indicate that the Hg levels in the Sound have increased by a factor of 5-6 over the last few centuries, but Hg levels in LIS sediments have declined in modern times by up to 30 %. The concentrations of C. perfringens increased exponentially in the top core sections which had declining Hg concentrations, suggesting a recent decline in Hg fluxes that are unrelated to sewage effluents. The observed spatial and historical trends show Hg fluxes to LIS from sewage effluents, contaminated sediment input from the Connecticut River, point source inputs of strongly contaminated sediment from the Housatonic River, variations in the abundance of Hg carrier phases such as TOC and Fe, and focusing of sediment-bound Hg in association with westward sediment transport within the Sound.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Journal of Coastal Research","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Coastal Education and Research Foundation","usgsCitation":"Varekamp, J., Buchholtz ten Brink, M.R., Mecray, E., and Kreulen, B., 2000, Mercury in Long Island Sound sediments: Journal of Coastal Research, v. 16, no. 3, p. 613-626.","productDescription":"14 p.","startPage":"613","endPage":"626","costCenters":[{"id":186,"text":"Coastal and Marine Geology Program","active":true,"usgs":true}],"links":[{"id":294220,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":294219,"type":{"id":15,"text":"Index Page"},"url":"https://www.jstor.org/stable/4300074"}],"country":"United States","state":"Connecticut;New York","otherGeospatial":"Long Island Sound","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -73.827,40.7578 ], [ -73.827,41.3293 ], [ -72.0244,41.3293 ], [ -72.0244,40.7578 ], [ -73.827,40.7578 ] ] ] } } ] }","volume":"16","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"541d459ee4b0f68901ec30c1","contributors":{"authors":[{"text":"Varekamp, J.C.","contributorId":56006,"corporation":false,"usgs":true,"family":"Varekamp","given":"J.C.","email":"","affiliations":[],"preferred":false,"id":501915,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Buchholtz ten Brink, Marilyn R.","contributorId":88021,"corporation":false,"usgs":true,"family":"Buchholtz ten Brink","given":"Marilyn","email":"","middleInitial":"R.","affiliations":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":false,"id":501917,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Mecray, E.I.","contributorId":81814,"corporation":false,"usgs":true,"family":"Mecray","given":"E.I.","email":"","affiliations":[],"preferred":false,"id":501916,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Kreulen, B.","contributorId":48741,"corporation":false,"usgs":true,"family":"Kreulen","given":"B.","email":"","affiliations":[],"preferred":false,"id":501914,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70125358,"text":"70125358 - 2000 - A review of the geologic framework of the Long Island Sound Basin, with some observations relating to postglacial sedimentation","interactions":[],"lastModifiedDate":"2018-03-05T16:40:01","indexId":"70125358","displayToPublicDate":"2000-09-16T13:09:00","publicationYear":"2000","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2220,"text":"Journal of Coastal Research","active":true,"publicationSubtype":{"id":10}},"title":"A review of the geologic framework of the Long Island Sound Basin, with some observations relating to postglacial sedimentation","docAbstract":"Most of the papers in this thematic section present regional perspectives that build on more than 100 years of geologic investigation in Long Island Sound. When viewed collectively, a common theme emerges in these works. The major geologic components of the Long Island Sound basin (bedrock, buried coastal-plain strata, recessional moraines, glacial-lake deposits, and the remains of a large marine delta) interact with the water body to affect the way the modern sedimentary system functions.
Previous work, along with our present knowledge of the geologic framework of the Long Island Sound basin, is comprehensively reviewed with this theme in mind. Aspects of the crystalline bedrock, and the deltaic deposits associated with glacial Lake Connecticut, are examined with respect to their influence on sedimentation along the Connecticut coast and in the northern and western Sound. We also discuss the influence of the glacial drift that mantles the coastal-plain remnant along the north shore of Long Island and in the southern Sound.
A total of approximately 22.7 billion m3 of marine sediment has accumulated in the Long Island Sound basin. A significant portion (44%) of the fine-grained marine section in the central and western basins was redistributed there from the eastern Sound, as tidal scour removed slightly over 5 billion m3 (5.3 X 1012 kg) of fine material from glacial lake and early-marine deposits east of the Connecticut River. The remainder of the estimated 1.2 X 1013 kg of fine-grained marine sediment that now resides in the central and western Sound can be accounted for by riverine input over the past 13.5 ka.
","language":"English","publisher":"Coastal Education and Research Foundation","usgsCitation":"Lewis, R., and DiGiacomo-Cohen, M.L., 2000, A review of the geologic framework of the Long Island Sound Basin, with some observations relating to postglacial sedimentation: Journal of Coastal Research, v. 16, no. 3, p. 522-532.","productDescription":"11 p.","startPage":"522","endPage":"532","costCenters":[{"id":186,"text":"Coastal and Marine Geology Program","active":true,"usgs":true},{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"links":[{"id":293966,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":293965,"type":{"id":15,"text":"Index Page"},"url":"https://journals.fcla.edu/jcr/article/view/80857"}],"country":"United States","state":"Connecticut, New York","otherGeospatial":"Long Island Sound","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -73.826969,40.757828 ], [ -73.826969,41.329272 ], [ -72.024425,41.329272 ], [ -72.024425,40.757828 ], [ -73.826969,40.757828 ] ] ] } } ] }","volume":"16","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"54195120e4b091c7ffc8e57b","contributors":{"authors":[{"text":"Lewis, Ralph S.","contributorId":9288,"corporation":false,"usgs":true,"family":"Lewis","given":"Ralph S.","affiliations":[],"preferred":false,"id":501328,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"DiGiacomo-Cohen, Mary L. 0000-0003-2384-8912 mdicohen@usgs.gov","orcid":"https://orcid.org/0000-0003-2384-8912","contributorId":2527,"corporation":false,"usgs":true,"family":"DiGiacomo-Cohen","given":"Mary","email":"mdicohen@usgs.gov","middleInitial":"L.","affiliations":[{"id":40020,"text":"Florence Bascom Geoscience Center","active":true,"usgs":true}],"preferred":true,"id":501327,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70125344,"text":"70125344 - 2000 - Protection of fish spawning habitat for the conservation of warm-temperature reef-fish fisheries of shelf-edge reefs of Florida","interactions":[],"lastModifiedDate":"2018-01-30T18:53:14","indexId":"70125344","displayToPublicDate":"2000-09-16T12:38:00","publicationYear":"2000","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1106,"text":"Bulletin of Marine Science","active":true,"publicationSubtype":{"id":10}},"title":"Protection of fish spawning habitat for the conservation of warm-temperature reef-fish fisheries of shelf-edge reefs of Florida","docAbstract":"We mapped and briefly describe the surficial geology of selected examples of shelf-edge reefs (50–120 m deep) of the southeastern United States, which are apparently derived from ancient Pleistocene shorelines and are intermittently distributed throughout the region. These reefs are ecologically significant because they support a diverse array of fish and invertebrate species, and they are the only aggregation spawning sites of gag (Mycteroperca microlepis), scamp (M. phenax), and other economically important reef fish. Our studies on the east Florida shelf in the Experimental Oculina Research Reserve show that extensive damage to the habitat-structuring coral Oculina varicosa has occurred in the past, apparently from trawling and dredging activities of the 1970s and later. On damaged or destroyed Oculina habitat, reef-fish abundance and diversity are low, whereas on intact habitat, reef-fish diversity is relatively high compared to historical diversity on the same site. The abundance and biomass of the economically important reef fish was much higher in the past than it is now, and spawning aggregations of gag and scamp have been lost or greatly reduced in size. On the west Florida shelf, fishers have concentrated on shelf-edge habitats for over 100 yrs, but fishing intensity increased dramatically in the 1980s. Those reefs are characterized by low abundance of economically important species. The degree and extent of habitat damage there is unknown. We recommend marine fishery reserves to protect habitat and for use in experimentally examining the potential production of unfished communities.","language":"English","publisher":"University of Miami","usgsCitation":"Koenig, C., Coleman, F., Grimes, C.B., Fitzhugh, G.R., Scanlon, K.M., Gledhill, C.T., and Grace, M., 2000, Protection of fish spawning habitat for the conservation of warm-temperature reef-fish fisheries of shelf-edge reefs of Florida: Bulletin of Marine Science, v. 66, no. 3, p. 593-616.","productDescription":"24 p.","startPage":"593","endPage":"616","costCenters":[{"id":186,"text":"Coastal and Marine Geology Program","active":true,"usgs":true}],"links":[{"id":293952,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":293951,"type":{"id":15,"text":"Index Page"},"url":"https://www.ingentaconnect.com/content/umrsmas/bullmar/2000/00000066/00000003/art00008#expand/collapse"}],"country":"United 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R.","contributorId":70307,"corporation":false,"usgs":true,"family":"Fitzhugh","given":"Gary","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":501296,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Scanlon, Kathryn M.","contributorId":6816,"corporation":false,"usgs":true,"family":"Scanlon","given":"Kathryn","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":501294,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Gledhill, Christopher T.","contributorId":61355,"corporation":false,"usgs":true,"family":"Gledhill","given":"Christopher","email":"","middleInitial":"T.","affiliations":[],"preferred":false,"id":501295,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Grace, Mark","contributorId":18286,"corporation":false,"usgs":true,"family":"Grace","given":"Mark","email":"","affiliations":[],"preferred":false,"id":501292,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}} ,{"id":70125330,"text":"70125330 - 2000 - Sea-floor environments within Long Island Sound: A regional overview","interactions":[],"lastModifiedDate":"2017-09-19T11:10:22","indexId":"70125330","displayToPublicDate":"2000-09-16T11:44:00","publicationYear":"2000","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2220,"text":"Journal of Coastal Research","active":true,"publicationSubtype":{"id":10}},"title":"Sea-floor environments within Long Island Sound: A regional overview","docAbstract":"Modern sea-floor sedimentary environments within the glaciated, topographically complex Long Island Sound estuary have been interpreted and mapped from an extensive collection of sidescan sonographs, bottom samples, and video-camera observations together with supplemental bathymetric, marine-geologic, and bottom-current data. Four categories of environments are present that reflect the dominant long-term processes of erosion or nondeposition; coarsegrained bedload transport; sediment sorting and reworking; and fine-grained deposition. (1) Environments of erosion or nondeposition contain exposures of glacial drift, coarse lag deposits, and possibly bedrock and include sediments which range from boulder fields to gravelly coarse-to-medium sands. (2) Environments of coarse-grained bedload transport are mantled by sand ribbons and sand waves and contain mostly coarse-to-fine sands with only small amounts of mud. (3) Environments of sediment sorting and reworking comprise both uniform and heterogeneous sediment types and contain variable amounts of fine sand and mud. (4) Environments of fine-grained deposition are blanketed by muds and sandy muds.
\nThe patchy distribution of sedimentary environments within Long Island Sound reflects both regional and local changes in bottom processes. Regional changes are primarily the result of a strong, east-to-west decreasing gradient of bottom tidal-current speeds, coupled with the net (westward) estuarine bottom drift. The regional current regime has produced a westward succession of environments along the basin floor beginning with erosion or nondeposition at the narrow eastern entrance to the Sound, changing to an extensive area of coarse-grained bedload transport, passing into a contiguous band of sediment sorting, and ending with broad areas of fine-grained deposition in the central and western Sound. However, local changes in processes are superimposed on the regional conditions within the central and western parts of the basin and along the nearshore margins. Within the central and western basin, localized sedimentary environments are produced where the bottom flow is enhanced by, and interacts with, the bottom topography, whereas along the nearshore margins, they variously reflect wave-produced currents, the irregular bathymetry, the indented shoreline, and the proximal supply of sediments.
\nResults from this study (1) confirm the high trapping efficiency of fine-grained sediments in the Sound, (2) suggest that fine-grained sediments accumulate at an average (regional) rate of 0.08 g/cm2/y , and (3) indicate that the postglacial delta in the eastern Sound was a significant source of fine-grained sediments now buried beneath depositional areas.
","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Journal of Coastal Research","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Coastal Education and Research Foundation","usgsCitation":"Knebel, H.J., and Poppe, L., 2000, Sea-floor environments within Long Island Sound: A regional overview: Journal of Coastal Research, v. 16, no. 3, p. 533-550.","productDescription":"18 p.","startPage":"533","endPage":"550","costCenters":[{"id":186,"text":"Coastal and Marine Geology Program","active":true,"usgs":true},{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"links":[{"id":293943,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":293942,"type":{"id":15,"text":"Index Page"},"url":"https://www.jstor.org/stable/view/4300069"}],"country":"United States","state":"Connecticut, New York","otherGeospatial":"Long Island Sound","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -73.827,40.7578 ], [ -73.827,41.3293 ], [ -72.0244,41.3293 ], [ -72.0244,40.7578 ], [ -73.827,40.7578 ] ] ] } } ] }","volume":"16","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"54195153e4b091c7ffc8e832","contributors":{"authors":[{"text":"Knebel, Harley J.","contributorId":25930,"corporation":false,"usgs":true,"family":"Knebel","given":"Harley","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":501291,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Poppe, Lawrence J. lpoppe@usgs.gov","contributorId":2149,"corporation":false,"usgs":true,"family":"Poppe","given":"Lawrence J.","email":"lpoppe@usgs.gov","affiliations":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":false,"id":501290,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70124921,"text":"70124921 - 2000 - Modern pollen deposition in Long Island Sound","interactions":[],"lastModifiedDate":"2017-11-18T12:30:05","indexId":"70124921","displayToPublicDate":"2000-09-12T10:16:00","publicationYear":"2000","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2220,"text":"Journal of Coastal Research","active":true,"publicationSubtype":{"id":10}},"title":"Modern pollen deposition in Long Island Sound","docAbstract":"Palynological analyses of 20 surface sediment samples collected from Long Island Sound show a pollen assemblage dominated by Carya, Betula, Pinus, Quercus, Tsuga, and Ambrosia, as is consistent with the regional vegetation. No trends in relative abundance of these pollen types occur either from west to east or associated with modern riverine inputs throughout the basin. Despite the large-scale, long-term removal of fine-grained sediment from winnowed portions of the eastern Sound, the composition of the pollen and spore component of the sedimentary matrix conforms to a basin-wide homogeneous signal. These results strongly support the use of select regional palynological boundaries as chronostratigraphic tools to provide a framework for interpretation of the late glacial and Holocene history of the Long Island Sound basin sediments.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Journal of Coastal Research","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Coastal Education and Research Foundation","usgsCitation":"Beuning, K.R., Fransen, L., Nakityo, B., Mecray, E.L., and Buchholtz ten Brink, M.R., 2000, Modern pollen deposition in Long Island Sound: Journal of Coastal Research, v. 16, no. 3, p. 656-662.","productDescription":"7 p.","startPage":"656","endPage":"662","costCenters":[{"id":186,"text":"Coastal and Marine Geology Program","active":true,"usgs":true},{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"links":[{"id":293807,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":293806,"type":{"id":15,"text":"Index Page"},"url":"https://journals.fcla.edu/jcr/article/view/80870"}],"country":"United States","state":"Connecticut, New York","otherGeospatial":"Long Island Sound","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -73.827,40.7578 ], [ -73.827,41.3293 ], [ -72.0244,41.3293 ], [ -72.0244,40.7578 ], [ -73.827,40.7578 ] ] ] } } ] }","volume":"16","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"54140b22e4b082fed288b929","contributors":{"authors":[{"text":"Beuning, Kristina R.M.","contributorId":70306,"corporation":false,"usgs":true,"family":"Beuning","given":"Kristina","email":"","middleInitial":"R.M.","affiliations":[],"preferred":false,"id":500956,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Fransen, Lindsey","contributorId":23081,"corporation":false,"usgs":true,"family":"Fransen","given":"Lindsey","email":"","affiliations":[],"preferred":false,"id":500953,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Nakityo, Berna","contributorId":89812,"corporation":false,"usgs":true,"family":"Nakityo","given":"Berna","email":"","affiliations":[],"preferred":false,"id":500957,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Mecray, Ellen L.","contributorId":50887,"corporation":false,"usgs":true,"family":"Mecray","given":"Ellen","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":500954,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Buchholtz ten Brink, Marilyn R.","contributorId":88021,"corporation":false,"usgs":true,"family":"Buchholtz ten Brink","given":"Marilyn","email":"","middleInitial":"R.","affiliations":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":false,"id":500955,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":67519,"text":"i2607 - 2000 - Geologic map of the Fredericksburg 30' x 60' quadrangle, Virginia and Maryland","interactions":[],"lastModifiedDate":"2020-03-27T06:51:41","indexId":"i2607","displayToPublicDate":"2000-09-01T00:00:00","publicationYear":"2000","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":320,"text":"IMAP","code":"I","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"2607","subseriesTitle":"GIS","title":"Geologic map of the Fredericksburg 30' x 60' quadrangle, Virginia and Maryland","docAbstract":"No abstract available.
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/i2607","isbn":"0607951974","usgsCitation":"Mixon, R.B., Pavlides, L., Powars, D.S., Froelich, A., Weems, R.E., Schindler, J.S., Newell, W.L., Edwards, L.E., and Ward, L.W., 2000, Geologic map of the Fredericksburg 30' x 60' quadrangle, Virginia and Maryland: U.S. Geological Survey IMAP 2607, Report: 40 p.; 2 Plates: 58.00 x 41.00 inches and 56.00 x 41.00 inches; Database, https://doi.org/10.3133/i2607.","productDescription":"Report: 40 p.; 2 Plates: 58.00 x 41.00 inches and 56.00 x 41.00 inches; Database","costCenters":[{"id":243,"text":"Eastern Geology and Paleoclimate Science Center","active":true,"usgs":true},{"id":40020,"text":"Florence Bascom Geoscience Center","active":true,"usgs":true}],"links":[{"id":91690,"rank":400,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/imap/2607/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":91692,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/imap/2607/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":110111,"rank":700,"type":{"id":15,"text":"Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_32196.htm","linkFileType":{"id":5,"text":"html"},"description":"32196"},{"id":186446,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/imap/2607/report-thumb.jpg"},{"id":91691,"rank":401,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/imap/2607/plate-2.pdf","linkFileType":{"id":1,"text":"pdf"}}],"scale":"100000","country":"United States","state":"Virginia, Maryland","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -78,38 ], [ -78,38.5 ], [ -77,38.5 ], [ -77,38 ], [ -78,38 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b02e4b07f02db698c94","contributors":{"authors":[{"text":"Mixon, R. B.","contributorId":11235,"corporation":false,"usgs":true,"family":"Mixon","given":"R.","email":"","middleInitial":"B.","affiliations":[],"preferred":false,"id":276522,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Pavlides, Louis","contributorId":79444,"corporation":false,"usgs":true,"family":"Pavlides","given":"Louis","email":"","affiliations":[{"id":595,"text":"U.S. Geological Survey","active":false,"usgs":true}],"preferred":false,"id":276526,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Powars, David S. 0000-0002-6787-8964 dspowars@usgs.gov","orcid":"https://orcid.org/0000-0002-6787-8964","contributorId":1181,"corporation":false,"usgs":true,"family":"Powars","given":"David","email":"dspowars@usgs.gov","middleInitial":"S.","affiliations":[{"id":40020,"text":"Florence Bascom Geoscience Center","active":true,"usgs":true},{"id":243,"text":"Eastern Geology and Paleoclimate Science Center","active":true,"usgs":true}],"preferred":true,"id":276521,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Froelich, A.J.","contributorId":13593,"corporation":false,"usgs":true,"family":"Froelich","given":"A.J.","email":"","affiliations":[],"preferred":false,"id":276523,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Weems, Robert E. 0000-0002-1907-7804 rweems@usgs.gov","orcid":"https://orcid.org/0000-0002-1907-7804","contributorId":2663,"corporation":false,"usgs":true,"family":"Weems","given":"Robert","email":"rweems@usgs.gov","middleInitial":"E.","affiliations":[{"id":40020,"text":"Florence Bascom Geoscience Center","active":true,"usgs":true},{"id":243,"text":"Eastern Geology and Paleoclimate Science Center","active":true,"usgs":true}],"preferred":true,"id":276524,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Schindler, J. Stephen 0000-0001-9550-5957 sschindl@usgs.gov","orcid":"https://orcid.org/0000-0001-9550-5957","contributorId":3270,"corporation":false,"usgs":true,"family":"Schindler","given":"J.","email":"sschindl@usgs.gov","middleInitial":"Stephen","affiliations":[{"id":243,"text":"Eastern Geology and Paleoclimate Science Center","active":true,"usgs":true}],"preferred":true,"id":276528,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Newell, Wayne L. wnewell@usgs.gov","contributorId":2512,"corporation":false,"usgs":true,"family":"Newell","given":"Wayne","email":"wnewell@usgs.gov","middleInitial":"L.","affiliations":[],"preferred":false,"id":276527,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Edwards, Lucy E. 0000-0003-4075-3317 leedward@usgs.gov","orcid":"https://orcid.org/0000-0003-4075-3317","contributorId":2647,"corporation":false,"usgs":true,"family":"Edwards","given":"Lucy","email":"leedward@usgs.gov","middleInitial":"E.","affiliations":[{"id":40020,"text":"Florence Bascom Geoscience Center","active":true,"usgs":true},{"id":243,"text":"Eastern Geology and Paleoclimate Science Center","active":true,"usgs":true}],"preferred":true,"id":276520,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Ward, L. W.","contributorId":58704,"corporation":false,"usgs":true,"family":"Ward","given":"L.","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":276525,"contributorType":{"id":1,"text":"Authors"},"rank":9}]}} ,{"id":70228813,"text":"70228813 - 2000 - Sedimentary record of the California Current system, middle Miocene to Holocene: A synthesis of Leg 167 results","interactions":[],"lastModifiedDate":"2022-02-22T16:26:30.612609","indexId":"70228813","displayToPublicDate":"2000-07-31T10:06:16","publicationYear":"2000","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":3,"text":"Organization Series"},"seriesTitle":{"id":5640,"text":"Proceedings of the Ocean Drilling Program: Scientific Results","onlineIssn":"1096-7451","printIssn":"0884-5891","active":true,"publicationSubtype":{"id":3}},"seriesNumber":"167","chapter":"32","title":"Sedimentary record of the California Current system, middle Miocene to Holocene: A synthesis of Leg 167 results","docAbstract":"During Ocean Drilling Program Leg 167, the California continental margin was drilled from about 30°N to 42°N to sample high-resolution paleoceanographic and paleoclimatic records in the California Current system. Because of typically high sedimentation rates along the margin (80 to >200 m/m.y.), drilling has proved necessary to collect late Pleistocene sedimentary records that usually are sampled by standard piston cores in other oceanic regions. Triple piston coring on Leg 167 enabled us to construct continuous submillennial paleoceanographic records to about 2 Ma. In the offshore drill sites, continuous records were constructed into the Miocene. The oldest sediments recovered on Leg 167 have an age of ~14 Ma.
The California margin has an active diagenetic system driven by the degradation of organic matter. Leg 167 drilling provided a means to quantify the diagenetic processes within the deep sediment column and to study the links between sediment diagenesis and primary productivity.
This synthesis chapter also documents the oceanographic variability along the California margin at all time scales, from 103 to 106 yr. Millennial-scale variability is found in Santa Barbara Basin (drilled during Leg 146) and in nearby basins drilled during Leg 167. Leg 167 cores also captured millennial-scale variability in the northern and central California margin. Orbitally forced insolation changes invoke a strong response throughout the California margin. Sea-surface temperature (SST) measured by the alkenone Uk'37 paleothermometer is highly coherent with the oxygen isotope record, being cold in glacials and much warmer in interglacials. Faunal and floral plankton assemblages vary strongly on the glacial-interglacial scale. Coastal plant communities show a glacial-interglacial variability that is most pronounced in the north, near the Cordilleran Ice Sheet.
Major changes in the sediments prior to the Pleistocene mark major late Neogene oceanographic events. Opaline silica burial in the middle and upper Miocene sections have step-like drops from high opal deposition in the middle Miocene. One major drop occurs at ~11 Ma and is roughly correlative with the eastern equatorial Pacific Miocene carbonate crash. A second major drop occurs at about 8 Ma, equivalent in age to the end of the Monterey Formation. A third drop occurs slightly younger than the end of the Miocene.
A lower Pliocene interval, roughly from 5 to 4.2 Ma, is low in all biogenic components. It separates the Miocene high-opal sediments from upper Pliocene high-carbonate sediments. High CaCO3 deposition occurred all along the entire California margin in the late Pliocene, but CaCO3 burial dropped abruptly with the beginning of Northern Hemisphere glaciation (2.6 Ma).
","language":"English","publisher":"Ocean Drilling Program, Texas A&M University","doi":"10.2973/odp.proc.sr.167.238.2000","collaboration":"Prepared in cooperation with the National Science Foundation and Joint Oceanographic Institutions, Inc.","usgsCitation":"Lyle, M., Koizumi, I., Delaney, M.L., and Barron, J.A., 2000, Sedimentary record of the California Current system, middle Miocene to Holocene: A synthesis of Leg 167 results: Proceedings of the Ocean Drilling Program: Scientific Results 167, 36 p., https://doi.org/10.2973/odp.proc.sr.167.238.2000.","productDescription":"36 p.","startPage":"341","endPage":"376","costCenters":[],"links":[{"id":396249,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Mexico, United States","state":"Baja California, California","otherGeospatial":"Pacific Ocean","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -123.96972656249999,\n 41.96765920367816\n ],\n [\n -130.60546875,\n 41.983994270935625\n ],\n [\n -130.60546875,\n 38.47939467327645\n ],\n [\n -119.37744140625,\n 29.286398892934763\n ],\n [\n -115.4443359375,\n 29.7453016622136\n ],\n [\n -116.19140625,\n 31.22219703210317\n ],\n [\n -117.18017578125,\n 33.32134852669881\n ],\n [\n -118.69628906249999,\n 34.30714385628804\n ],\n [\n -120.30029296875,\n 34.75966612466248\n ],\n [\n -121.1572265625,\n 35.94243575255426\n ],\n [\n -122.431640625,\n 38.11727165830543\n ],\n [\n -123.96972656249999,\n 40.36328834091583\n ],\n [\n -123.96972656249999,\n 41.96765920367816\n ]\n ]\n ]\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Lyle, Mitchell","contributorId":99035,"corporation":false,"usgs":true,"family":"Lyle","given":"Mitchell","email":"","affiliations":[],"preferred":false,"id":835618,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Koizumi, Itaru","contributorId":279870,"corporation":false,"usgs":false,"family":"Koizumi","given":"Itaru","email":"","affiliations":[{"id":16855,"text":"Hokkaido University","active":true,"usgs":false}],"preferred":false,"id":835619,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Delaney, Margaret L.","contributorId":13101,"corporation":false,"usgs":true,"family":"Delaney","given":"Margaret","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":835620,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Barron, John A. 0000-0002-9309-1145 jbarron@usgs.gov","orcid":"https://orcid.org/0000-0002-9309-1145","contributorId":2222,"corporation":false,"usgs":true,"family":"Barron","given":"John","email":"jbarron@usgs.gov","middleInitial":"A.","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"preferred":true,"id":835621,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70188659,"text":"70188659 - 2000 - PCBs, liver lesions, and biomarker responses in adult walleye (Stizostedium vitreum vitreum) collected from Green Bay, Wisconsin","interactions":[],"lastModifiedDate":"2017-06-20T15:35:37","indexId":"70188659","displayToPublicDate":"2000-07-13T00:00:00","publicationYear":"2000","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2330,"text":"Journal of Great Lakes Research","active":true,"publicationSubtype":{"id":10}},"displayTitle":"PCBs, liver lesions, and biomarker responses in adult walleye (Stizostedium vitreum vitreum) collected from Green Bay, Wisconsin","title":"PCBs, liver lesions, and biomarker responses in adult walleye (Stizostedium vitreum vitreum) collected from Green Bay, Wisconsin","docAbstract":"Adult walleye were collected from several locations in the Lower Fox River and Green Bay, Wisconsin (the assessment area) and two relatively uncontaminated reference locations (Lake Winnebago and Patten Lake, Wisconsin) between July and October in 1996 and 1997. Whole body and liver samples collected in 1996 were analyzed for total PCBs, PCB congeners, and liver histological lesions. Follow-up sampling in 1997 included examination of liver histopathology, PCBs in liver samples, measurement of ethoxyresorufin-O-deethylase (EROD) activity, immunological evaluation of kidney and blood samples, measurement of plasma vitellogenin, and examination of tissues for parasites as well as bacterial and viral infections. Mean PCB concentrations in whole body and liver samples were elevated in assessment area walleye (4.6 to 8.6 and 3.6 to 6.4 mg/kg wet weight, respectively) compared to PCB concentrations in reference areas (0.04 mg/kg in walleye fillets from Lake Winnebago). A significant (p < 0.01) elevation was observed in the prevalence (26%) of hepatic preneoplastic foci of cellular alteration (FCA) and neoplasms in 5 to 8 year old walleye collected from the assessment area, compared to reference area fish (6% prevalence). Walleye from the assessment area also contained multiple FCA and hepatic tumors per liver sample, whereas no tumors and a reduced prevalence of FCA were observed in reference area walleye. Both tumors and FCA were more prevalent in female fish than in male fish within the 5 to 8 year age classes. There were no remarkable effects on immunological parameters in assessment area walleye, although hematocrit was elevated and blood monocyte counts were 40% lower than those of reference area fish. The data did not show any clear distinctions in the prevalence of disease between reference and assessment area walleye. EROD activity was similar in assessment area and reference area walleye. Plasma vitellogenin was elevated in female walleye from eastern Green Bay, but was not detected in male fish from this location. The results of this investigation demonstrate significant elevation in hepatic preneoplastic lesions and hepatocellular adenomas and carcinomas in assessment area walleye exposed to elevated concentrations of PCBs. These histopathological lesions are consistent with long-term exposure to tumor promoters such as PCBs, although quantitative association between tumors and PCBs was not observed at the level of the individual fish. Additional research would be needed to elucidate the causal mechanisms underlying tumorigenesis.
","language":"English","publisher":"International Association for Great Lakes Research","doi":"10.1016/S0380-1330(00)70691-5","usgsCitation":"Barron, M.G., Anderson, M.J., Cacela, D., Lipton, J., Teh, S.J., Hinton, D.E., Zelikoff, J.T., Dikkeboom, A.L., Tillitt, D.E., Holey, M., and Denslow, N., 2000, PCBs, liver lesions, and biomarker responses in adult walleye (Stizostedium vitreum vitreum) collected from Green Bay, Wisconsin: Journal of Great Lakes Research, v. 26, no. 3, p. 250-271, https://doi.org/10.1016/S0380-1330(00)70691-5.","productDescription":"22 p.","startPage":"250","endPage":"271","costCenters":[{"id":192,"text":"Columbia Environmental Research Center","active":true,"usgs":true}],"links":[{"id":342676,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Wisconsin","otherGeospatial":"Green Bay","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -89.7857666015625,\n 43.65594991256823\n ],\n [\n -85.9185791015625,\n 43.65594991256823\n ],\n [\n -85.9185791015625,\n 46.137976523476574\n ],\n [\n -89.7857666015625,\n 46.137976523476574\n ],\n [\n -89.7857666015625,\n 43.65594991256823\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"26","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"594a3429e4b062508e36af5f","contributors":{"authors":[{"text":"Barron, Mace G.","contributorId":150751,"corporation":false,"usgs":false,"family":"Barron","given":"Mace","email":"","middleInitial":"G.","affiliations":[{"id":18090,"text":"U.S. Environmental Protection Agency, Gulf Ecology Division, Gulf Breeze, FL","active":true,"usgs":false}],"preferred":false,"id":698801,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Anderson, Michael J.","contributorId":174947,"corporation":false,"usgs":false,"family":"Anderson","given":"Michael","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":698802,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Cacela, Dave","contributorId":193135,"corporation":false,"usgs":false,"family":"Cacela","given":"Dave","email":"","affiliations":[{"id":36281,"text":"Abt Associates, Boulder, CO","active":true,"usgs":false}],"preferred":false,"id":698803,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Lipton, Joshua","contributorId":172780,"corporation":false,"usgs":false,"family":"Lipton","given":"Joshua","email":"","affiliations":[],"preferred":false,"id":698804,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Teh, Swee J.","contributorId":104392,"corporation":false,"usgs":true,"family":"Teh","given":"Swee","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":698805,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Hinton, David E.","contributorId":193136,"corporation":false,"usgs":false,"family":"Hinton","given":"David","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":698806,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Zelikoff, Judith T.","contributorId":193137,"corporation":false,"usgs":false,"family":"Zelikoff","given":"Judith","email":"","middleInitial":"T.","affiliations":[],"preferred":false,"id":698807,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Dikkeboom, Audrey L.","contributorId":193138,"corporation":false,"usgs":false,"family":"Dikkeboom","given":"Audrey","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":698808,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Tillitt, Donald E. 0000-0002-8278-3955 dtillitt@usgs.gov","orcid":"https://orcid.org/0000-0002-8278-3955","contributorId":1875,"corporation":false,"usgs":true,"family":"Tillitt","given":"Donald","email":"dtillitt@usgs.gov","middleInitial":"E.","affiliations":[{"id":192,"text":"Columbia Environmental Research Center","active":true,"usgs":true}],"preferred":true,"id":698809,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Holey, Mark","contributorId":11151,"corporation":false,"usgs":true,"family":"Holey","given":"Mark","affiliations":[],"preferred":false,"id":698810,"contributorType":{"id":1,"text":"Authors"},"rank":10},{"text":"Denslow, Nancy","contributorId":26268,"corporation":false,"usgs":true,"family":"Denslow","given":"Nancy","affiliations":[],"preferred":false,"id":698811,"contributorType":{"id":1,"text":"Authors"},"rank":11}]}} ,{"id":22800,"text":"ofr00260 - 2000 - Data for Quaternary faults, liquefaction features, and possible tectonic features in the Central and Eastern United States, east of the Rocky Mountain Front","interactions":[],"lastModifiedDate":"2012-02-02T00:08:05","indexId":"ofr00260","displayToPublicDate":"2000-07-01T00:00:00","publicationYear":"2000","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2000-260","title":"Data for Quaternary faults, liquefaction features, and possible tectonic features in the Central and Eastern United States, east of the Rocky Mountain Front","docAbstract":"The USGS is currently leading an effort to compile published geological information on\r\nQuaternary faults, folds, and earthquake-induced liquefaction in order to develop an internally\r\nconsistent database on the locations, ages, and activity rates of major earthquake-related features\r\nthroughout the United States. This report is the compilation for such features in the\r\nCentral and Eastern United States (CEUS), which for the purposes of the compilation, is\r\ndefined as the region extending from the Rocky Mountain Front eastward to the Atlantic\r\nseaboard. A key objective of this national compilation is to provide a comprehensive database\r\nof Quaternary features that might generate strong ground motion and therefore, should be considered\r\nin assessing the seismic hazard throughout the country. In addition to printed versions\r\nof regional and individual state compilations, the database will be available on the World-Wide\r\nWeb, where it will be readily available to everyone. The primary purpose of these compilations\r\nand the derivative database is to provide a comprehensive, uniform source of geological information\r\nthat can by used to complement the other types of data that are used in seismic-hazard\r\nassessments.\r\nWithin our CEUS study area, which encompasses more than 60 percent of the continuous U.S.,\r\nwe summarize the geological information on 69 features that are categorized into four classes\r\n(Class A, B, C, and D) based on what is known about the feature's Quaternary activity. The\r\nCEUS contains only 13 features of tectonic origin for which there is convincing evidence of\r\nQuaternary activity (Class A features). Of the remaining 56 features, 11 require further study in\r\norder to confidently define their potential as possible sources of earthquake-induced ground\r\nmotion (Class B), whereas the remaining features either lack convincing geologic evidence of\r\nQuaternary tectonic faulting or have been studied carefully enough to determine that they do not\r\npose a significant seismic hazard (Classes C and D).\r\nThe correlation between historical seismicity and Quaternary faults and liquefaction features\r\nin the CEUS is generally poor, which probably reflects the long return times between successive\r\nmovements on individual structures. Some Quaternary faults and liquefaction features\r\nare located in aseismic areas or where historical seismicity is sparse. These relations indicate\r\nthat the record of historical seismicity does not identify all potential seismic sources in the\r\nCEUS. Furthermore, geological studies of some currently aseismic faults have shown that the\r\nfaults have generated strong earthquakes in the geologically recent past. Thus, the combination\r\nof geological information and seismological data can provide better insight into potential\r\nearthquake sources and thereby, contribute to better, more comprehensive seismic-hazard\r\nassessments.","language":"ENGLISH","publisher":"U.S. Dept. of the Interior, U.S. Geological Survey,","doi":"10.3133/ofr00260","issn":"0094-9140","usgsCitation":"Crone, A.J., and Wheeler, R.L., 2000, Data for Quaternary faults, liquefaction features, and possible tectonic features in the Central and Eastern United States, east of the Rocky Mountain Front: U.S. Geological Survey Open-File Report 2000-260, 342 p., https://doi.org/10.3133/ofr00260.","productDescription":"342 p.","costCenters":[],"links":[{"id":155689,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":1541,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2000/ofr-00-0260/","linkFileType":{"id":5,"text":"html"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ac9e4b07f02db67c98f","contributors":{"authors":[{"text":"Crone, Anthony J. 0000-0002-3006-406X crone@usgs.gov","orcid":"https://orcid.org/0000-0002-3006-406X","contributorId":790,"corporation":false,"usgs":true,"family":"Crone","given":"Anthony","email":"crone@usgs.gov","middleInitial":"J.","affiliations":[{"id":300,"text":"Geologic Hazards Science Center","active":true,"usgs":true}],"preferred":true,"id":188895,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Wheeler, Russell L. wheeler@usgs.gov","contributorId":858,"corporation":false,"usgs":true,"family":"Wheeler","given":"Russell","email":"wheeler@usgs.gov","middleInitial":"L.","affiliations":[],"preferred":false,"id":188896,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":59599,"text":"mf2342 - 2000 - Geologic Map and Map Database of the Oakland Metropolitan Area, Alameda, Contra Costa, and San Francisco Counties, California","interactions":[],"lastModifiedDate":"2012-02-10T00:10:27","indexId":"mf2342","displayToPublicDate":"2000-07-01T00:00:00","publicationYear":"2000","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":325,"text":"Miscellaneous Field Studies Map","code":"MF","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"2342","title":"Geologic Map and Map Database of the Oakland Metropolitan Area, Alameda, Contra Costa, and San Francisco Counties, California","docAbstract":"Introduction\r\n\r\nThis report contains a new geologic map at 1:50,000 scale, derived from a set of geologic map databases containing information at a resolution associated with 1:24,000 scale, and a new description of geologic map units and structural relationships in the mapped area. The map database represents the integration of previously published reports and new geologic mapping and field checking by the author (see Sources of Data index map on the map sheet or the Arc-Info coverage pi-so and the textfile pi-so.txt). The descriptive text (below) contains new ideas about the Hayward fault and other faults in the East Bay fault system, as well as new ideas about the geologic units and their relations.\r\n\r\nThese new data are released in digital form in conjunction with the Federal Emergency Management Agency Project Impact in Oakland. The goal of Project Impact is to use geologic information in land-use and emergency services planning to reduce the losses occurring during earthquakes, landslides, and other hazardous geologic events. The USGS, California Division of Mines and Geology, FEMA, California Office of Emergency Services, and City of Oakland participated in the cooperative project.\r\n\r\nThe geologic data in this report were provided in pre-release form to other Project Impact scientists, and served as one of the basic data layers for the analysis of hazard related to earthquake shaking, liquifaction, earthquake induced landsliding, and rainfall induced landsliding.\r\n\r\nThe publication of these data provides an opportunity for regional planners, local, state, and federal agencies, teachers, consultants, and others outside Project Impact who are interested in geologic data to have the new data long before a traditional paper map could be published. Because the database contains information about both the bedrock and surficial deposits, it has practical applications in the study of groundwater and engineering of hillside materials, as well as the study of geologic hazards and the academic research on the geologic history and development of the region.","language":"ENGLISH","publisher":"Geological Survey (U.S.)","doi":"10.3133/mf2342","usgsCitation":"Graymer, R., 2000, Geologic Map and Map Database of the Oakland Metropolitan Area, Alameda, Contra Costa, and San Francisco Counties, California (Online Version 1.0): U.S. Geological Survey Miscellaneous Field Studies Map 2342, Packages; Individual Files (Pamphlet: 31 p., Map: 35 x 49 inches); Database Files, https://doi.org/10.3133/mf2342.","productDescription":"Packages; Individual Files (Pamphlet: 31 p., Map: 35 x 49 inches); Database Files","additionalOnlineFiles":"Y","costCenters":[{"id":647,"text":"Western Earth Surface Processes","active":false,"usgs":true}],"links":[{"id":110100,"rank":700,"type":{"id":15,"text":"Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_29220.htm","linkFileType":{"id":5,"text":"html"},"description":"29220"},{"id":183657,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":9533,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/mf/2000/2342/","linkFileType":{"id":5,"text":"html"}}],"scale":"50000","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -122.36749999999999,37.6175 ], [ -122.36749999999999,38 ], [ -122,38 ], [ -122,37.6175 ], [ -122.36749999999999,37.6175 ] ] ] } } ] }","edition":"Online Version 1.0","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b23e4b07f02db6ae223","contributors":{"authors":[{"text":"Graymer, R. W.","contributorId":21174,"corporation":false,"usgs":true,"family":"Graymer","given":"R. W.","affiliations":[],"preferred":false,"id":262293,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":64763,"text":"i2628 - 2000 - Geologic map of the Littlefield 30' x 60' quadrangle, Mohave County, northwestern Arizona","interactions":[],"lastModifiedDate":"2015-08-13T09:51:04","indexId":"i2628","displayToPublicDate":"2000-07-01T00:00:00","publicationYear":"2000","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":320,"text":"IMAP","code":"I","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"2628","subseriesTitle":"GIS","title":"Geologic map of the Littlefield 30' x 60' quadrangle, Mohave County, northwestern Arizona","docAbstract":"This map is one result of the U.S. Geological Survey's intent to provide geologic map coverage and a better understanding of the transition in regional geology between the Basin and Range and Colorado Plateaus in southeastern Nevada, southwestern Utah, and northwestern Arizona. Information gained from this regional study provides a better understanding of the tectonic and magmatic evolution of an area of extreme contrasts in late Mesozoic-early Tertiary compression, Cenozoic magmatism, and Cenozoic extension. This map is a synthesis of 32 new geologic maps encompassing the Littlefield 30' x 60' quadrangle, Arizona. Geologic information presented in this map and report may aid future land management decisions about land use, flood control, and environmental and range management programs for federal, state, and private agencies. The Littlefield 30' x 60' quadrangle encompasses approximately 3,100 km2 (1,937 mi2) of northwestern Arizona. The map area is bordered on the north by the Utah-Arizona state line and is approximately 5 km east of the Nevada- Arizona state line (see map). The quadrangle is bounded by long 113? to 114? and lat 36?30' to 37?. The east three-quarters of the map area is within the southwestern part of the Colorado Plateaus province (herein referred to as the Colorado Plateau), and the west quarter is within the Basin and Range province.
","language":"English","publisher":"Geological Survey (U.S.)","publisherLocation":"Reston, VA","doi":"10.3133/i2628","isbn":"0607916826","usgsCitation":"Billingsley, G.H., and Workman, J.B., 2000, Geologic map of the Littlefield 30' x 60' quadrangle, Mohave County, northwestern Arizona (Online Version 1.0): U.S. Geological Survey IMAP 2628, Map: 39 x 49 inches; Pamphlet: 25 p.; Data Files, https://doi.org/10.3133/i2628.","productDescription":"Map: 39 x 49 inches; Pamphlet: 25 p.; Data Files","onlineOnly":"N","additionalOnlineFiles":"Y","costCenters":[],"links":[{"id":91429,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/imap/2628/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":8218,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/imap/i2628/","linkFileType":{"id":5,"text":"html"}},{"id":8220,"rank":9999,"type":{"id":23,"text":"Spatial Data"},"url":"https://pubs.usgs.gov/imap/i2628/lfdb.zip"},{"id":8219,"rank":9999,"type":{"id":20,"text":"Read Me"},"url":"https://pubs.usgs.gov/imap/i2628/lfreadme.txt","linkFileType":{"id":2,"text":"txt"}},{"id":110104,"rank":700,"type":{"id":15,"text":"Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_30333.htm","linkFileType":{"id":5,"text":"html"},"description":"30333"},{"id":187092,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/imap/2628/report-thumb.jpg"}],"scale":"100000","projection":"Universal Transverse Mercator","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -114,36.5 ], [ -114,37 ], [ -113,37 ], [ -113,36.5 ], [ -114,36.5 ] ] ] } } ] }","edition":"Online Version 1.0","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b1ae4b07f02db6a84bd","contributors":{"authors":[{"text":"Billingsley, George H.","contributorId":20711,"corporation":false,"usgs":true,"family":"Billingsley","given":"George","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":272111,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Workman, Jeremiah B. 0000-0001-7816-6420 jworkman@usgs.gov","orcid":"https://orcid.org/0000-0001-7816-6420","contributorId":714,"corporation":false,"usgs":true,"family":"Workman","given":"Jeremiah","email":"jworkman@usgs.gov","middleInitial":"B.","affiliations":[{"id":318,"text":"Geosciences and Environmental Change Science Center","active":true,"usgs":true}],"preferred":true,"id":272110,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ]}