The Anderson Springs area is located about 90 miles (145 kilometers) north of San Francisco, California, in the southwestern part of Lake County. The area was first developed in the late 1800s as a health resort, which was active until the 1930s. Patrons drank a variety of cool to hot mineral waters from improved springs, swam in various baths and pools, and hiked in the rugged hills flanking Anderson Creek and its tributaries. In the bluffs to the south of the resort were four small mercury mines of the eastern Mayacmas quicksilver district. About 1,260 flasks of mercury were produced from these mines between 1909 and 1943. By the early 1970s, the higher ridges south and west of Anderson Springs became part of the southeast sector of the greater Geysers geothermal field. Today, several electric power plants are built on these ridges, producing energy from a vapor-dominated 240 °C reservoir. Only the main hot spring at Anderson Springs has maintained a recognizable identity since the 1930s. The hot spring is actually a cluster of seeps and springs that issue from a small fault in a ravine southwest of Anderson Creek. Published and unpublished records show that the maximum temperature (Tm) of this cluster fell gradually from 63°C in 1889 to 48°C in 1992. However, Tm of the cluster climbed to 77°C in 1995 and neared boiling (98°C) in 1998. A new cluster of boiling vents and small fumaroles (Tm = 99.3°C) formed in 1998 about 30 m north of the old spring cluster. Several evergreen trees on steep slopes immediately above these vents apparently were killed by the new activity.
\nThermal waters at Anderson Hot Springs are mostly composed of near-surface ground waters with some added gases and condensed steam from The Geysers geothermal system. Compared to gas samples from Southeast Geysers wells, the hot spring gases are higher in CO2 and lower in H2S and NH3. As the springs increased in temperature, however, the gas composition became more like the mean composition of steam discharges from the Southeast Geysers. The hot spring waters are low in ions of Cl, B, and Li, but relatively high in HCO3, SO4 and NH4. The stable-isotope compositions (deuterium and oxygen-18) of these waters plot near the global meteoric water line. Geochemical data through time reveal apparent maxima in the concentrations of SO4, Fe, and Mn in 1991 to 1992, before the cluster became hotter. The black-to-gray deposits from the new spring cluster are rich in pyrite and contain anomalous metals. About one-half mile to the east of the hot springs, mineralized water discharges intermittently from an old adit of the Schwartz (Anderson) mine, and enters a tributary of Anderson Creek. This drainage increased substantially in July 1998, and a slurry of mine water and precipitates were transported down the tributary and into Anderson Creek. In December 1998, the adit water was 22°C, and had a chemical composition that was similar to spring waters that once discharged in the ravines surrounding the old Anderson Springs resort.
\nThe cause for the abrupt changes that have occurred in thermal features at Anderson Springs is still not resolved. One possibility is that these changes are a response to withdrawal of steam from The Geysers geothermal field over more than 20 years of production. Pressure declines in the geothermal reservoir may have caused a \"drying out\" of the overlying condensation zone. Induced boiling in this zone and upflow of deep steam to shallower depths would cause heating and vaporization of shallow ground waters. In addition, earthquakes occurring in the vicinity of Anderson Springs have increased significantly after nearby geothermal power plants began operation. These earthquakes may have enhanced surface discharge of thermal fluids along fractures and faults.
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This report describes a study done by the USGS to determine streamflow statistics using the streamflow record at the Narraguagus River station for use in total water use management plans implemented by State and Federal agencies. Because the effect of changes in irrigation practices from 1993 to the present on streamflow in the Narraguagus basin is unknown and potentially significant, streamflow data after December 1992 were not used in the determination of the streamflow statistics. For the period 1948- 92, monthly median streamflows range from 93.0 ft3/s (August) to 1,000 ft3/s (April). The median streamflow for the selected period of record for all days (1948-92) is 302 ft3/s.","language":"ENGLISH","publisher":"Geological Survey (U.S.)","doi":"10.3133/ofr200095","issn":"0094-9140","collaboration":"Prepared in cooperation with the Maine State Planning Office","usgsCitation":"Dudley, R.W., and Nielsen, J.P., 2000, Streamflow Statistics for the Narraguagus River at Cherryfield, Maine: U.S. Geological Survey Open-File Report 2000-95, iii, 18 p., https://doi.org/10.3133/ofr200095.","productDescription":"iii, 18 p.","costCenters":[{"id":371,"text":"Maine Water Science Center","active":true,"usgs":true}],"links":[{"id":1380,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://me.water.usgs.gov/reports/narr.pdf","size":"243","linkFileType":{"id":1,"text":"pdf"}},{"id":155196,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/2000/0095/report-thumb.jpg"},{"id":52337,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2000/0095/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -68.25,44.25 ], [ -68.25,45.083333333333336 ], [ -67.5,45.083333333333336 ], [ -67.5,44.25 ], [ -68.25,44.25 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b15e4b07f02db6a4f7b","contributors":{"authors":[{"text":"Dudley, Robert W. 0000-0002-0934-0568 rwdudley@usgs.gov","orcid":"https://orcid.org/0000-0002-0934-0568","contributorId":2223,"corporation":false,"usgs":true,"family":"Dudley","given":"Robert","email":"rwdudley@usgs.gov","middleInitial":"W.","affiliations":[{"id":466,"text":"New England Water Science Center","active":true,"usgs":true},{"id":371,"text":"Maine Water Science Center","active":true,"usgs":true}],"preferred":true,"id":189160,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Nielsen, Joseph P.","contributorId":16393,"corporation":false,"usgs":true,"family":"Nielsen","given":"Joseph","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":189161,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":24772,"text":"ofr99274 - 2000 - Concentrations of nutrients and sediment from two sites in the Spring Creek basin, Benton County, Washington, 1997-98","interactions":[],"lastModifiedDate":"2012-02-02T00:08:11","indexId":"ofr99274","displayToPublicDate":"2001-03-01T00:00:00","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":"99-274","title":"Concentrations of nutrients and sediment from two sites in the Spring Creek basin, Benton County, Washington, 1997-98","language":"ENGLISH","publisher":"U.S. Department of the Interior, U.S. Geological Survey ;\r\nInformation Services [distributor],","doi":"10.3133/ofr99274","issn":"0094-9140","usgsCitation":"Wagner, R.J., 2000, Concentrations of nutrients and sediment from two sites in the Spring Creek basin, Benton County, Washington, 1997-98: U.S. Geological Survey Open-File Report 99-274, iii, 13 p. :map ;28 cm., https://doi.org/10.3133/ofr99274.","productDescription":"iii, 13 p. :map ;28 cm.","costCenters":[],"links":[{"id":156360,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1999/0274/report-thumb.jpg"},{"id":53796,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1999/0274/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b15e4b07f02db6a4ccd","contributors":{"authors":[{"text":"Wagner, Richard J. rjwagner@usgs.gov","contributorId":3122,"corporation":false,"usgs":true,"family":"Wagner","given":"Richard","email":"rjwagner@usgs.gov","middleInitial":"J.","affiliations":[{"id":622,"text":"Washington Water Science Center","active":true,"usgs":true}],"preferred":true,"id":192537,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":23748,"text":"ofr0036 - 2000 - Increasing the accuracy of dating and time distribution through late Pleistocene lake sediments by pollen aerosol sequencing","interactions":[],"lastModifiedDate":"2012-02-02T00:08:15","indexId":"ofr0036","displayToPublicDate":"2001-03-01T00:00:00","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":"2000-36","title":"Increasing the accuracy of dating and time distribution through late Pleistocene lake sediments by pollen aerosol sequencing","language":"ENGLISH","publisher":"U.S. Dept. of the Interior, U.S. Geological Survey,","doi":"10.3133/ofr0036","issn":"0094-9140","usgsCitation":"Litwin, R.J., 2000, Increasing the accuracy of dating and time distribution through late Pleistocene lake sediments by pollen aerosol sequencing: U.S. Geological Survey Open-File Report 2000-36, 12p., :ill., maps ;28 cm., https://doi.org/10.3133/ofr0036.","productDescription":"12p., :ill., maps ;28 cm.","costCenters":[],"links":[{"id":156784,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/2000/0036/report-thumb.jpg"},{"id":52981,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2000/0036/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49fce4b07f02db5f58b8","contributors":{"authors":[{"text":"Litwin, Ronald J. 0000-0002-8661-1296 rlitwin@usgs.gov","orcid":"https://orcid.org/0000-0002-8661-1296","contributorId":2478,"corporation":false,"usgs":true,"family":"Litwin","given":"Ronald","email":"rlitwin@usgs.gov","middleInitial":"J.","affiliations":[{"id":243,"text":"Eastern Geology and Paleoclimate Science Center","active":true,"usgs":true},{"id":40020,"text":"Florence Bascom Geoscience Center","active":true,"usgs":true}],"preferred":true,"id":190649,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":22039,"text":"ofr00102 - 2000 - Preliminary interpretation of seasonal movement of the Slumgullion landslide as determined from GPS observations, July 1998-July 1999","interactions":[],"lastModifiedDate":"2023-03-16T18:27:22.007778","indexId":"ofr00102","displayToPublicDate":"2001-03-01T00:00:00","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":"2000-102","title":"Preliminary interpretation of seasonal movement of the Slumgullion landslide as determined from GPS observations, July 1998-July 1999","docAbstract":"No abstract available.
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr00102","usgsCitation":"Coe, J.A., Godt, J., Ellis, W., Savage, W.Z., Savage, J.E., Powers, P.S., Varnes, D.J., and Tachker, P., 2000, Preliminary interpretation of seasonal movement of the Slumgullion landslide as determined from GPS observations, July 1998-July 1999: U.S. Geological Survey Open-File Report 2000-102, 26 p., https://doi.org/10.3133/ofr00102.","productDescription":"26 p.","costCenters":[],"links":[{"id":414297,"rank":4,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_23467.htm","linkFileType":{"id":5,"text":"html"}},{"id":51500,"rank":3,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2000/0102/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":153830,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/2000/0102/report-thumb.jpg"},{"id":8116,"rank":2,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2000/ofr-00-0102/","linkFileType":{"id":5,"text":"html"}}],"country":"United States","state":"Colorado","otherGeospatial":"Slumgullion landslide","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -107.333,\n 38.033\n ],\n [\n -107.333,\n 37.967\n ],\n [\n -107.206,\n 37.967\n ],\n [\n -107.206,\n 38.033\n ],\n [\n -107.333,\n 38.033\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4abce4b07f02db67325e","contributors":{"authors":[{"text":"Coe, J. A.","contributorId":8867,"corporation":false,"usgs":true,"family":"Coe","given":"J.","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":186797,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Godt, J. W.","contributorId":76732,"corporation":false,"usgs":true,"family":"Godt","given":"J. W.","affiliations":[],"preferred":false,"id":186801,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Ellis, W. L.","contributorId":40210,"corporation":false,"usgs":true,"family":"Ellis","given":"W. L.","affiliations":[],"preferred":false,"id":186800,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Savage, W. Z.","contributorId":106481,"corporation":false,"usgs":true,"family":"Savage","given":"W.","email":"","middleInitial":"Z.","affiliations":[],"preferred":false,"id":186804,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Savage, J. E.","contributorId":37365,"corporation":false,"usgs":true,"family":"Savage","given":"J.","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":186798,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Powers, P. S.","contributorId":37754,"corporation":false,"usgs":true,"family":"Powers","given":"P.","email":"","middleInitial":"S.","affiliations":[],"preferred":false,"id":186799,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Varnes, D. J.","contributorId":85201,"corporation":false,"usgs":true,"family":"Varnes","given":"D.","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":186802,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Tachker, P.","contributorId":85986,"corporation":false,"usgs":true,"family":"Tachker","given":"P.","affiliations":[],"preferred":false,"id":186803,"contributorType":{"id":1,"text":"Authors"},"rank":8}]}} ,{"id":21679,"text":"ofr00103 - 2000 - Coal recoverability in the Hilight quadrangle, Powder River basin, Wyoming: A prototype study in a western coal field","interactions":[],"lastModifiedDate":"2021-12-21T19:40:40.641874","indexId":"ofr00103","displayToPublicDate":"2001-03-01T00:00:00","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":"2000-103","title":"Coal recoverability in the Hilight quadrangle, Powder River basin, Wyoming: A prototype study in a western coal field","docAbstract":"No abstract available.
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","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr00101","usgsCitation":"Coe, J.A., Godt, J., Ellis, W., Savage, W.Z., Savage, J.E., Powers, P.S., Varnes, D.J., and Tachker, P., 2000, Seasonal movement of the Slumgullion landslide as determined from GPS observations, July 1998-July 1999: U.S. Geological Survey Open-File Report 2000-101, 47 p.;, https://doi.org/10.3133/ofr00101.","productDescription":"47 p.;","costCenters":[],"links":[{"id":414311,"rank":4,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_23466.htm","linkFileType":{"id":5,"text":"html"}},{"id":51584,"rank":3,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2000/0101/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":154977,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/2000/0101/report-thumb.jpg"},{"id":8115,"rank":2,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2000/ofr-00-0101/","linkFileType":{"id":5,"text":"html"}}],"country":"United States","state":"Colorado","otherGeospatial":"Slumgullion landslide","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -107.333,\n 38.033\n ],\n [\n -107.333,\n 37.967\n ],\n [\n -107.206,\n 37.967\n ],\n [\n -107.206,\n 38.033\n ],\n [\n -107.333,\n 38.033\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a0ce4b07f02db5fc351","contributors":{"authors":[{"text":"Coe, J. 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E.","contributorId":37365,"corporation":false,"usgs":true,"family":"Savage","given":"J.","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":187262,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Powers, P. S.","contributorId":37754,"corporation":false,"usgs":true,"family":"Powers","given":"P.","email":"","middleInitial":"S.","affiliations":[],"preferred":false,"id":187263,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Varnes, D. 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","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr99454","usgsCitation":"Swanson, R.B., and Emmons, P.J., 2000, Water-quality assessment of the central Nebraska Basins: Design for field operations, 1992 through 1995: U.S. Geological Survey Open-File Report 99-454, vii, 27 p., https://doi.org/10.3133/ofr99454.","productDescription":"vii, 27 p.","costCenters":[],"links":[{"id":53683,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1999/0454/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":405715,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_34037.htm","linkFileType":{"id":5,"text":"html"}},{"id":157635,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1999/0454/report-thumb.jpg"}],"country":"United States","state":"Nebraska","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -102.317,\n 40.422\n ],\n [\n -95.867,\n 40.422\n ],\n [\n -95.867,\n 42.681\n ],\n [\n -102.317,\n 42.681\n ],\n [\n -102.317,\n 40.422\n ]\n ]\n ]\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49e5e4b07f02db5e7115","contributors":{"authors":[{"text":"Swanson, Robert B. rswanson@usgs.gov","contributorId":855,"corporation":false,"usgs":true,"family":"Swanson","given":"Robert","email":"rswanson@usgs.gov","middleInitial":"B.","affiliations":[],"preferred":true,"id":192319,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Emmons, Patrick J.","contributorId":48958,"corporation":false,"usgs":true,"family":"Emmons","given":"Patrick","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":192320,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":22989,"text":"ofr0098 - 2000 - Ecological condition and public use of the Cabrillo National Monument intertidal zone 1990-1995","interactions":[],"lastModifiedDate":"2012-02-02T00:07:51","indexId":"ofr0098","displayToPublicDate":"2001-02-01T00:00:00","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":"2000-98","title":"Ecological condition and public use of the Cabrillo National Monument intertidal zone 1990-1995","language":"ENGLISH","publisher":"U.S. Department of the Interior, U.S. Geological Survey ;\r\nInformation Services [distributor],","doi":"10.3133/ofr0098","issn":"0094-9140","usgsCitation":"Engle, J.M., and Davis, G.E., 2000, Ecological condition and public use of the Cabrillo National Monument intertidal zone 1990-1995: U.S. Geological Survey Open-File Report 2000-98, v, 175 p. :ill., maps ;28 cm., https://doi.org/10.3133/ofr0098.","productDescription":"v, 175 p. :ill., maps ;28 cm.","costCenters":[],"links":[{"id":153722,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/2000/0098/report-thumb.jpg"},{"id":52378,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2000/0098/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a4ee4b07f02db627ca6","contributors":{"authors":[{"text":"Engle, John M.","contributorId":82728,"corporation":false,"usgs":true,"family":"Engle","given":"John","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":189245,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Davis, Gary E.","contributorId":73235,"corporation":false,"usgs":true,"family":"Davis","given":"Gary","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":189244,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":21892,"text":"ofr00168 - 2000 - Interaction between ground water and surface water in the northern Everglades and relation to water budget and mercury cycling; study methods and appendixes","interactions":[],"lastModifiedDate":"2021-12-09T11:36:57.1596","indexId":"ofr00168","displayToPublicDate":"2001-02-01T00:00:00","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":"2000-168","title":"Interaction between ground water and surface water in the northern Everglades and relation to water budget and mercury cycling; study methods and appendixes","docAbstract":"The data presented in this report are products of an investigation that quantified interactions between ground water and surface water at several study sites in the northern Everglades. Goals included identifying the major geologic controls and human alterations that affect interactions between ground water and surface water, and determining how those interactions affect mercury contamination. The primary study area was the 3,815-acre Everglades Nutrient Removal (ENR), a wetland constructed in the early 1990s as a prototype Stormwater Treatment Area (STA), to determine the effectiveness in removing excess nutrients from agricultural drainage. In order to ensure that results from ENR are broadly informative, work was also conducted in Water Conservation Area-2A (WCA-2A), a 105,000-acre basin surrounded by levees. In the past 50 years, WCA-2A has experienced extensive re- engineering of water flow, alterations in the pattern of water-level fluctuations and timing of fire frequency, as well as substantial ecological changes. The most visible ecological alteration is the change in dominance over the past 30 years from a sawgrass wetland to cattail wetland in the northeastern part of WCA-2A. The drastic change in vegetation in WCA-2A resulted at least in part from inputs of excess phosphorus from agricultural drainage. \r\n\r\nSubstantial data collection programs were already in progress in both ENR and WCA- 2A when the present work began. The South Florida Water Management District (SFWMD) constructed the ENR project in 1994 to determine the effectiveness of constructed wetlands for water treatment. Measurements of surface water flow and water quality were made frequently in ENR between 1994 and 1998. Fewer ground water data were collected at ENR, and almost all of it was collected from shallow wells emplaced on perimeter levees. In contrast to the short-term nature of data collection in ENR, hydrologic and chemical data were collected over a much longer period in WCA-2A (since at least the mid- 1970s), but the number of sites and data- collection frequency is much less. Very little prior ground water data were available in WCA-2A. \r\n\r\nGiven the availability of prior information, the present study emphasized the collection of ground water field data, particularly in the interior wetland areas of ENR and WCA- 2A. New wells were emplaced to permit the geologic, hydraulic, and chemical sampling that was needed to characterize interactions between surface water and ground water. In particular, lithology and hydraulic properties of the Surficial aquifer were determined, ground water flow paths and velocities were delineated, hydrologic fluxes between surface water and ground water were measured, and water budgets and surface- subsurface fluxes of mercury were determined. \r\n\r\nThe purpose of this report is to compile under one cover all of the data collected in this investigation. In addition, the report contains a detailed description of the study methods and information about study sites, borehole drilling, well construction, seepage meter installation, and hydraulic and geochemical chemical sampling. Data interpretations are the subject of a companion report.","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr00168","issn":"0566-8174","usgsCitation":"Harvey, J.W., Krupa, S., Gefvert, C., Choi, J., Mooney, R.H., and Giddings, J., 2000, Interaction between ground water and surface water in the northern Everglades and relation to water budget and mercury cycling; study methods and appendixes: U.S. Geological Survey Open-File Report 2000-168, xiv, 395 p., https://doi.org/10.3133/ofr00168.","productDescription":"xiv, 395 p.","costCenters":[{"id":27821,"text":"Caribbean-Florida Water Science Center","active":true,"usgs":true}],"links":[{"id":154150,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/2000/0168/report-thumb.jpg"},{"id":51382,"rank":299,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2000/0168/report.pdf","text":"Report","size":"102 MB","linkFileType":{"id":1,"text":"pdf"},"description":"OFR 00-168"}],"country":"United States","state":"Florida","otherGeospatial":"Everglades","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -81.9580078125,\n 25.025884063244828\n ],\n [\n -80.013427734375,\n 25.025884063244828\n ],\n [\n -80.013427734375,\n 26.912273826625587\n ],\n [\n -81.9580078125,\n 26.912273826625587\n ],\n [\n -81.9580078125,\n 25.025884063244828\n ]\n ]\n ]\n }\n }\n ]\n}","contact":"Caribbean-Florida Water Science Center
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","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr00158","issn":"0094-9140","usgsCitation":"Swarzenski, P.W., and Reich, C.D., 2000, Re-examining the submarine spring at Crescent Beach, Florida: U.S. Geological Survey Open-File Report 2000-158, 4 p., https://doi.org/10.3133/ofr00158.","productDescription":"4 p.","costCenters":[{"id":27821,"text":"Caribbean-Florida Water Science Center","active":true,"usgs":true}],"links":[{"id":51541,"rank":299,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2000/0158/report.pdf","text":"Report","size":"1.39 MB","linkFileType":{"id":1,"text":"pdf"},"description":"OFR 00-158"},{"id":153800,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/2000/0158/report-thumb.jpg"}],"country":"United States","state":"Florida","otherGeospatial":"Crescent Beach","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -81.26998901367188,\n 29.739637861100015\n ],\n [\n -81.2380599975586,\n 29.739637861100015\n ],\n [\n -81.2380599975586,\n 29.7938779650257\n ],\n [\n -81.26998901367188,\n 29.7938779650257\n ],\n [\n -81.26998901367188,\n 29.739637861100015\n ]\n ]\n ]\n }\n }\n ]\n}","contact":"Caribbean-Florida Water Science Center
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No abstract available.
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N.","contributorId":16819,"corporation":false,"usgs":true,"family":"Zihlman","given":"F.","email":"","middleInitial":"N.","affiliations":[],"preferred":false,"id":187359,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Oliver, H. L.","contributorId":87130,"corporation":false,"usgs":true,"family":"Oliver","given":"H.","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":187362,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Nelson, P. H.","contributorId":42238,"corporation":false,"usgs":true,"family":"Nelson","given":"P.","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":187360,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Kibler, J. E.","contributorId":49358,"corporation":false,"usgs":true,"family":"Kibler","given":"J.","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":187361,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":22556,"text":"ofr0076 - 2000 - Borehole geophysical logs at Naval Weapons Industrial Reserve Plant, Dallas, Texas","interactions":[],"lastModifiedDate":"2017-01-12T15:40:00","indexId":"ofr0076","displayToPublicDate":"2001-01-01T00:00:00","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":"2000-76","title":"Borehole geophysical logs at Naval Weapons Industrial Reserve Plant, Dallas, Texas","docAbstract":"A shallow alluvial aquifer at the Naval Weapons Industrial Reserve Plant near Dallas, Texas, has been contaminated by organic solvents used in the fabrication and assembly of aircraft and aircraft parts. Natural gamma-ray and electromagnetic-induction borehole geophysical logs were obtained from 162 poly vinyl-chloride-cased wells at the plant and were integrated with existing lithologic data to improve site characterization of the subsurface alluvium. Software was developed for filtering and classifying the log data and for processing, analyzing, and creating graphical output of the digital data. The alluvium consists of mostly fine-grained low-permeability sediments; however for this study, the alluvium was classified into low, intermediate, and high clay-content sediments on the basis of the gamma-ray logs. The low clay-content sediments were interpreted as being relatively permeable, whereas the high clay-content sediments were interpreted as being relatively impermeable. Simple statistics were used to identify zones of potentially contaminated sediments on the basis of the gamma-ray log classifications and the electromagnetic-induction log conductivity data.
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr0076","issn":"0094-9140","collaboration":"In cooperation with the Southern Division Naval Facilities Engineering Command","usgsCitation":"Braun, C.L., Anaya, R., and Kuniansky, E.L., 2000, Borehole geophysical logs at Naval Weapons Industrial Reserve Plant, Dallas, Texas: U.S. Geological Survey Open-File Report 2000-76, Report: iii, 232 p.; Plate: 22 x 28 inches, https://doi.org/10.3133/ofr0076.","productDescription":"Report: iii, 232 p.; Plate: 22 x 28 inches","costCenters":[],"links":[{"id":19431,"rank":400,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/2000/0076/plate-1.pdf","text":"Plate 1","size":"1.84 MB","linkFileType":{"id":1,"text":"pdf"},"description":"Plate 1"},{"id":19432,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2000/0076/report.pdf","text":"Report","size":"18.28 MB","linkFileType":{"id":1,"text":"pdf"},"description":"Report"},{"id":154422,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/2000/0076/report-thumb.jpg"}],"country":"United States","state":"Texas","city":"Dallas","otherGeospatial":"Naval Weapons Industrial Reserve Plant","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -96.9,\n 32.7\n ],\n [\n -96.9,\n 32.75\n ],\n [\n -97,\n 32.75\n ],\n [\n -97,\n 32.7\n ],\n [\n -96.9,\n 32.7\n ]\n ]\n ]\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a14e4b07f02db602a87","contributors":{"authors":[{"text":"Braun, Christopher L. 0000-0002-5540-2854 clbraun@usgs.gov","orcid":"https://orcid.org/0000-0002-5540-2854","contributorId":925,"corporation":false,"usgs":true,"family":"Braun","given":"Christopher","email":"clbraun@usgs.gov","middleInitial":"L.","affiliations":[{"id":48595,"text":"Oklahoma-Texas Water Science Center","active":true,"usgs":true}],"preferred":true,"id":188461,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Anaya, Roberto","contributorId":10827,"corporation":false,"usgs":true,"family":"Anaya","given":"Roberto","email":"","affiliations":[],"preferred":false,"id":188463,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Kuniansky, Eve L. 0000-0002-5581-0225 elkunian@usgs.gov","orcid":"https://orcid.org/0000-0002-5581-0225","contributorId":932,"corporation":false,"usgs":true,"family":"Kuniansky","given":"Eve","email":"elkunian@usgs.gov","middleInitial":"L.","affiliations":[{"id":5064,"text":"Southeast Regional Director's Office","active":true,"usgs":true},{"id":509,"text":"Office of the Associate Director for Water","active":true,"usgs":true}],"preferred":true,"id":188462,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":21939,"text":"ofr98654 - 2000 - Metal exposure to a benthic invertebrate, Hydropsyche californica, in the Sacramento River down stream of Keswick Reservoir, California","interactions":[],"lastModifiedDate":"2022-09-16T20:00:30.213577","indexId":"ofr98654","displayToPublicDate":"2001-01-01T00:00:00","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":"98-654","displayTitle":"Metal exposure to a benthic invertebrate, Hydropsyche californica, in the Sacramento River down stream of Keswick Reservoir, California","title":"Metal exposure to a benthic invertebrate, Hydropsyche californica, in the Sacramento River down stream of Keswick Reservoir, California","docAbstract":"No abstract available.
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr98654","usgsCitation":"Cain, D.J., Carter, J.L., Fend, S.V., Luoma, S.N., Alpers, C.N., and Taylor, H.E., 2000, Metal exposure to a benthic invertebrate, Hydropsyche californica, in the Sacramento River down stream of Keswick Reservoir, California: U.S. Geological Survey Open-File Report 98-654, iv, 20 p., https://doi.org/10.3133/ofr98654.","productDescription":"iv, 20 p.","costCenters":[{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":406880,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_31467.htm","linkFileType":{"id":5,"text":"html"}},{"id":51414,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1998/0654/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":153679,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1998/0654/report-thumb.jpg"}],"country":"United States","state":"California","otherGeospatial":"Keswick Reservoir, Sacramento River","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -122.45979309082031,\n 40.508056667997295\n ],\n [\n -122.34992980957031,\n 40.508056667997295\n ],\n [\n -122.34992980957031,\n 40.62750334315296\n ],\n [\n -122.45979309082031,\n 40.62750334315296\n ],\n [\n -122.45979309082031,\n 40.508056667997295\n ]\n ]\n ]\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a4be4b07f02db625947","contributors":{"authors":[{"text":"Cain, Daniel J. 0000-0002-3443-0493 djcain@usgs.gov","orcid":"https://orcid.org/0000-0002-3443-0493","contributorId":1784,"corporation":false,"usgs":true,"family":"Cain","given":"Daniel","email":"djcain@usgs.gov","middleInitial":"J.","affiliations":[{"id":37277,"text":"WMA - 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B.","contributorId":70746,"corporation":false,"usgs":true,"family":"Joyner","given":"W.","email":"","middleInitial":"B.","affiliations":[],"preferred":false,"id":185257,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Oppenheimer, D. H.","contributorId":18395,"corporation":false,"usgs":true,"family":"Oppenheimer","given":"D.","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":185251,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Warrick, R.E.","contributorId":43774,"corporation":false,"usgs":true,"family":"Warrick","given":"R.E.","affiliations":[],"preferred":false,"id":185252,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Zhang, Wenbo","contributorId":54235,"corporation":false,"usgs":true,"family":"Zhang","given":"Wenbo","email":"","affiliations":[],"preferred":false,"id":185254,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Hamilton, J. 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In this report, we examine the distribution of trace elements between the different solid components aluminosilicates, apatite, organic matter, opal, calcite, and dolomite that largely make up the rocks. High concentrations of several trace elements throughout the deposit, for example, As, Cd, Se, Tl, and U, at this and previously examined sites have raised concern about their introduction into the environment via weathering and the degree to which mining and the disposal of mined waste rock from this deposit might be accelerating that process. The question addressed here is how might the partitioning of trace elements between these solid host components influence the introduction of trace elements into ground water, surface water, and eventually biota, via weathering? In the case of Se, it is partitioned into components that are quite labile under the oxidizing conditions of subaerial weathering. As a result, it is widely distributed throughout the environment. Its concentration exceeds the level of concern for protection of wildlife at virtually every trophic level.
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr0050","issn":"0094-9140","usgsCitation":"Piper, D.Z., Skorupa, J.P., Presser, T.S., Hardy, M.A., Hamilton, S.J., Huebner, M., and Gulbrandsen, R.A., 2000, The Phosphoria Formation at the Hot Springs Mine in Southeast Idaho: A source of selenium and other trace elements to surface water, ground water, vegetation, and biota: U.S. Geological Survey Open-File Report 2000-50, 73 p., https://doi.org/10.3133/ofr0050.","productDescription":"73 p.","costCenters":[{"id":192,"text":"Columbia Environmental Research Center","active":true,"usgs":true},{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":64355,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2000/0050/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":161529,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/2000/0050/report-thumb.jpg"}],"country":"United States","state":"Idaho","otherGeospatial":"Hot Springs Mine","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -114.3017578125,\n 42.00032514831621\n ],\n [\n -111.02783203125,\n 41.983994270935625\n ],\n [\n -111.07177734375,\n 44.731125592643274\n ],\n [\n -114.5654296875,\n 44.574817404670306\n ],\n [\n -114.3017578125,\n 42.00032514831621\n ]\n ]\n ]\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ac7e4b07f02db67ae44","contributors":{"authors":[{"text":"Piper, David Z. dzpiper@usgs.gov","contributorId":2452,"corporation":false,"usgs":true,"family":"Piper","given":"David","email":"dzpiper@usgs.gov","middleInitial":"Z.","affiliations":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"preferred":true,"id":218879,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Skorupa, J. 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Formation of this basin is related to the break up of Gondwana, which resulted in the separation of Antarctica from Australia, and the separation of the New Zealand and Lord Howe Rise continental crust from Australia. Coals and coaly shales of Late Cretaceous through Eocene age are the source rocks for oil and gas that accumulated predominantly in anticlinal traps. The basin was Australia?s major producing basin until 1996 when daily oil/condensate production from the North West Shelf surpassed it.","language":"English","publisher":"U.S. Department of the Interior, U.S. Geological Survey,","publisherLocation":"Reston, VA","doi":"10.3133/ofr9950Q","issn":"0094-9140","usgsCitation":"Bishop, M.G., 2000, Petroleum system of the Gippsland Basin, Australia: U.S. Geological Survey Open-File Report 99-50, 2 p., https://doi.org/10.3133/ofr9950Q.","productDescription":"2 p.","costCenters":[],"links":[{"id":1549,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/1999/ofr-99-0050/OF99-50Q/","linkFileType":{"id":5,"text":"html"}},{"id":155563,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1999/0050q/report-thumb.jpg"},{"id":52007,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1999/0050q/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"country":"Australia","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n 150.93017578125,\n -30.883369321692257\n ],\n [\n 145.8984375,\n -36.72127388004499\n ],\n [\n 148.11767578125,\n -41.37680856570234\n ],\n [\n 151.19384765624997,\n -40.63063008399178\n ],\n [\n 155.32470703125,\n -32.41706632846282\n ],\n [\n 150.93017578125,\n -30.883369321692257\n ]\n ]\n ]\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4adfe4b07f02db687d80","contributors":{"authors":[{"text":"Bishop, Michele G.","contributorId":19586,"corporation":false,"usgs":true,"family":"Bishop","given":"Michele","email":"","middleInitial":"G.","affiliations":[],"preferred":false,"id":188350,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":21816,"text":"ofr00294 - 2000 - Geologic controls on the formation of Florida sinkhole lakes","interactions":[],"lastModifiedDate":"2012-02-02T00:07:53","indexId":"ofr00294","displayToPublicDate":"2001-01-01T00:00:00","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":"2000-294","title":"Geologic controls on the formation of Florida sinkhole lakes","language":"ENGLISH","publisher":"U.S. Department of the Interior, U.S. Geological Survey,","doi":"10.3133/ofr00294","issn":"0566-8174","usgsCitation":"Kindinger, J.L., and Flocks, J.G., 2000, Geologic controls on the formation of Florida sinkhole lakes: U.S. Geological Survey Open-File Report 2000-294, 1 folded sheet (4 p.) :ill. 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Suspended-sediment particle size distribution was measured in selected samples from 1978 through 1998. These data are used to assess changes in suspended-sediment concentrations and loads through time. Suspended-sediment concentrations were positively related to discharge. At higher flows, percent silt-clay was negatively related to discharge. Nonparametric trend analysis (Mann-Kendall test) of suspended-sediment concentration over the period of record indicated a slight decrease in concentration. Flow-adjusted residuals of suspended-sediment concentration also decreased slightly through the same period. No change was identified in annual suspended-sediment load or annual flow-weighted concentration. Continued monitorig of daily-suspended-sediment concentrations at this site and others, and similar data analysis at other sites where data are available will provide a better understanding of sediment transport withint the St. Francis River.","language":"ENGLISH","publisher":"U.S. Department of the Interior, U.S. Geological Survey ;\r\nBranch of Information Services [distributor],","doi":"10.3133/ofr99227","issn":"0094-9140","usgsCitation":"Green, W.R., Barks, C.S., and Hall, A.P., 2000, Suspended sediment in the St. Francis River at St. Francis, Arkansas, 1986-95: U.S. Geological Survey Open-File Report 99-227, iii, 9 leaves :ill., map ;28 cm., https://doi.org/10.3133/ofr99227.","productDescription":"iii, 9 leaves :ill., map ;28 cm.","costCenters":[],"links":[{"id":154245,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1999/0227/report-thumb.jpg"},{"id":52543,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1999/0227/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a09e4b07f02db5fae4a","contributors":{"authors":[{"text":"Green, W. 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","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr00315","issn":"0094-9140","usgsCitation":"Winston, R.B., 2000, Graphical user interface for MODFLOW, Version 4: U.S. Geological Survey Open-File Report 2000-315, 27 p. , https://doi.org/10.3133/ofr00315.","productDescription":"27 p. ","numberOfPages":"27","costCenters":[{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":438894,"rank":301,"type":{"id":30,"text":"Data Release"},"url":"https://doi.org/10.5066/P9Y29U1H","text":"USGS data release","linkHelpText":"GW_Chart version 1.30"},{"id":157245,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/2000/0315/report-thumb.jpg"},{"id":53876,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2000/0315/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4abbe4b07f02db672391","contributors":{"authors":[{"text":"Winston, Richard B. 0000-0002-6287-8834 rbwinst@usgs.gov","orcid":"https://orcid.org/0000-0002-6287-8834","contributorId":3567,"corporation":false,"usgs":true,"family":"Winston","given":"Richard","email":"rbwinst@usgs.gov","middleInitial":"B.","affiliations":[{"id":436,"text":"National Research Program - Eastern Branch","active":true,"usgs":true},{"id":37778,"text":"WMA - Integrated Modeling and Prediction Division","active":true,"usgs":true}],"preferred":true,"id":192746,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ]}