The 2-, 5-, 10-, 25-, 50-, and 100-year peak discharges were estimated for 186 streamflow-gaging stations with at least 8 years of data for natural streams in and near the Brazos River Basin, Texas. Multiple regression equations were developed to estimate peak-discharge frequency for the 2-, 5-, 10-, 25-, 50-, and 100-year recurrence intervals for each of three hydrologic regions that compose the Brazos River Basin. The equations for each region are a function of significant basin characteristics (explanatory variables). The significant explanatory variables among six that were tested are the contributing drainage area and stream slope for regions 1 and 2 and the contributing drainage area for region 3. For the three sets of equations, the coefficient of determination ranges from 0.59 to 0.93, and the standard error ranges from 0.184 to 0.391 log units. A larger coefficient of determination and a lower standard error generally are associated with the equations for hydrologic regions 2 and 3. Statistics from the regression analysis allow computation of the prediction interval associated with a given significance level for a peak-discharge frequency estimate. The regression equations can be used to estimate peak discharges for sites at, near, or away from sites with streamflow-gaging stations.
\nThe potential extreme peak-discharge curves as related to contributing drainage area were estimated for each of the three hydrologic regions from measured extreme peaks of record at 186 sites with streamflow-gaging stations and from measured extreme peaks at 37 sites without streamflow-gaging stations in and near the Brazos River Basin. The potential extreme peak-discharge curves generally are similar for hydrologic regions 1 and 2, and the curve for region 3 consistently is below the curves for regions 1 and 2, which indicates smaller peak discharges.
","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Austin, TX","doi":"10.3133/wri984178","collaboration":"Prepared in cooperation with the Brazos River Authority","usgsCitation":"Raines, T.H., 1998, Peak-discharge frequency and potential extreme peak discharge for natural streams in the Brazos River basin, Texas: U.S. Geological Survey Water-Resources Investigations Report 98-4178, Document: iv, 42 p.; Plate: 23 x 24 inches, https://doi.org/10.3133/wri984178.","productDescription":"Document: iv, 42 p.; Plate: 23 x 24 inches","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":583,"text":"Texas Water Science Center","active":true,"usgs":true}],"links":[{"id":326687,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/wri984178.JPG"},{"id":2247,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.water.usgs.gov/wri98-4178/","linkFileType":{"id":5,"text":"html"}}],"country":"United States","state":"Texas","otherGeospatial":"Brazos River Basin","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ae0e4b07f02db6884e3","contributors":{"authors":[{"text":"Raines, Timothy H. thraines@usgs.gov","contributorId":3862,"corporation":false,"usgs":true,"family":"Raines","given":"Timothy","email":"thraines@usgs.gov","middleInitial":"H.","affiliations":[],"preferred":true,"id":201225,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":26634,"text":"wri974096 - 1998 - Hydrogeology and simulation of ground-water flow in the Sandstone Aquifer, northeastern Wisconsin","interactions":[],"lastModifiedDate":"2015-10-22T11:19:19","indexId":"wri974096","displayToPublicDate":"1999-04-01T00:00:00","publicationYear":"1998","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":342,"text":"Water-Resources Investigations Report","code":"WRI","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"97-4096","title":"Hydrogeology and simulation of ground-water flow in the Sandstone Aquifer, northeastern Wisconsin","docAbstract":"Municipalities in the lower Fox River Valley in northeastern Wisconsin obtain their water supply from a series of permeable sandstones and carbonates of Cambrian to Ordovician age. Withdrawals from this \"sandstone aquifer\" have resulted in water levels declining at a rate of more than 2 feet per year. The U.S. Geological Survey, in cooperation with the major water utilities in the Fox Cities area, the East Central Wisconsin Regional Planning Commission and the Wisconsin Geological and Natural History Survey, collected hydrogeological data and constructed a quasithree- dimensional, transient ground-water-flow model for use as a tool in assessing the water resources of the sandstone aquifer.
\nThe rocks of the Sinnipee Group and Maquoketa Shale form the Maquoketa-Sinnipee confining unit that separates the sandstone aquifer from the overlying upper aquifer, which consists of unconsolidated deposits and permeable dolomite of Silurian age. The confining unit is present in the eastern part of the study area, but is absent in the western part, where the upper aquifer directly overlies the sandstone aquifer.
\nThe ground-water-flow model simulates water levels in the two aquifers and vertical flow across the confining unit. Streams and lakes are simulated in the upper aquifer as head-dependent boundaries where the confining unit is absent and as constant head boundaries where the confining unit is present. The sandstone aquifer has constant heads assigned to the southern boundary, which is far from the lower Fox River Valley and coincident with a ground-water divide.
\nThe model was calibrated to predevelopment, 1957, and 1990 water levels, and used to simulate steady-state predevelopment conditions and transient conditions from 1880 to 1990. The trend in simulated water levels over time was similar to trends in measured water levels. Simulated base flow to streams was within the calculated range of base flow at gaged streams. A groundwater divide that separates westerly ground-water flow to the Wolf River from easterly flow to the lower Fox River Valley and Lake Michigan was simulated.
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/wri974096","collaboration":"Prepared in cooperation with Willage of Little Chute, Darboy Sanitary District #1, Kimberly Water Works Department, Town of Menasha Sanitary District #4, Kaukauna Electric and Water Utilities, Wisconsin Geological and Natural History Survey, East Central Wisconsin Regional Planning Commission","usgsCitation":"Conlon, T., 1998, Hydrogeology and simulation of ground-water flow in the Sandstone Aquifer, northeastern Wisconsin: U.S. Geological Survey Water-Resources Investigations Report 97-4096, Report: v, 60 p.; 1 Plate: 18.00 x 21.85 inches, https://doi.org/10.3133/wri974096.","productDescription":"Report: v, 60 p.; 1 Plate: 18.00 x 21.85 inches","numberOfPages":"64","onlineOnly":"N","additionalOnlineFiles":"Y","costCenters":[{"id":677,"text":"Wisconsin Water Science Center","active":true,"usgs":true}],"links":[{"id":55507,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/wri/1997/4096/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":118741,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/wri/1997/4096/report-thumb.jpg"},{"id":55506,"rank":400,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/wri/1997/4096/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States","state":"Wisconsin","otherGeospatial":"Lake Michigan","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -86.85791015625,\n 45.11230010229608\n ],\n [\n -89.12109375,\n 45.85941212790755\n ],\n [\n -89.769287109375,\n 43.41302868475145\n ],\n [\n -87.47314453125,\n 42.94838139765314\n ],\n [\n -86.737060546875,\n 42.89206418807337\n ],\n [\n -86.407470703125,\n 42.87596410238254\n ],\n [\n -86.077880859375,\n 44.535674532413196\n ],\n [\n -85.770263671875,\n 44.89479576469787\n ],\n [\n -86.85791015625,\n 45.11230010229608\n ]\n ]\n ]\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a4ae4b07f02db62529b","contributors":{"authors":[{"text":"Conlon, T.D. 0000-0002-5899-7187","orcid":"https://orcid.org/0000-0002-5899-7187","contributorId":97947,"corporation":false,"usgs":true,"family":"Conlon","given":"T.D.","affiliations":[],"preferred":false,"id":196745,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":44899,"text":"wri984196 - 1998 - Recharge-area delineation and hydrology, McCraken Springs, Fort Knox Military Reservation, Meade County, Kentucky","interactions":[],"lastModifiedDate":"2026-01-22T18:36:13.654704","indexId":"wri984196","displayToPublicDate":"1999-04-01T00:00:00","publicationYear":"1998","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":342,"text":"Water-Resources Investigations Report","code":"WRI","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"98-4196","title":"Recharge-area delineation and hydrology, McCraken Springs, Fort Knox Military Reservation, Meade County, Kentucky","docAbstract":"McCraken Springs, consisting of three perennial springs - Main, Bat Cave, and Rocky Springs—and several intermittent springs, are used as a source of public water by the Fort Knox Military Reservation in Meade County, Ky. The water supply provided by McCraken Springs is potentially vulnerable to natural and induced stresses on the karst aquifer and to degradation by contaminants introduced by stormwater entering sinkholes and a large sinking stream in the Springs' recharge area.
The U.S. Department of the Army is preparing a spring-basin protection plan for McCraken Springs, in accordance with State water-supply regulations and as specified under U.S. Environmental Protection Agency Guidelines for the Wellhead Protection Program (U.S. Environmental Protection Agency, 1991). In order to provide the information needed to prepare the plan, the U.S. Geological Survey (USGS), in cooperation with the U.S. Army Corps of Engineers, conducted a hydrogeologic study of the McCraken Springs in 1997-98. This report presents the results of that investigation. Ground-water-tracer tests and the results of potentiometric-surface mapping were used to identify ground-water basins drained by major perennial springs and to delineate the approximate boundaries of the recharge area for McCraken Springs. Additional hydrologic data were collected to determine the discharge and recharge characteristics of the Springs.
Karst aquifers and springs are widely recognized as being more sensitive to degradation to point- and nonpoint-source contamination than most granular and fractured-rock aquifers (Field, 1990). Delineation of the geographic area contributing recharge to a water-supply spring is a principal step in identifying potential sources of ground-water contamination and developing a strategy to ensure the availability and protect the sustainability of the water supply. Conventional methods of aquifer testing and numerical modeling are not sufficient to determine the flow boundaries of ground-water basins in conduit-dominated karst aquifers. Previous studies published by Quinlan and Ewers (1989); Mull and others (1990); Bayless and others (1994); and Schindel and others (1995) demonstrate the utility of ground-water tracer tests, used in combination with potentiometric-surface mapping, to identify flow directions in karst aquifers, and to delineate karst ground-water-basin boundaries.
","language":"English","doi":"10.3133/wri984196","collaboration":"Prepared in cooperation with the U.S. Department of the Army, U.S. Army Corps of Engineers","usgsCitation":"Taylor, C.J., and McCombs, G.K., 1998, Recharge-area delineation and hydrology, McCraken Springs, Fort Knox Military Reservation, Meade County, Kentucky: U.S. Geological Survey Water-Resources Investigations Report 98-4196, Report: 12 p.; 1 Plate: 34.48 x 41.09 inches, https://doi.org/10.3133/wri984196.","productDescription":"Report: 12 p.; 1 Plate: 34.48 x 41.09 inches","costCenters":[],"links":[{"id":427879,"rank":3,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/wri/1998/4196/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":427878,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/wri/1998/4196/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":161595,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/wri/1998/4196/report-thumb.jpg"}],"scale":"24000","country":"United States","state":"Kentucky","county":"Meade County","otherGeospatial":"Fort Knox Military Reservation, McCraken Springs","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -86.166667,\n 37.944445\n ],\n [\n -86.166667,\n 37.75\n ],\n [\n -86,\n 37.75\n ],\n [\n -86,\n 37.944445\n ],\n [\n -86.166667,\n 37.944445\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a75e4b07f02db644a6f","contributors":{"authors":[{"text":"Taylor, Charles J.","contributorId":93100,"corporation":false,"usgs":true,"family":"Taylor","given":"Charles","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":230642,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"McCombs, Gregory K. gmccombs@usgs.gov","contributorId":5429,"corporation":false,"usgs":true,"family":"McCombs","given":"Gregory","email":"gmccombs@usgs.gov","middleInitial":"K.","affiliations":[],"preferred":true,"id":230641,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":26738,"text":"wri974140 - 1998 - Ground-water recharge to and storage in the regolith-fractured crystalline rock aquifer system, Guilford County, North Carolina","interactions":[],"lastModifiedDate":"2017-01-31T09:38:00","indexId":"wri974140","displayToPublicDate":"1999-04-01T00:00:00","publicationYear":"1998","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":342,"text":"Water-Resources Investigations Report","code":"WRI","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"97-4140","title":"Ground-water recharge to and storage in the regolith-fractured crystalline rock aquifer system, Guilford County, North Carolina","docAbstract":"Quantitative information concerning recharge rates to aquifers and ground water in storage is needed to manage the development of ground- water resources. The amount of ground water available from the regolith-fractured crystalline rock aquifer system in Guilford County, North Carolina, is largely unknown. If historical patterns seen throughout the Piedmont continue into the future, the number of ground- water users in the county can be expected to increase. In order to determine the maximum population that can be supplied by ground water, planners and managers of suburban development must know the amount of ground water that can be withdrawn without exceeding recharge and(or) overdrafting water in long-term storage. Results of the study described in this report help provide this information. Estimates of seasonal and long-term recharge rates were estimated for 15 selected drainage basins and subbasins using streamflow data and an anlytical technique known as hydrograph separation. Methods for determining the quantity of ground water in storage also are described.\r\n\r\nGuilford County covers approximately 658 square miles in the central part of the Piedmont Province. The population of the county in 1990 was about 347,420; approximately 21 percent of the population depends on ground water as a source of potable supplies. Ground water is obtained from wells tapping the regolith-fractured crystalline rock aquifer system that underlies all of the county.\r\n\r\nUnder natural conditions, recharge to the ground-water system in the county is derived from infiltration of precipitation. Ground-water recharge from precipitation cannot be measured directly; however, an estimate of the amount of precipitation that infiltrates into the ground and ultimately reaches the streams of the region can be determined by the technique of hydrograph separation. Data from 19 gaging stations that measure streamflow within or from Guilford County were analyzed to produce daily estimates of ground-water recharge in 15 drainage basins and subbasins in the county. The recharge estimates were further analyzed to determine seasonal and long-term recharge rates, as well as recharge duration statistics.\r\n\r\nMean annual recharge in the 15 basins and subbasins ranges from 4.03 to 9.69 inches per year, with a mean value of 6.28 inches per year for all basins. In general, recharge rates are highest for basins in the northern and northwestern parts of the county and lowest in the southern and southeastern parts of the county. Median recharge rates in the 15 basins range from 2.47 inches per year (184 gallons per day per acre) to 9.15 inches per year (681 gallons per day per acre), with a median value of 4.65 inches per year (346 gallons per day per acre) for all basins.\r\n\r\nThe distribution of recharge rates in the county suggests a correlation between recharge rates and hydrogeologic units (and derived regolith). The highest recharge estimates occur in the northwestern part of Guilford County in basins unlain by felsic igneous intrusive rocks and lesser areas of metasedimentary rocks. Recharge estimates in this area range from 6.37 to 9.33 inches per year. Basins in the southwestern, central, and northeastern parts of the county are underlain primarily by metaigneous rocks of felsic and intermediate compositions, and recharge estimates range from 5.32 to 5.51 inches per year. In the extreme southern and southeastern parts of the county, the lower Deep River subbasin and the lower Haw River subbasins have the lowest estimated recharges at 4.15 and 4.03 inches per year, respectively. Although the areas of these subbasins that lie within Guilford County are underlain primarily by metaigneous rocks of felsic and intermediate compositions, the larger part of these subbasins lies south and southeast of Guilford County in areas underlain by hydrogeologic units of metavolcanic origin.\r\n\r\nThe distribution of recharge rates in the study area is almost the reverse of the distributio","language":"ENGLISH","publisher":"U.S. Geological Survey ;\r\nInformation Services [distributor],","doi":"10.3133/wri974140","usgsCitation":"Daniel, C.C., and Harned, D., 1998, Ground-water recharge to and storage in the regolith-fractured crystalline rock aquifer system, Guilford County, North Carolina: U.S. Geological Survey Water-Resources Investigations Report 97-4140, vi, 65 p. :ill., maps (some col.) ;28 cm., https://doi.org/10.3133/wri974140.","productDescription":"vi, 65 p. :ill., maps (some col.) ;28 cm.","costCenters":[{"id":13634,"text":"South Atlantic Water Science Center","active":true,"usgs":true}],"links":[{"id":118688,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/wri/1997/4140/report-thumb.jpg"},{"id":55617,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/wri/1997/4140/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States","state":"North Carolina","county":"Guilford County","geographicExtents":"{\"type\":\"FeatureCollection\",\"features\":[{\"type\":\"Feature\",\"geometry\":{\"type\":\"Polygon\",\"coordinates\":[[[-80.0368,36.2543],[-79.8315,36.2505],[-79.686,36.2462],[-79.532,36.2416],[-79.5362,36.023],[-79.5421,35.9001],[-79.7425,35.9084],[-79.7493,35.9084],[-79.8987,35.915],[-79.9833,35.9182],[-80.0469,35.9209],[-80.043,36.0103],[-80.0368,36.2543]]]},\"properties\":{\"name\":\"Guilford\",\"state\":\"NC\"}}]}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4aa7e4b07f02db667108","contributors":{"authors":[{"text":"Daniel, C. C. III","contributorId":71953,"corporation":false,"usgs":true,"family":"Daniel","given":"C.","suffix":"III","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":196916,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Harned, D.A.","contributorId":20331,"corporation":false,"usgs":true,"family":"Harned","given":"D.A.","email":"","affiliations":[],"preferred":false,"id":196915,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":25480,"text":"wri974205 - 1998 - Environmental setting of the San Joaquin-Tulare basins, California","interactions":[],"lastModifiedDate":"2023-03-07T21:26:04.639761","indexId":"wri974205","displayToPublicDate":"1999-04-01T00:00:00","publicationYear":"1998","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":342,"text":"Water-Resources Investigations Report","code":"WRI","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"97-4205","title":"Environmental setting of the San Joaquin-Tulare basins, California","docAbstract":"The National Water-Quality Assessment Program for the San Joaquin-Tulare Basins began in 1991 to study the effects of natural and anthropogenic influences on the quality of ground water, surface water, biology, and ecology. The San Joaquin-Tulare Basins study unit, which covers approximately 31,200 square miles in central California, is made up of the San Joaquin Valley, the eastern slope of the Coast Ranges to the west, and the western slope of the Sierra Nevada to the east. The sediments of the San Joaquin Valley can be divided into alluvial fans and basin deposits. The San Joaquin River receives water from tributaries draining the Sierra Nevada and Coast Ranges, and except for streams discharging directly to the Sacramento-San Joaquin Delta, is the only surface- water outlet from the study unit. The surface-water hydrology of the San Joaquin-Tulare Basins study unit has been significantly modified by development of water resources. Almost every major river entering the valley from the Sierra Nevada has one or more reservoirs. Almost every tributary and drainage into the San Joaquin River has been altered by a network of canals, drains, and wasteways. The Sierra Nevada is predominantly forested, and the Coast Ranges and the foothills of the Sierra Nevada are predominately rangeland. The San Joaquin Valley is dominated by agriculture, which utilized approximately 14.7 million acre-feet of water and 597 million pounds active ingredient of nitrogen and phosphorus fertilizers in 1990, and 88 million pounds active ingredient of pesticides in 1991. In addition, the livestock industry contributed 318 million pounds active ingredient of nitrogen and phosphorus from manure in 1987. This report provides the background information to assess the influence of these and other factors on water quality and to provide the foundation for the design and interpretation of all spatial data. These characterizations provide a basis for comparing the influences of human activities among basins and specific land use settings, as well as within and among study units at the national level.
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/wri974205","usgsCitation":"Gronberg, J.A., Dubrovsky, N.M., Kratzer, C.R., Domagalski, J.L., Brown, L.R., and Burow, K.R., 1998, Environmental setting of the San Joaquin-Tulare basins, California: U.S. Geological Survey Water-Resources Investigations Report 97-4205, vii, 45 p., https://doi.org/10.3133/wri974205.","productDescription":"vii, 45 p.","costCenters":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"links":[{"id":413788,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_13081.htm","linkFileType":{"id":5,"text":"html"}},{"id":54206,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/wri/1997/4205/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":118944,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/wri/1997/4205/report-thumb.jpg"}],"country":"United States","state":"California","otherGeospatial":"San Joaquin-Tulare basins","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -118,\n 34.798\n ],\n [\n -121.375,\n 34.798\n ],\n [\n -121.375,\n 38.707\n ],\n [\n -118,\n 38.707\n ],\n [\n -118,\n 34.798\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a0fe4b07f02db5fec33","contributors":{"authors":[{"text":"Gronberg, JoAnn A.","contributorId":36594,"corporation":false,"usgs":true,"family":"Gronberg","given":"JoAnn","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":193861,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Dubrovsky, Neil M. 0000-0001-7786-1149 nmdubrov@usgs.gov","orcid":"https://orcid.org/0000-0001-7786-1149","contributorId":1799,"corporation":false,"usgs":true,"family":"Dubrovsky","given":"Neil","email":"nmdubrov@usgs.gov","middleInitial":"M.","affiliations":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"preferred":true,"id":193859,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Kratzer, Charles R.","contributorId":30619,"corporation":false,"usgs":true,"family":"Kratzer","given":"Charles","email":"","middleInitial":"R.","affiliations":[{"id":595,"text":"U.S. Geological Survey","active":false,"usgs":true}],"preferred":false,"id":193860,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Domagalski, Joseph L. 0000-0002-6032-757X joed@usgs.gov","orcid":"https://orcid.org/0000-0002-6032-757X","contributorId":1330,"corporation":false,"usgs":true,"family":"Domagalski","given":"Joseph","email":"joed@usgs.gov","middleInitial":"L.","affiliations":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"preferred":true,"id":193856,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Brown, Larry R. 0000-0001-6702-4531 lrbrown@usgs.gov","orcid":"https://orcid.org/0000-0001-6702-4531","contributorId":1717,"corporation":false,"usgs":true,"family":"Brown","given":"Larry","email":"lrbrown@usgs.gov","middleInitial":"R.","affiliations":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"preferred":true,"id":193858,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Burow, Karen R. 0000-0001-6006-6667 krburow@usgs.gov","orcid":"https://orcid.org/0000-0001-6006-6667","contributorId":1504,"corporation":false,"usgs":true,"family":"Burow","given":"Karen","email":"krburow@usgs.gov","middleInitial":"R.","affiliations":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"preferred":true,"id":193857,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}} ,{"id":26887,"text":"wri984048 - 1998 - Simulation of ground-water flow, Dayton area, southwestern Ohio","interactions":[],"lastModifiedDate":"2013-08-12T12:11:47","indexId":"wri984048","displayToPublicDate":"1999-04-01T00:00:00","publicationYear":"1998","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":342,"text":"Water-Resources Investigations Report","code":"WRI","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"98-4048","title":"Simulation of ground-water flow, Dayton area, southwestern Ohio","docAbstract":"A numerical model was used simulate the regional ground-water-flow system in the Dayton area in southwestern Ohio. Ground water is the primary source of drinking water for the Dayton area. The aquifer consists of glacial sands and gravels in a buried bedrock valley. The shale bed rock in the area is poorly permeable, but the glacial deposits can yield up to 2,000 gallons per minute to wells. Interaction with surface water is an important component of the ground-water-flow system. \n\nA steady-state, three dimensional, three-layer MODFLOW model of the glacial deposits was constructed to simulate the ground-water-flow system. The modeled area encompasses about 241 mi2 in Montgomery, Greene, and Clark Counties. The model simulated steady-state conditions of September 1993 and included 187 pumped wells. Hydraulic conductivities in the model ranged from less than 1 foot per day to 450 feet per day. Simulated recharge rates ranged from 6 inches per year to 12.2 inches per year. Recharge was used in select areas to simulate inflow from the bed rock-valley walls. Measured water levels from 579 wells and streamflow gain-loss data from six river reaches were used to evaluate the model. Ninety-one percent of simulated heads were within 15 feet of the measured heads. The root-mean-square error and mean absolute difference between measured and simulated heads were 7.3 feet and 4.5 feet respectively for layer 1, 10.1 feet and 6.5 feet for layer 2, and 8.8 feet and 6.8 feet for layer 3. Recharge and river leakage accounts for 81 percent of the water entering the model; pumped wells and river leakage accounts for almost 91 percent of the ground water leaving the model. \n\nInteraction of the ground-water system and the major rivers, which include the Great Miami, Mad, Stillwater, and Little Miami Rivers, is known from previous investigations in the area; however, the model simulation indicates that the smaller streams also may have a significant local influence. The vertical hydraulic conductivity of the glacial deposits appears to have more effect on ground-water flow in some areas near the bed rock-valley walls than in the central areas of the valley. At a local scale, simulated heads in the central areas of the valley were generally insensitive to changes in aquifer parameters.\n\nThe sensitivity of the model to changes in simulated hydraulic properties of the aquifer was assessed by systematically changing model parameters in four subareas of the model. All areas of the model were sensitive to changes in recharge. Changes in other parameters, such as hydraulic conductivity or riverbed conductance, had variable effects. The sensitivity of the model can be used to indicate the types of additional hydrogeologic data that would be most useful to future investigations.","language":"ENGLISH","publisher":"U.S. Dept. of the Interior, U.S. Geological Survey ;Branch of Information Services [distributor],","doi":"10.3133/wri984048","usgsCitation":"Dumouchelle, D., 1998, Simulation of ground-water flow, Dayton area, southwestern Ohio: U.S. Geological Survey Water-Resources Investigations Report 98-4048, v, 57 p. :ill., map ;28 cm., https://doi.org/10.3133/wri984048.","productDescription":"v, 57 p. :ill., map ;28 cm.","costCenters":[],"links":[{"id":157419,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/wri/1998/4048/report-thumb.jpg"},{"id":276458,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/wri/1998/4048/report.pdf"},{"id":276459,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/wri/1998/4048/plate-1.pdf"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49f7e4b07f02db5f244e","contributors":{"authors":[{"text":"Dumouchelle, D.H.","contributorId":83144,"corporation":false,"usgs":true,"family":"Dumouchelle","given":"D.H.","affiliations":[],"preferred":false,"id":197188,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":22217,"text":"ofr98576 - 1998 - Thickness of Cenozoic deposits and location and geometry of the Las Vegas Valley shear zone, Nevada, based on gravity, seismic-reflection, and aeromagnetic data","interactions":[],"lastModifiedDate":"2022-09-09T20:59:20.047299","indexId":"ofr98576","displayToPublicDate":"1999-03-01T00:00:00","publicationYear":"1998","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":"98-576","title":"Thickness of Cenozoic deposits and location and geometry of the Las Vegas Valley shear zone, Nevada, based on gravity, seismic-reflection, and aeromagnetic data","docAbstract":"No abstract available.
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr98576","usgsCitation":"Langenheim, V., Grow, J., Miller, J.J., Davidson, J.D., and Robison, E., 1998, Thickness of Cenozoic deposits and location and geometry of the Las Vegas Valley shear zone, Nevada, based on gravity, seismic-reflection, and aeromagnetic data: U.S. Geological Survey Open-File Report 98-576, ii, 32 p., https://doi.org/10.3133/ofr98576.","productDescription":"ii, 32 p.","costCenters":[],"links":[{"id":406490,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_17834.htm","linkFileType":{"id":5,"text":"html"}},{"id":51646,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1998/0576/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":155623,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1998/0576/report-thumb.jpg"}],"country":"United States","state":"Nevada","otherGeospatial":"Las Vegas Valley shear zone","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -115.75,\n 35.75\n ],\n [\n -114,\n 35.75\n ],\n [\n -114,\n 36.75\n ],\n [\n -115.75,\n 36.75\n ],\n [\n -115.75,\n 35.75\n ]\n ]\n ]\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a55e4b07f02db62ce5d","contributors":{"authors":[{"text":"Langenheim, V.E. 0000-0003-2170-5213","orcid":"https://orcid.org/0000-0003-2170-5213","contributorId":54956,"corporation":false,"usgs":true,"family":"Langenheim","given":"V.E.","affiliations":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"preferred":false,"id":187663,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Grow, John","contributorId":63840,"corporation":false,"usgs":true,"family":"Grow","given":"John","affiliations":[],"preferred":false,"id":187664,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Miller, J. J.","contributorId":54588,"corporation":false,"usgs":true,"family":"Miller","given":"J.","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":187662,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Davidson, J. D.","contributorId":93089,"corporation":false,"usgs":true,"family":"Davidson","given":"J.","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":187665,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Robison, E.","contributorId":44580,"corporation":false,"usgs":true,"family":"Robison","given":"E.","email":"","affiliations":[],"preferred":false,"id":187661,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":22133,"text":"ofr98297 - 1998 - Science for watershed decisions on abandoned mine lands; review of preliminary results, Denver, Colorado, February 4-5, 1998","interactions":[],"lastModifiedDate":"2020-03-02T19:57:58","indexId":"ofr98297","displayToPublicDate":"1999-03-01T00:00:00","publicationYear":"1998","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":"98-297","title":"Science for watershed decisions on abandoned mine lands; review of preliminary results, Denver, Colorado, February 4-5, 1998","docAbstract":"From the Preface: There are thousands of abandoned or inactive mines on or adjacent to public lands administered by the U.S. Forest Service, Bureau of Land Management, and National Park Service. Mine wastes from many of these abandoned mines adversely affect resources on public lands. In 1995, an interdepartmental work group within the Federal government developed a strategy to address remediation of the many abandoned mines on public lands. This strategy is based on using a watershed approach to address the abandoned mine lands (AML) problem. The USGS, working closely with the Federal land-management agencies (FLMAs), is key for the success of this watershed approach.\r\n\r\nIn support of this watershed approach, the USGS developed an AML Initiative with pilot studies in the Boulder River in Montana and the Animas River in Colorado. The goal of these studies is to design and implement a reliable strategy that will supply the scientific information to the FLMAs so that land managers can develop efficient and cost-effective remediation of AML.\r\n\r\nThe symposium 'Science for Watershed Decisions on Abandoned Mine Lands: Review of Preliminary Results' held in Denver, Colorado, on February 4-5, 1998, provided the FLMAs a first look at the techniques, data, and interpretations being generated by the USGS pilot studies. This multidisciplined effort already is proving very valuable to land managers in making science-based AML cleanup decisions and will continue to be of increasing value as additional and more complete information is obtained. Ongoing interaction between scientists and land managers is essential to insure the efficient continuation and success of AML cleanup efforts.\r\n","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr98297","issn":"0094-9140","usgsCitation":"Nimick, D.A., and Von Guerard, P., 1998, Science for watershed decisions on abandoned mine lands; review of preliminary results, Denver, Colorado, February 4-5, 1998 (Version 1.0): U.S. Geological Survey Open-File Report 98-297, vii, 71 p., https://doi.org/10.3133/ofr98297.","productDescription":"vii, 71 p.","temporalStart":"1998-02-04","temporalEnd":"1998-02-05","costCenters":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true},{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":154975,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1998/0297/report-thumb.jpg"},{"id":9167,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/1998/0297/","linkFileType":{"id":5,"text":"html"}},{"id":51582,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1998/0297/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States","state":"Colorado","city":"Denver","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -105.30670166015625,\n 39.429828885207755\n ],\n [\n -104.62554931640625,\n 39.429828885207755\n ],\n [\n -104.62554931640625,\n 40.0507451947963\n ],\n [\n -105.30670166015625,\n 40.0507451947963\n ],\n [\n -105.30670166015625,\n 39.429828885207755\n ]\n ]\n ]\n }\n }\n ]\n}","edition":"Version 1.0","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a0de4b07f02db5fd2cd","contributors":{"authors":[{"text":"Nimick, David A. dnimick@usgs.gov","contributorId":421,"corporation":false,"usgs":true,"family":"Nimick","given":"David","email":"dnimick@usgs.gov","middleInitial":"A.","affiliations":[{"id":5050,"text":"WY-MT Water Science Center","active":true,"usgs":true},{"id":573,"text":"Special Applications Science Center","active":true,"usgs":true}],"preferred":true,"id":187255,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Von Guerard, Paul","contributorId":40620,"corporation":false,"usgs":true,"family":"Von Guerard","given":"Paul","affiliations":[],"preferred":false,"id":187256,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":6118,"text":"pp1604 - 1998 - Hydrologic classification and estimation of basin and hydrologic characteristics of subbasins in central Idaho","interactions":[],"lastModifiedDate":"2017-03-02T11:18:19","indexId":"pp1604","displayToPublicDate":"1999-03-01T00:00:00","publicationYear":"1998","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":331,"text":"Professional Paper","code":"PP","onlineIssn":"2330-7102","printIssn":"1044-9612","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"1604","title":"Hydrologic classification and estimation of basin and hydrologic characteristics of subbasins in central Idaho","docAbstract":"Hydrologic data for streams and associated subbasins within the Salmon and Clearwater river basins were analyzed to support instream flow claims by the Bureau of Indian Affairs on behalf of the Nez Perce Indian Tribe. A geographic information system was used to construct a data base of basin characteristics for 1,050 subbasins. Descriptive variables were used to classify these subbasins and compute estimates of flow characteristics.","language":"ENGLISH","publisher":"U.S. Dept. of the Interior, U.S. Geological Survey ;\r\nInformation Services [distributor],","doi":"10.3133/pp1604","usgsCitation":"Lipscomb, S.W., 1998, Hydrologic classification and estimation of basin and hydrologic characteristics of subbasins in central Idaho: U.S. Geological Survey Professional Paper 1604, 49 p.; 1 plate and 1 3 1/2 inch HD/DS DOS-compatible diskette, https://doi.org/10.3133/pp1604.","productDescription":"49 p.; 1 plate and 1 3 1/2 inch HD/DS DOS-compatible diskette","costCenters":[],"links":[{"id":336794,"rank":5,"type":{"id":7,"text":"Companion Files"},"url":"https://pubs.usgs.gov/pp/1604/pp1604.zip","text":"Floppy disc","linkFileType":{"id":6,"text":"zip"}},{"id":108394,"rank":700,"type":{"id":15,"text":"Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_13259.htm","linkFileType":{"id":5,"text":"html"},"description":"13259"},{"id":126490,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/pp/1604/report-thumb.jpg"},{"id":33174,"rank":400,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/pp/1604/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":33175,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/pp/1604/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a29e4b07f02db611705","contributors":{"authors":[{"text":"Lipscomb, Stephen W.","contributorId":84753,"corporation":false,"usgs":true,"family":"Lipscomb","given":"Stephen","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":152148,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":23854,"text":"ofr98580 - 1998 - Evaluation of faults and their effect on ground-water flow southwest of Frenchman Flat, Nye and Clark counties, Nevada: a digital database","interactions":[],"lastModifiedDate":"2023-06-09T15:52:17.744785","indexId":"ofr98580","displayToPublicDate":"1999-03-01T00:00:00","publicationYear":"1998","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":"98-580","title":"Evaluation of faults and their effect on ground-water flow southwest of Frenchman Flat, Nye and Clark counties, Nevada: a digital database","docAbstract":"Ground-water flow through the region south and west of Frenchman Flat, in the Ash Meadows subbasin of the Death Valley ground-water flow system, is controlled mostly by faults which arrange the distribution of permeable and impermeable rocks. In addition, most permeability is along fractures caused by faulting in carbonate rocks. Large faults are more likely to reach the potentiometric surface as deep as 325 meters below the ground surface and are more likely to effect the flow path than small faults. This study concentrated on identifying large faults, especially where they cut carbonate rocks. Small faults, however, may develop as much permeability as large faults if they are penetrative and are part of an anastomosing fault_zone. The overall pattern of faults and joints at the ground surface in the Spotted and Specter Ranges is an indication of the fracture system at the depth of the water table. Most of the faults in these ranges are west-southwest-striking, high-angle faults, 100 to 3,500 meters long, with 10 to 300 meters of displacement. Many of them, such as those in the Spotted Range and Rock Valley are left-lateral strike-slip faults that are conjugate to the NW-striking right-lateral faults of the Las Vegas Valley shear zone. These faults control the ground-water flow path, which runs west-southwest beneath the Spotted Range, Mercury Valley and the Specter Range.
The Specter Range thrust is a significant geologic structure with respect to ground- water flow. This regional thrust fault emplaces siliceous clastic strata into the north central and western parts of the Specter Range. These rocks act as a barrier that confines ground- water flow to the southern part of the range, directing it southwestward toward springs at Ash Meadows. These siliceous clastic aquitard rocks and overlying Cenozoic deposits probably also block westward flow of ground-water in Rock Valley, diverting it southward to the flow path beneath the southern part of the Specter Range.
","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Menlo Park, CA","doi":"10.3133/ofr98580","issn":"0094-9140","collaboration":"Prepared in cooperation with the Nevada Operations Office, U.S. Department of Energy","usgsCitation":"McKee, E.H., Wickham, T.A., and Wheeler, K.L., 1998, Evaluation of faults and their effect on ground-water flow southwest of Frenchman Flat, Nye and Clark counties, Nevada: a digital database: U.S. Geological Survey Open-File Report 98-580, Report: 14 p.; Readme; Geologic explanation: HTML page, txt file; Database: TAR.GZ; 5 Figures: PostScript files, https://doi.org/10.3133/ofr98580.","productDescription":"Report: 14 p.; Readme; Geologic explanation: HTML page, txt file; Database: TAR.GZ; 5 Figures: PostScript files","numberOfPages":"14","additionalOnlineFiles":"Y","costCenters":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"links":[{"id":291220,"rank":9,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/ofr98580.jpg"},{"id":291219,"rank":8,"type":{"id":20,"text":"Read Me"},"url":"https://pubs.usgs.gov/of/1998/0580/readme.txt"},{"id":284771,"rank":3,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1998/0580/images/fig4.ps"},{"id":284768,"rank":4,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1998/0580/images/fig3.ps"},{"id":284773,"rank":5,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1998/0580/images/fig5.ps"},{"id":284765,"rank":6,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1998/0580/images/fig2.ps"},{"id":284759,"rank":2,"type":{"id":9,"text":"Database"},"url":"https://pubs.usgs.gov/of/1998/0580/frofr.tar.gz"},{"id":284758,"rank":1,"type":{"id":7,"text":"Companion Files"},"url":"https://pubs.usgs.gov/of/1998/0580/frnc.html"},{"id":284763,"rank":7,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1998/0580/images/fig1.ps"},{"id":53075,"rank":11,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1998/0580/pdf/of98-580.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":1577,"rank":10,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/1998/0580/index.html","linkFileType":{"id":5,"text":"html"}}],"country":"United States","state":"Nevada","county":"Clark County, Nye County","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -117.9439,35.0019 ], [ -117.9439,38.5146 ], [ -114.0468,38.5146 ], [ -114.0468,35.0019 ], [ -117.9439,35.0019 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"53cd585ae4b0b290850f80b6","contributors":{"authors":[{"text":"McKee, Edwin H. mckee@usgs.gov","contributorId":3728,"corporation":false,"usgs":true,"family":"McKee","given":"Edwin","email":"mckee@usgs.gov","middleInitial":"H.","affiliations":[],"preferred":true,"id":190863,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Wickham, Thomas A.","contributorId":24603,"corporation":false,"usgs":true,"family":"Wickham","given":"Thomas","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":190864,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Wheeler, Karen L. kwheeler@usgs.gov","contributorId":3404,"corporation":false,"usgs":true,"family":"Wheeler","given":"Karen","email":"kwheeler@usgs.gov","middleInitial":"L.","affiliations":[],"preferred":true,"id":190862,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":21770,"text":"ofr98624 - 1998 - EPA method 1312 (synthetic precipitation leaching procedure); leachate chemistry data for solid mine waste composite samples from Silverton and Leadville, Colorado","interactions":[{"subject":{"id":21770,"text":"ofr98624 - 1998 - EPA method 1312 (synthetic precipitation leaching procedure); leachate chemistry data for solid mine waste composite samples from Silverton and Leadville, Colorado","indexId":"ofr98624","publicationYear":"1998","noYear":false,"title":"EPA method 1312 (synthetic precipitation leaching procedure); leachate chemistry data for solid mine waste composite samples from Silverton and Leadville, Colorado"},"predicate":"SUPERSEDED_BY","object":{"id":22239,"text":"ofr2000150 - 2000 - Update and revisions for Open-File Report 98-624, synthetic precipitation leaching procedure (SPLP) leachate chemistry data for solid mine-waste composite samples from the Silverton and Leadville districts in Colorado","indexId":"ofr2000150","publicationYear":"2000","noYear":false,"title":"Update and revisions for Open-File Report 98-624, synthetic precipitation leaching procedure (SPLP) leachate chemistry data for solid mine-waste composite samples from the Silverton and Leadville districts in Colorado"},"id":1}],"supersededBy":{"id":22239,"text":"ofr2000150 - 2000 - Update and revisions for Open-File Report 98-624, synthetic precipitation leaching procedure (SPLP) leachate chemistry data for solid mine-waste composite samples from the Silverton and Leadville districts in Colorado","indexId":"ofr2000150","publicationYear":"2000","noYear":false,"title":"Update and revisions for Open-File Report 98-624, synthetic precipitation leaching procedure (SPLP) leachate chemistry data for solid mine-waste composite samples from the Silverton and Leadville districts in Colorado"},"lastModifiedDate":"2022-04-28T20:11:47.860527","indexId":"ofr98624","displayToPublicDate":"1999-03-01T00:00:00","publicationYear":"1998","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":"98-624","title":"EPA method 1312 (synthetic precipitation leaching procedure); leachate chemistry data for solid mine waste composite samples from Silverton and Leadville, Colorado","docAbstract":"The EPA Method 1312 Synthetic Precipitation Leaching Procedure (SPLP) leachate chemistry data for mine waste samples is presented. Four mine waste composite samples were collected from Silverton (YUK and MAY) and Leadville (SUN and VEN), Colorado and were extracted following the EPA Method 1312 procedure. Leachate pH values ranged from 2.68 to 3.37 and the samples were ranked by increasing pH: VEN < SUN < YUK < MAY. Specific conductivity values ranged from 203 µS to 1080 µS and the samples were ranked by increasing specific conductivity: MAY < YUK < SUN < VEN. For selected metal concentrations, no consistent pattern presented itself. MAY is the sample that typically has the lowest metal concentrations with the exception of nickel, zinc, and lead. The samples had SPLP leachate concentrations below the EPA Method 1311 Toxicity Characteristic Leaching Procedure (TCLP) regulatory levels.
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr98624","usgsCitation":"Montour, M.R., Hageman, P., Meier, A.L., Theodorakos, P., and Briggs, P., 1998, EPA method 1312 (synthetic precipitation leaching procedure); leachate chemistry data for solid mine waste composite samples from Silverton and Leadville, Colorado: U.S. Geological Survey Open-File Report 98-624, ii, 24 p., https://doi.org/10.3133/ofr98624.","productDescription":"ii, 24 p.","costCenters":[],"links":[{"id":399849,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1998/0624/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":154528,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1998/0624/report-thumb.jpg"}],"country":"United States","state":"Colorado","city":"Leadville, Silverton","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -107.99560546875,\n 39.21523130910491\n ],\n [\n -107.99560546875,\n 39.21523130910491\n ],\n [\n -107.984619140625,\n 39.21523130910491\n ],\n [\n -107.984619140625,\n 39.21523130910491\n ],\n [\n -107.99560546875,\n 39.21523130910491\n ]\n ]\n ]\n }\n },\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -107.95166015624999,\n 37.18657859524883\n ],\n [\n -105.62255859375,\n 37.18657859524883\n ],\n [\n -105.62255859375,\n 39.223742741391305\n ],\n [\n -107.95166015624999,\n 39.223742741391305\n ],\n [\n -107.95166015624999,\n 37.18657859524883\n ]\n ]\n ]\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a54e4b07f02db62c316","contributors":{"authors":[{"text":"Montour, Maria R. 0000-0002-7834-9005 mmontour@usgs.gov","orcid":"https://orcid.org/0000-0002-7834-9005","contributorId":5032,"corporation":false,"usgs":true,"family":"Montour","given":"Maria","email":"mmontour@usgs.gov","middleInitial":"R.","affiliations":[{"id":171,"text":"Central Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":185605,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hageman, P. L. 0000-0002-3440-2150","orcid":"https://orcid.org/0000-0002-3440-2150","contributorId":27459,"corporation":false,"usgs":true,"family":"Hageman","given":"P. L.","affiliations":[],"preferred":false,"id":185604,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Meier, A. L.","contributorId":81480,"corporation":false,"usgs":true,"family":"Meier","given":"A.","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":185606,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Theodorakos, Peter","contributorId":24808,"corporation":false,"usgs":true,"family":"Theodorakos","given":"Peter","affiliations":[],"preferred":false,"id":185603,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Briggs, Paul H.","contributorId":107691,"corporation":false,"usgs":true,"family":"Briggs","given":"Paul H.","affiliations":[],"preferred":false,"id":185607,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":23383,"text":"ofr98579_1998 - 1998 - Indirect ground-water discharge to the Great Lakes","interactions":[],"lastModifiedDate":"2016-10-06T16:09:53","indexId":"ofr98579_1998","displayToPublicDate":"1999-03-01T00:00:00","publicationYear":"1998","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":"98-579","title":"Indirect ground-water discharge to the Great Lakes","docAbstract":"Estimates of the average ground-water component of streamflow for 195 streams in the United States part of the Great Lakes Basin range from 25 to 97 percent. Among the selected streams, the average ground-water component of streamflow was 67.3 percent. Estimates of the ground-water component of streamflow are based on hydrograph separation of 5,735 years of daily streamflow data. Incorporation of these estimates into the basin water supply for the Great Lakes shows that indirect discharge of ground water to the Great Lakes ranges from 22 percent of the basin water supply of Lake Erie to 42 percent of the basin water supply for Lake Ontario.","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ofr98579_1998","issn":"0094-9140","collaboration":"Prepared in cooperation with Great Lakes Protection Fund","usgsCitation":"Holtschlag, D.J., and Nicholas, J., 1998, Indirect ground-water discharge to the Great Lakes: U.S. Geological Survey Open-File Report 98-579, ii, 25 p., https://doi.org/10.3133/ofr98579_1998.","productDescription":"ii, 25 p.","numberOfPages":"30","costCenters":[{"id":382,"text":"Michigan Water Science Center","active":true,"usgs":true}],"links":[{"id":156984,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/ofr98579_1998.JPG"},{"id":284884,"type":{"id":11,"text":"Document"},"url":"https://mi.water.usgs.gov/pdf/glpf.pdf"},{"id":1712,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://mi.water.usgs.gov/reports/Holtschlag14.html","linkFileType":{"id":5,"text":"html"}}],"country":"United States","otherGeospatial":"Great Lakes","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -92.11,41.4 ], [ -92.11,48.85 ], [ -76.3,48.85 ], [ -76.3,41.4 ], [ -92.11,41.4 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"53cd6264e4b0b290850fe250","contributors":{"authors":[{"text":"Holtschlag, David J. 0000-0001-5185-4928 dholtschlag@usgs.gov","orcid":"https://orcid.org/0000-0001-5185-4928","contributorId":5447,"corporation":false,"usgs":true,"family":"Holtschlag","given":"David","email":"dholtschlag@usgs.gov","middleInitial":"J.","affiliations":[{"id":382,"text":"Michigan Water Science Center","active":true,"usgs":true}],"preferred":true,"id":190010,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Nicholas, J.R.","contributorId":26673,"corporation":false,"usgs":true,"family":"Nicholas","given":"J.R.","email":"","affiliations":[],"preferred":false,"id":190011,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":24406,"text":"ofr98560 - 1998 - Data-collection methods used in the Demonstration Erosion Control Project in the Yazoo River Basin, north-central Mississippi, July 1985-September 1997","interactions":[],"lastModifiedDate":"2012-02-02T00:08:16","indexId":"ofr98560","displayToPublicDate":"1999-03-01T00:00:00","publicationYear":"1998","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":"98-560","title":"Data-collection methods used in the Demonstration Erosion Control Project in the Yazoo River Basin, north-central Mississippi, July 1985-September 1997","language":"ENGLISH","publisher":"U.S. Geological Survey ;\r\nBranch of Information Services [distributor],","doi":"10.3133/ofr98560","issn":"0094-9140","usgsCitation":"Runner, M., and Roberts, B., 1998, Data-collection methods used in the Demonstration Erosion Control Project in the Yazoo River Basin, north-central Mississippi, July 1985-September 1997: U.S. Geological Survey Open-File Report 98-560, iii, 9 p. :map ;28 cm., https://doi.org/10.3133/ofr98560.","productDescription":"iii, 9 p. :map ;28 cm.","costCenters":[],"links":[{"id":156788,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1998/0560/report-thumb.jpg"},{"id":53495,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1998/0560/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4abde4b07f02db67443f","contributors":{"authors":[{"text":"Runner, M.S.","contributorId":28630,"corporation":false,"usgs":true,"family":"Runner","given":"M.S.","email":"","affiliations":[],"preferred":false,"id":191870,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Roberts, B.A.","contributorId":97143,"corporation":false,"usgs":true,"family":"Roberts","given":"B.A.","email":"","affiliations":[],"preferred":false,"id":191871,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":66029,"text":"i2556 - 1998 - Geologic map of part of the Tyrrhena Patera region of Mars (MTM Quadrangle-20252)","interactions":[],"lastModifiedDate":"2023-06-28T11:23:05.706608","indexId":"i2556","displayToPublicDate":"1999-03-01T00:00:00","publicationYear":"1998","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":"2556","title":"Geologic map of part of the Tyrrhena Patera region of Mars (MTM Quadrangle-20252)","docAbstract":"Mars Transverse Mercator (MTM) -20252 quadrangle contains the volcano Tyrrhena Patera, a low, broad structure that has summit depressions and is dissected by prominent radial channels (fig. 1). Tyrrhena Patera is surrounded by cratered plains materials on the western edge of Hesperia Planum, ~2,000 km northeast of the center of the Hellas basin (Greeley and Guest, 1987; U. S. Geological Survey, 1991). On the basis of Mariner 9 data, Tyrrhena Patera was interpreted to be a shield volcano, composed of fluid basic or ultrabasic lavas (Peterson, 1978; Pike, 1978). Analysis of Viking Orbiter images led Greeley and Spudis (1981) to suggest that Tyrrhena Patera comprises pyroclastic deposits produced by explosive hydromagmatic eruption; Greeley and Crown (1990) support a pyroclastic origin for Tyrrhena Patera shield materials and assess several eruption styles for the volcano (see also Crown and Greeley, 1993).
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/i2556","isbn":"0607917830","usgsCitation":"Gregg, T., Crown, D., and Greeley, R., 1998, Geologic map of part of the Tyrrhena Patera region of Mars (MTM Quadrangle-20252): U.S. Geological Survey IMAP 2556, 1 Plate: 65.40 × 54.75 inches, https://doi.org/10.3133/i2556.","productDescription":"1 Plate: 65.40 × 54.75 inches","costCenters":[],"links":[{"id":187241,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":101319,"rank":2,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/imap/2556/plate-1.pdf","size":"15748","linkFileType":{"id":1,"text":"pdf"}}],"scale":"502000","otherGeospatial":"Mars, Tyrrhena Patera","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b12e4b07f02db6a27f7","contributors":{"authors":[{"text":"Gregg, T.K.P.","contributorId":72658,"corporation":false,"usgs":true,"family":"Gregg","given":"T.K.P.","email":"","affiliations":[],"preferred":false,"id":273882,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Crown, D.A.","contributorId":107918,"corporation":false,"usgs":true,"family":"Crown","given":"D.A.","email":"","affiliations":[],"preferred":false,"id":273883,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Greeley, Ronald","contributorId":20833,"corporation":false,"usgs":true,"family":"Greeley","given":"Ronald","email":"","affiliations":[],"preferred":false,"id":273881,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":6139,"text":"pp1587 - 1998 - Water quality assessment of the San Joaquin-Tulare basins, California: Analysis of available data on nutrients and suspended sediment in surface water, 1972-1990","interactions":[],"lastModifiedDate":"2024-12-03T22:00:14.570488","indexId":"pp1587","displayToPublicDate":"1999-03-01T00:00:00","publicationYear":"1998","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":331,"text":"Professional Paper","code":"PP","onlineIssn":"2330-7102","printIssn":"1044-9612","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"1587","title":"Water quality assessment of the San Joaquin-Tulare basins, California: Analysis of available data on nutrients and suspended sediment in surface water, 1972-1990","docAbstract":"Nutrients and suspended sediment in surface water of the San Joaquin-Tulare basins in California were assessed using 1972-1990 data from the U.S. Geological Survey's National Water Information System and the U.S. Environmental Protection Agency's STOrage and RETrieval database. Loads of nutrients and suspended sediment were calculated at several sites and the contributions from point and nonpoint sources were estimated. Trends in nutrient and suspended-sediment concentrations were evaluated at several sites, especially at the basin outlet on the San Joaquin River. Comparisons of nutrient and suspended sediment concentrations were made among three environmental settings: the San Joaquin Valley-west side, the San Joaquin Valley-east side, and the Sierra Nevada.
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/pp1587","usgsCitation":"Kratzer, C.R., and Shelton, J.L., 1998, Water quality assessment of the San Joaquin-Tulare basins, California: Analysis of available data on nutrients and suspended sediment in surface water, 1972-1990: U.S. Geological Survey Professional Paper 1587, ix, 92 p., https://doi.org/10.3133/pp1587.","productDescription":"ix, 92 p.","costCenters":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"links":[{"id":410012,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_16280.htm","linkFileType":{"id":5,"text":"html"}},{"id":33214,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/pp/1587/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":124640,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/pp/1587/report-thumb.jpg"}],"country":"United States","state":"California","otherGeospatial":"San Joaquin-Tulare basins","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -121.542,\n 38.711\n ],\n [\n -121.542,\n 34.778\n ],\n [\n -118,\n 34.778\n ],\n [\n -118,\n 38.711\n ],\n [\n -121.542,\n 38.711\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a07e4b07f02db5f9b18","contributors":{"authors":[{"text":"Kratzer, Charles R.","contributorId":30619,"corporation":false,"usgs":true,"family":"Kratzer","given":"Charles","email":"","middleInitial":"R.","affiliations":[{"id":595,"text":"U.S. Geological Survey","active":false,"usgs":true}],"preferred":false,"id":152186,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Shelton, Jennifer L. 0000-0001-8508-0270 jshelton@usgs.gov","orcid":"https://orcid.org/0000-0001-8508-0270","contributorId":1155,"corporation":false,"usgs":true,"family":"Shelton","given":"Jennifer","email":"jshelton@usgs.gov","middleInitial":"L.","affiliations":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"preferred":true,"id":152185,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":23487,"text":"ofr98753 - 1998 - Accounting for cyanide and its degradation products at three Nevada gold mines; constraints from stable C- and N-isotopes","interactions":[],"lastModifiedDate":"2012-02-02T00:08:15","indexId":"ofr98753","displayToPublicDate":"1999-03-01T00:00:00","publicationYear":"1998","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":"98-753","title":"Accounting for cyanide and its degradation products at three Nevada gold mines; constraints from stable C- and N-isotopes","docAbstract":"An understanding of the fate of cyanide (CN-) in mine process waters is important for\r\naddressing environmental concerns and for taking steps to minimize reagent costs. The utility of\r\nstable isotope methods in identifying cyanide loss pathways has been investigated in case studies at\r\nthree Nevada gold mines.\r\nFreshly prepared barren solutions at the mines have cyanide d15N and d13C values\r\naveraging -4 ? and -36 ?, respectively, reflecting the nitrogen and carbon sources used by\r\ncommercial manufacturers, air and natural gas methane. Pregnant solutions returning from ore\r\nheaps display small isotopic shifts to lower d15N and d13C values. The shifts are similar to those\r\nobserved in laboratory experiments where cyanide was progressively precipitated as a\r\ncyanometallic compound, and are opposite in sign and much smaller in magnitude than the shifts\r\nobserved in experiments where HCN was offgassed. Offgassing is inferred to be a minor cyanide\r\nloss mechanism in the heap leach operations at the three mines, and precipitation as cyanometallic\r\ncompounds, and possibly coprecipitation with ferric oxides, is inferred to be an important loss\r\nmechanism.\r\nIsotopic analysis of dissolved inorganic carbon (DIC) shows that uptake of high d13C air\r\nCO2 has been important in many barren and pregnant solutions. However, DIC in reclaim pond\r\nwaters at all three mines has low d13C values of -28 to -34 ? indicating cyanide breakdown either\r\nby hydrolysis or by other chemical pathways that break the C-N bond. Isotope mass balance\r\ncalculations indicate that about 40 % of the DIC load in the ponds, at a minimum, was derived\r\nfrom cyanide breakdown. This level of cyanide hydrolysis accounts for 14-100 % of the dissolved\r\ninorganic nitrogen species present in the ponds. Overall, isotope data provide quantitative evidence\r\nthat only minor amounts of cyanide are lost via offgassing and that significant amounts are\r\ndestroyed via hydrolysis and related pathways. The data also highlight the possibility that\r\nsignificant cyanide may be either retained in the ore heaps or destroyed via other chemical\r\npathways.","language":"ENGLISH","publisher":"U.S. Geological Survey,","doi":"10.3133/ofr98753","issn":"0094-9140","usgsCitation":"Johnson, C.A., Grimes, D.J., and Rye, R.O., 1998, Accounting for cyanide and its degradation products at three Nevada gold mines; constraints from stable C- and N-isotopes: U.S. Geological Survey Open-File Report 98-753, 16 p. :ill. ;28 cm., https://doi.org/10.3133/ofr98753.","productDescription":"16 p. :ill. ;28 cm.","costCenters":[],"links":[{"id":1796,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/1998/ofr-98-0753/","linkFileType":{"id":5,"text":"html"}},{"id":156875,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b13e4b07f02db6a3600","contributors":{"authors":[{"text":"Johnson, C. A. 0000-0002-1334-2996","orcid":"https://orcid.org/0000-0002-1334-2996","contributorId":27492,"corporation":false,"usgs":true,"family":"Johnson","given":"C.","middleInitial":"A.","affiliations":[],"preferred":false,"id":190190,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Grimes, D. J.","contributorId":73575,"corporation":false,"usgs":true,"family":"Grimes","given":"D.","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":190192,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Rye, R. O.","contributorId":66208,"corporation":false,"usgs":true,"family":"Rye","given":"R.","email":"","middleInitial":"O.","affiliations":[],"preferred":false,"id":190191,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":38256,"text":"pp1404H - 1998 - Ground-water flow in the New Jersey Coastal Plain","interactions":[{"subject":{"id":19992,"text":"ofr87528 - 1990 - Ground-water flow in the New Jersey coastal plain","indexId":"ofr87528","publicationYear":"1990","noYear":false,"title":"Ground-water flow in the New Jersey coastal plain"},"predicate":"SUPERSEDED_BY","object":{"id":38256,"text":"pp1404H - 1998 - Ground-water flow in the New Jersey Coastal Plain","indexId":"pp1404H","publicationYear":"1998","noYear":false,"chapter":"H","title":"Ground-water flow in the New Jersey Coastal Plain"},"id":1}],"lastModifiedDate":"2025-04-17T19:42:28.024853","indexId":"pp1404H","displayToPublicDate":"1999-03-01T00:00:00","publicationYear":"1998","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":331,"text":"Professional Paper","code":"PP","onlineIssn":"2330-7102","printIssn":"1044-9612","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"1404","chapter":"H","title":"Ground-water flow in the New Jersey Coastal Plain","docAbstract":"Ground-water flow in 10 aquifers and 9 intervening confining units of the New Jersey Coastal Plain was simulated as part of the Regional Aquifer System Analysis. Data on aquifer and confining unit characteristics and on pumpage and water levels from 1918 through 1980 were incorporated into a multilayer finite-difference model. The report describes the conceptual hydrogeologic model of the unstressed flow systems, the methods and approach used in simulating flow, and the results of the simulations.","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/pp1404H","usgsCitation":"Martin, M., 1998, Ground-water flow in the New Jersey Coastal Plain: U.S. Geological Survey Professional Paper 1404, 146 p., https://doi.org/10.3133/pp1404H.","productDescription":"146 p.","costCenters":[],"links":[{"id":484737,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_13260.htm","linkFileType":{"id":5,"text":"html"}},{"id":64633,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/pp/1404h/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":123505,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/pp/1404h/report-thumb.jpg"}],"country":"United States","state":"Delaware, New Jersey","otherGeospatial":"New Jersey Coastal Plain","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -75.817,\n 40.55\n ],\n [\n -75.817,\n 38.458\n ],\n [\n -73.467,\n 38.458\n ],\n [\n -73.467,\n 40.55\n ],\n [\n -75.817,\n 40.55\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4aaee4b07f02db66c78f","contributors":{"authors":[{"text":"Martin, Mary","contributorId":7290,"corporation":false,"usgs":true,"family":"Martin","given":"Mary","affiliations":[],"preferred":false,"id":219434,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":23227,"text":"ofr98394 - 1998 - Data Quality Objectives and Criteria for Basic Information, Acceptable Uncertainty, and Quality-Assurance and Quality-Control Documentation","interactions":[],"lastModifiedDate":"2012-03-08T17:16:14","indexId":"ofr98394","displayToPublicDate":"1999-02-01T00:00:00","publicationYear":"1998","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":"98-394","title":"Data Quality Objectives and Criteria for Basic Information, Acceptable Uncertainty, and Quality-Assurance and Quality-Control Documentation","docAbstract":"The Federal Highway Administration and State transportation agencies have the responsibility of determining and minimizing the effects of highway runoff on water quality; therefore, they have been conducting an extensive program of water-quality monitoring and research during the last 25 years. The objectives and monitoring goals of highway runoff studies have been diverse, because the highway community must address many different questions about the characteristics and impacts of highway runoff. The Federal Highway Administration must establish that available data and procedures that are used to assess and predict pollutant loadings and impacts from highway stormwater runoff are valid, current, and technically supportable.\r\n\r\nThis report examines criteria for evaluating water-quality data and resultant interpretations. The criteria used to determine if data are valid (useful for intended purposes), current, and technically supportable are derived from published materials from the Federal Highway Administration, the U.S. Environmental Protection Agency, the Intergovernmental Task Force on Monitoring Water Quality, the U.S. Geological Survey and from technical experts throughout the U.S. Geological Survey.\r\n\r\nWater-quality data that are documented to be meaningful, representative, complete, precise, accurate, comparable, and admissible as legal evidence will meet the scientific, engineering, and regulatory needs of highway agencies. Documentation of basic information, such as compatible monitoring objectives and program design features; metadata (when, where, and how data were collected as well as who collected and analyzed the data); ancillary information (explanatory variables and study-site characteristics); and legal requirements are needed to evaluate data. Documentation of sufficient quality-assurance and quality-control information to establish the quality and uncertainty in the data and interpretations also are needed to determine the comparability and utility of data sets for intended uses. The fact that a program's data may not meet screening criteria for a national synthesis does not mean that the data are not useful for meeting that program's objectives or that they could not be used for water-quality studies with different objectives.","language":"ENGLISH","publisher":"U.S. Dept. of the Interior, U.S. Geological Survey ;Branch of Information Services [distributor],","doi":"10.3133/ofr98394","issn":"0094-9140","collaboration":"Prepared in cooperation with the Federal Highway Administration","usgsCitation":"Granato, G., Bank, F.G., and Cazenas, P.A., 1998, Data Quality Objectives and Criteria for Basic Information, Acceptable Uncertainty, and Quality-Assurance and Quality-Control Documentation: U.S. Geological Survey Open-File Report 98-394, vi, 17 p., https://doi.org/10.3133/ofr98394.","productDescription":"vi, 17 p.","costCenters":[{"id":377,"text":"Massachusetts-Rhode Island Water Science Center","active":false,"usgs":true}],"links":[{"id":155351,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":9461,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/1998/ofr98-394/","linkFileType":{"id":5,"text":"html"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ac9e4b07f02db67ca74","contributors":{"authors":[{"text":"Granato, Gregory E. 0000-0002-2561-9913 ggranato@usgs.gov","orcid":"https://orcid.org/0000-0002-2561-9913","contributorId":1692,"corporation":false,"usgs":true,"family":"Granato","given":"Gregory E.","email":"ggranato@usgs.gov","affiliations":[{"id":466,"text":"New England Water Science Center","active":true,"usgs":true}],"preferred":false,"id":189678,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Bank, Fred G.","contributorId":90769,"corporation":false,"usgs":true,"family":"Bank","given":"Fred","email":"","middleInitial":"G.","affiliations":[],"preferred":false,"id":189680,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Cazenas, Patricia A.","contributorId":61854,"corporation":false,"usgs":true,"family":"Cazenas","given":"Patricia","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":189679,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":5168,"text":"fs10398 - 1998 - Monitoring of Selected Water-Quality Constituents Near the Freshwater/Saline-Water Interface of the Edwards Aquifer, July 1996-December 1997","interactions":[],"lastModifiedDate":"2018-07-07T18:17:52","indexId":"fs10398","displayToPublicDate":"1999-02-01T00:00:00","publicationYear":"1998","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":313,"text":"Fact Sheet","code":"FS","onlineIssn":"2327-6932","printIssn":"2327-6916","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"103-98","title":"Monitoring of Selected Water-Quality Constituents Near the Freshwater/Saline-Water Interface of the Edwards Aquifer, July 1996-December 1997","docAbstract":"The Edwards aquifer is the sole source of water for about 1.3 million people in and near San Antonio, Texas, as well as for ranchers and farmers throughout south-central Texas. Because of the demand for this resource, various studies have been conducted to better understand the Edwards aquifer and how the aquifer reacts to environmental changes and human influences. In July 1996, the U.S. Geological Survey (USGS), in cooperation with the Edwards Aquifer Research and Data Center (EARDC) at Southwest Texas State University (SWTSU) and the Texas Water Development Board (TWDB), began a study to investigate possible changes in water quality of the Edwards aquifer near the freshwater/saline-water interface that might result if drought occurs. The continuing study is part of the USGS National WaterQuality Assessment (NAWQA) Program in south-central Texas. The freshwater/saline-water interface, known locally as the “bad-water line,” marks the beginning of the transition in the aquifer from freshwater (updip) to saline water (downdip). The interface is defined as the 1,000-milligram-per-liter (mg/L) line of equal dissolved solids concentration as delineated by Maclay and others (1980, fig. 7). Water in the freshwater zone of the Edwards aquifer tends to have dissolved solids concentrations of 250 to 300 mg/L (Pavlicek and others, 1987, p. 3). In contrast, water in the saline-water zone of the Edwards aquifer commonly has dissolved solids concentrations greater than 10,000 mg/L, and sample concentrations as large as 232,000 mg/L have been measured (Groschen and Buszka, 1997, p. 21).
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/fs10398","usgsCitation":"Cederberg, J., Ging, P.B., and Ourso, R.T., 1998, Monitoring of Selected Water-Quality Constituents Near the Freshwater/Saline-Water Interface of the Edwards Aquifer, July 1996-December 1997: U.S. Geological Survey Fact Sheet 103-98, 4 p., https://doi.org/10.3133/fs10398.","productDescription":"4 p.","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":583,"text":"Texas Water Science Center","active":true,"usgs":true}],"links":[{"id":327081,"rank":101,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/fs/Fs10398/10398.pdf"},{"id":603,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/FS/Fs10398/","linkFileType":{"id":5,"text":"html"}},{"id":117080,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/fs_103_98.bmp"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b04e4b07f02db6990e3","contributors":{"authors":[{"text":"Cederberg, J.R.","contributorId":16239,"corporation":false,"usgs":true,"family":"Cederberg","given":"J.R.","affiliations":[],"preferred":false,"id":150535,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Ging, Patricia B. 0000-0001-5491-8448 pbging@usgs.gov","orcid":"https://orcid.org/0000-0001-5491-8448","contributorId":1788,"corporation":false,"usgs":true,"family":"Ging","given":"Patricia","email":"pbging@usgs.gov","middleInitial":"B.","affiliations":[{"id":583,"text":"Texas Water Science Center","active":true,"usgs":true}],"preferred":true,"id":150533,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Ourso, Robert T. 0000-0002-5952-8681 rtourso@usgs.gov","orcid":"https://orcid.org/0000-0002-5952-8681","contributorId":203207,"corporation":false,"usgs":true,"family":"Ourso","given":"Robert","email":"rtourso@usgs.gov","middleInitial":"T.","affiliations":[{"id":114,"text":"Alaska Science Center","active":true,"usgs":true},{"id":120,"text":"Alaska Science Center Water","active":true,"usgs":true}],"preferred":true,"id":150534,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":23097,"text":"ofr98509 - 1998 - Cruise report RV Inland Surveyer Cruise IS-98; the bathymetry of Lake Tahoe, California-Nevada, August 2 through August 17, 1998, Lake Tahoe, California and Nevada","interactions":[],"lastModifiedDate":"2014-03-25T09:48:22","indexId":"ofr98509","displayToPublicDate":"1999-02-01T00:00:00","publicationYear":"1998","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":"98-509","title":"Cruise report RV Inland Surveyer Cruise IS-98; the bathymetry of Lake Tahoe, California-Nevada, August 2 through August 17, 1998, Lake Tahoe, California and Nevada","docAbstract":"The major objective of cruise IS-98 was to map the bathymetry of Lake Tahoe, California-Nevada (Fig. 1) to fulfill a commitment made during the Lake Tahoe Presidential Forum in 1997. The only existing bathymetry of Lake Tahoe, collected in 1923, was recently compiled by Rowe and Stone (1997), but the data density is inadequate for the level of scientific studies ongoing and anticipated in the near future for Lake Tahoe. Recent advances in marine multibeam-sonar capabilities now permit a cost-effective way, to precisely map the bathymetry of large areas of the ocean floor with 100% coverage. Cruise IS-98 applied this state-of-the-art ocean technology to Lake Tahoe. The newest of these high-resolution multibeam mapping systems also simultaneously collects backscatter (similar to sidescan sonar) imagery that results in a complimentary and co-registered data set that is related to the distribution of lake-floor materials and textures. The two types of maps that resulted from this cruise provide the multidisiplinary Lake Tahoe research community an unprecedented set of base maps upon which to build their studies. This report describes the high-resolution multibeam mapping system used at Lake Tahoe, outlines the data-processing steps used to produce the maps, and includes the daily log of the cruise.","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Menlo Park, CA","doi":"10.3133/ofr98509","issn":"0094-9140","collaboration":"Conducted under a Cooperative Agreement between the US Geological Survey and the Ocean Mapping Group, University of New Brunswick","usgsCitation":"Gardner, J.V., Mayer, L.A., and Hughes-Clarke, J., 1998, Cruise report RV Inland Surveyer Cruise IS-98; the bathymetry of Lake Tahoe, California-Nevada, August 2 through August 17, 1998, Lake Tahoe, California and Nevada: U.S. Geological Survey Open-File Report 98-509, 22 p., https://doi.org/10.3133/ofr98509.","productDescription":"22 p.","additionalOnlineFiles":"N","costCenters":[{"id":520,"text":"Pacific Coastal and Marine Science Center","active":true,"usgs":true}],"links":[{"id":156005,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1998/0509/report-thumb.jpg"},{"id":13203,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/1998/0509/","linkFileType":{"id":5,"text":"html"}},{"id":52465,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1998/0509/pdf/of98-509.pdf","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States","state":"California;Nevada","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -120.1797,38.9227 ], [ -120.1797,39.2914 ], [ -119.8931,39.2914 ], [ -119.8931,38.9227 ], [ -120.1797,38.9227 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"53cd537be4b0b290850f52e4","contributors":{"authors":[{"text":"Gardner, James V.","contributorId":93035,"corporation":false,"usgs":true,"family":"Gardner","given":"James","email":"","middleInitial":"V.","affiliations":[],"preferred":false,"id":189431,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Mayer, Larry A.","contributorId":69583,"corporation":false,"usgs":true,"family":"Mayer","given":"Larry","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":189430,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Hughes-Clarke, John","contributorId":41698,"corporation":false,"usgs":false,"family":"Hughes-Clarke","given":"John","email":"","affiliations":[{"id":18889,"text":"University of New Brunswick","active":true,"usgs":false}],"preferred":false,"id":189429,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":22771,"text":"ofr98506 - 1998 - Cruise report for a seismic investigation of gas hydrates in the Mississippi Canyon region, northern Gulf of Mexico: Cruise M1-98-GM","interactions":[],"lastModifiedDate":"2022-12-15T20:14:04.94538","indexId":"ofr98506","displayToPublicDate":"1999-02-01T00:00:00","publicationYear":"1998","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":"98-506","title":"Cruise report for a seismic investigation of gas hydrates in the Mississippi Canyon region, northern Gulf of Mexico: Cruise M1-98-GM","docAbstract":"During June 1998, the U.S. Geological Survey (USGS) and the University of Mississippi Marine Minerals Technology Center (MMTC) conducted a 12-day cruise in the Mississippi Canyon region of the Gulf of Mexico (Fig. 1). The R/V Tommy Munro, owned by the Marine Research Institute of the University of Southern Mississippi, was chartered for the cruise. The general objective was to acquire very high resolution seismic-reflection data across of the upper and middle continental slope (200-1200-m water depths) to study the acoustic character, distribution and potential effects of gas hydrates within the shallow subsurface, extending from the sea floor down to the base of the gas-hydrate stability zone.\n\nThe Gulf of Mexico is well known for hydrocarbon resources that include petroleum and related gases. Areas of the Gulf that lie in waters deeper than about 250 m potentially have conditions (e.g., pressure, temperature, near-surface gas content, etc.) that are right for the shallow-subsurface formation of the ice-like substance (gas and water) known as gas hydrate (Kvenvolden, 1993). Gas hydrates have previously been sampled in sea-floor cores and observed as massive mounds in several parts of the northern Gulf, including the Mississippi Canyon region (e.g., Anderson et al., 1992). Extensive seismic data have been recorded in the Gulf, in support of commercial drilling efforts, but few very high resolution data exist in the public domain to aid in gas-hydrate studies. Studies of long-term interest include those on the resource potential of gas hydrates, the geologic hazards associated with dissociation and formation of hydrates, and the impact, if any, of gas-hydrate dissociation on atmospheric warming (i.e., via release of methane, a \"greenhouse\" gas).\n\nSeveral very high resolution seismic systems (surface-towed, deep-towed, and sea-floor) were used during the cruise to test the feasibility of using such data for detailed structural (geometric) and stratigraphic (physical property) analyses based on the acoustic data. The cruise was conducted in two regions, on opposite flanks of the Mississippi Canyon, where gas hydrates are known and suspected from prior coring and seismic operations (e.g., Neurauter and Bryant, 1989). The regions are also characterized by thick surficial, relatively young (Pleistocene and younger) sediments. Swath-bathymetry data (Fig. 2) show extensive sea-floor faults, piercement features, and slumps—features whose development could potentially be related to gas hydrates. The specific objectives of the cruise were (a) to image the gas-hydrate stability zone across the continental margin to document bottom-simulating reflections (BSRs) and changes in geometry of the hydrate stability zone; (b) to image known hydrate features (with several seismic systems) to estimate physical properties for hydrate and non-hydrate areas; (c) to outline the shallow structures of the hydrate stability zone to ascertain their potential effects on the formation/distribution of hydrates and on stability of the sea floor; and (d) to estimate, if possible, the amounts of hydrates present in the shallow sub surface.\nDuring the cruise about 850 km of multichannel and single-channel seismic data were recorded. Seismic measurements at nine ocean-bottom seismometer (OBS) stations were recorded for several of the multichannel tracklines (see Fig. 3 in report). The following report describes the field operations and equipment systems employed, gives two examples of ship-board seismic records, and outlines a few preliminary results.","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Menlo Park, CA","doi":"10.3133/ofr98506","usgsCitation":"Cooper, A.K., Hart, P.E., and Pecher, I., 1998, Cruise report for a seismic investigation of gas hydrates in the Mississippi Canyon region, northern Gulf of Mexico: Cruise M1-98-GM: U.S. Geological Survey Open-File Report 98-506, 17 p., https://doi.org/10.3133/ofr98506.","productDescription":"17 p.","additionalOnlineFiles":"N","costCenters":[{"id":520,"text":"Pacific Coastal and Marine Science Center","active":true,"usgs":true}],"links":[{"id":410567,"rank":4,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_43668.htm","linkFileType":{"id":5,"text":"html"}},{"id":52205,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1998/0506/pdf/of98-506.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":157067,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1998/0506/report-thumb.jpg"},{"id":1502,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/1998/0506/","linkFileType":{"id":5,"text":"html"}}],"otherGeospatial":"Gulf Of Mexico, Mississippi Canyon","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -89.917,\n 28\n ],\n [\n -89.917,\n 28.633\n ],\n [\n -89,\n 28.633\n ],\n [\n -89,\n 28\n ],\n [\n -89.917,\n 28\n ]\n ]\n ]\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"53cd537ee4b0b290850f52f3","contributors":{"authors":[{"text":"Cooper, Alan K. acooper@usgs.gov","contributorId":2854,"corporation":false,"usgs":true,"family":"Cooper","given":"Alan","email":"acooper@usgs.gov","middleInitial":"K.","affiliations":[{"id":520,"text":"Pacific Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":true,"id":188845,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hart, Patrick E. 0000-0002-5080-1426 hart@usgs.gov","orcid":"https://orcid.org/0000-0002-5080-1426","contributorId":2879,"corporation":false,"usgs":true,"family":"Hart","given":"Patrick","email":"hart@usgs.gov","middleInitial":"E.","affiliations":[{"id":520,"text":"Pacific Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":true,"id":188846,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Pecher, Ingo","contributorId":24628,"corporation":false,"usgs":true,"family":"Pecher","given":"Ingo","affiliations":[],"preferred":false,"id":188847,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":22893,"text":"ofr98407 - 1998 - Water-quality, bed-sediment, and biological data (October 1996 through September 1997) and statistical summaries of data for streams in the upper Clark Fork basin, Montana","interactions":[],"lastModifiedDate":"2012-02-02T00:07:55","indexId":"ofr98407","displayToPublicDate":"1999-02-01T00:00:00","publicationYear":"1998","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":"98-407","title":"Water-quality, bed-sediment, and biological data (October 1996 through September 1997) and statistical summaries of data for streams in the upper Clark Fork basin, Montana","language":"ENGLISH","publisher":"U.S. Dept. of the Interior, U.S. Geological Survey ;\r\nBranch of Information Services [distributor],","doi":"10.3133/ofr98407","issn":"0094-9140","usgsCitation":"Dodge, K.A., Hornberger, M.I., and Axtmann, E., 1998, Water-quality, bed-sediment, and biological data (October 1996 through September 1997) and statistical summaries of data for streams in the upper Clark Fork basin, Montana: U.S. Geological Survey Open-File Report 98-407, iv, 102 p. :map ;28 cm., https://doi.org/10.3133/ofr98407.","productDescription":"iv, 102 p. :map ;28 cm.","costCenters":[],"links":[{"id":154238,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1998/0407/report-thumb.jpg"},{"id":52299,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1998/0407/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49e3e4b07f02db5e5277","contributors":{"authors":[{"text":"Dodge, K. A.","contributorId":40615,"corporation":false,"usgs":true,"family":"Dodge","given":"K.","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":189086,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hornberger, Michelle I. 0000-0002-7787-3446","orcid":"https://orcid.org/0000-0002-7787-3446","contributorId":23574,"corporation":false,"usgs":true,"family":"Hornberger","given":"Michelle","email":"","middleInitial":"I.","affiliations":[],"preferred":false,"id":189084,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Axtmann, E.V.","contributorId":30652,"corporation":false,"usgs":true,"family":"Axtmann","given":"E.V.","email":"","affiliations":[],"preferred":false,"id":189085,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":22672,"text":"ofr98512 - 1998 - MAS/MILS Arc/Info point coverage for the western U.S. (excluding Hawaii)","interactions":[],"lastModifiedDate":"2023-06-15T12:14:16.454811","indexId":"ofr98512","displayToPublicDate":"1999-02-01T00:00:00","publicationYear":"1998","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":"98-512","title":"MAS/MILS Arc/Info point coverage for the western U.S. (excluding Hawaii)","docAbstract":"The U.S. Geological Survey has two international and one regional digital database that contains information on mineral properties. This report describes the conversion of selected data from one of the international databases - MAS/MILS (Mineral Availability System/Mineral Industry Location System) - into a spatial data product. The MAS/MILS database, obtained from the U.S. Bureau of Mines (USBM) upon its closure, contains over 221,000 records of mineral properties and processing facilities throughout the world. However, the majority of the records in the database are of sites located in the western U.S. This is due to the extensive mineral activity that has occurred in the West, and the work done by mineral professionals in the Western, Alaska, and Intermountain Field Operations Centers of the USBM.
The purpose of this project was to create a spatial coverage of the western U.S. containing mineral resource information. This coverage includes information for the states of Alaska, Arizona, California, Colorado, Idaho, Montana, Nevada, New Mexico, Oregon, Utah, Washington, and Wyoming. For this report, locations from MAS/MILS were converted to a point coverage using a geographic information system (GIS). All work was done using Arc/Info v. 7.0.4. There are 128,441 points in the coverage.
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr98512","issn":"0094-9140","usgsCitation":"Causey, J.D., 1998, MAS/MILS Arc/Info point coverage for the western U.S. (excluding Hawaii): U.S. Geological Survey Open-File Report 98-512, Report: iii, 24 p.; Readme; Metadata; Deposit dictionary and manual; Complete digital package; Dataset; Additional datasets; Additional files; Map files: HPGL2 format; Map files: EPS format, https://doi.org/10.3133/ofr98512.","productDescription":"Report: iii, 24 p.; Readme; Metadata; Deposit dictionary and manual; Complete digital package; Dataset; Additional datasets; Additional files; Map files: HPGL2 format; Map files: EPS format","numberOfPages":"28","additionalOnlineFiles":"Y","costCenters":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"links":[{"id":284728,"rank":10,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/ofr98512.jpg"},{"id":284715,"rank":6,"type":{"id":7,"text":"Companion Files"},"url":"https://pubs.usgs.gov/of/1998/0512/pdf/masnpdictionary.pdf"},{"id":284716,"rank":5,"type":{"id":7,"text":"Companion Files"},"url":"https://pubs.usgs.gov/of/1998/0512/mas.tar.Z"},{"id":284720,"rank":4,"type":{"id":7,"text":"Companion Files"},"url":"https://pubs.usgs.gov/of/1998/0512/more.e00.tar.Z"},{"id":284721,"rank":3,"type":{"id":7,"text":"Companion Files"},"url":"https://pubs.usgs.gov/of/1998/0512/files.tar.Z"},{"id":284722,"rank":2,"type":{"id":7,"text":"Companion Files"},"url":"https://pubs.usgs.gov/of/1998/0512/mils.eps.Z"},{"id":284725,"rank":1,"type":{"id":7,"text":"Companion Files"},"url":"https://pubs.usgs.gov/of/1998/0512/mils.hp.Z"},{"id":284718,"rank":7,"type":{"id":7,"text":"Companion Files"},"url":"https://pubs.usgs.gov/of/1998/0512/mils.e00.Z"},{"id":284712,"rank":8,"type":{"id":16,"text":"Metadata"},"url":"https://pubs.usgs.gov/of/1998/0512/mils.met"},{"id":284711,"rank":9,"type":{"id":20,"text":"Read Me"},"url":"https://pubs.usgs.gov/of/1998/0512/readme.txt"},{"id":1422,"rank":11,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/1998/0512/","linkFileType":{"id":5,"text":"html"}},{"id":52147,"rank":12,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1998/0512/pdf/of98-512.pdf","linkFileType":{"id":1,"text":"pdf"}}],"scale":"5000000","projection":"Albers equal-area conic projection","datum":"North American Datum 1927","country":"United States","state":"Alaska, Arizona, California, Colorado, Idaho, Montana, Nevada, New Mexico, Oregon, Utah, Washington, Wyoming","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ 172.45,31.29 ], [ 172.45,71.39 ], [ -101.96,71.39 ], [ -101.96,31.29 ], [ 172.45,31.29 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"53cd652ce4b0b290850ffeac","contributors":{"authors":[{"text":"Causey, J. Douglas","contributorId":41398,"corporation":false,"usgs":true,"family":"Causey","given":"J.","email":"","middleInitial":"Douglas","affiliations":[],"preferred":false,"id":188674,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":23757,"text":"ofr98409 - 1998 - A Review of Semivolatile and Volatile Organic Compounds in Highway Runoff and Urban Stormwater","interactions":[],"lastModifiedDate":"2012-03-08T17:16:14","indexId":"ofr98409","displayToPublicDate":"1999-02-01T00:00:00","publicationYear":"1998","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":"98-409","title":"A Review of Semivolatile and Volatile Organic Compounds in Highway Runoff and Urban Stormwater","docAbstract":"Many studies have been conducted since 1970 to characterize concentrations of semivolatile organic compounds (SVOCs) in highway runoff and urban stormwater. To a lesser extent, studies also have characterized concentrations of volatile organic compounds (VOCs), estimated loads of SVOCs, and assessed potential impacts of these contaminants on receiving streams. This review evaluates the quality of existing data on SVOCs and VOCs in highway runoff and urban storm- water and summarizes significant findings. Studies related to highways are emphasized when possible. The review included 44 articles and reports that focused primarily on SVOCs and VOCs. Only 17 of these publications are related to highways, and 5 of these 17 are themselves review papers. SVOCs in urban stormwater and sediments during the late 1970's to mid-1980's were the subject of most studies.\r\n\r\nCriteria used to evaluate data quality included documentation of sampling protocols, analytical methods, minimum reporting limit (MRL) or method detection limit (MDL), qualityassurance protocols, and quality-control samples. The largest deficiency in documenting data quality was that only 10 percent of the studies described where water samples were collected in the stream cross section. About 80 percent of SVOCs in runoff are in the suspended solids. Because suspended solids can vary significantly even in narrow channels, concentrations from discrete point samples and contaminant loads estimated from those samples are questionable without information on sample location or how well streamflow was mixed. Thirty percent or fewer of the studies documented the MRL, MDL, cleaning of samplers, or use of field quality-control samples. Comparing results of different studies and evaluating the quality of environmental data, especially for samples with low concentrations, is difficult without this information.\r\n\r\nThe most significant factor affecting SVOC concentrations in water is suspended solids concentration. In sediment, the most significant factors affecting SVOC concentrations are organic carbon content and distance from sources such as highways and power plants. Petroleum hydrocarbons, oil and grease, and polycyclic aromatic hydrocarbons (PAHs) in crankcase oil and vehicle emissions are the major SVOCs detected in highway runoff and urban stormwater.\r\n\r\nThe few loading factors and regression equations that were developed in the 1970's and 1980's have limited use in estimating current (1998) loads of SVOCs on a national scale. These factors and equations are based on few data and use inconsistent units, and some are independent of rainfall. Also, more cars on the road today have catalytic converters, and fuels that were used in 1998 are cleaner than when loading factors and regression equations were developed.\r\n\r\nComparisons to water-quality and sedimentquality criteria and guidelines indicate that PAHs, phenolic compounds, and phthalates in runoff and sediment exceeded U.S. Environmental Protection Agency drinking-water and aquatic-life standards and guidelines. PAHs in stream sediments adjacent to highways have the highest potential for adverse effects on receiving streams. \r\n\r\nFew data exist on VOCs in highway runoff. VOCs were detected in precipitation adjacent to a highway in England, and chloromethane, toluene, xylenes, 1,2,4-trimethylbenzene, and 1,2,3-trichloropropane were detected in runoff from a highway in Texas. In urban stormwater, gasoline-related compounds were detected in as many as 23 percent of the samples. Land use could be the most significant factor affecting the occurrence of VOCs, with highest concentrations of VOCs found in industrial areas. Temperature is another factor affecting the occurrence and concentrations of VOCs. Urban land surfaces are the primary nonpoint source of VOCs in stormwater. However, the atmosphere is a potential source of hydrophilic VOCs in stormwater, especially during cold seasons when partitioning of VOCs from air into water i","language":"ENGLISH","publisher":"Geological Survey (U.S.)","doi":"10.3133/ofr98409","issn":"0094-9140","collaboration":"Prepared in cooperation with the Federal Highway Administration (A Contribution to the National Highway Runoff Data and Methodology Synthesis)","usgsCitation":"Lopes, T.J., and Dionne, S.G., 1998, A Review of Semivolatile and Volatile Organic Compounds in Highway Runoff and Urban Stormwater: U.S. Geological Survey Open-File Report 98-409, vi, 67 p., https://doi.org/10.3133/ofr98409.","productDescription":"vi, 67 p.","onlineOnly":"Y","costCenters":[{"id":377,"text":"Massachusetts-Rhode Island Water Science Center","active":false,"usgs":true}],"links":[{"id":156351,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":9563,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/1998/ofr98-409/","linkFileType":{"id":5,"text":"html"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"53cd4967e4b0b290850ef221","contributors":{"authors":[{"text":"Lopes, Thomas J. tjlopes@usgs.gov","contributorId":2302,"corporation":false,"usgs":true,"family":"Lopes","given":"Thomas","email":"tjlopes@usgs.gov","middleInitial":"J.","affiliations":[],"preferred":true,"id":190662,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Dionne, Shannon G.","contributorId":19964,"corporation":false,"usgs":true,"family":"Dionne","given":"Shannon","email":"","middleInitial":"G.","affiliations":[],"preferred":false,"id":190663,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ]}