{"pageNumber":"296","pageRowStart":"7375","pageSize":"25","recordCount":36989,"records":[{"id":31203,"text":"ofr0114 - 2000 - Publications of the Volcano Hazards Program 1999","interactions":[],"lastModifiedDate":"2012-02-02T00:09:05","indexId":"ofr0114","displayToPublicDate":"2001-06-01T00:00:00","publicationYear":"2000","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2001-14","title":"Publications of the Volcano Hazards Program 1999","language":"ENGLISH","doi":"10.3133/ofr0114","usgsCitation":"Nathenson, M., 2000, Publications of the Volcano Hazards Program 1999: U.S. Geological Survey Open-File Report 2001-14, 10 p., https://doi.org/10.3133/ofr0114.","productDescription":"10 p.","costCenters":[],"links":[{"id":160327,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":2741,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2001/of01-014/","linkFileType":{"id":5,"text":"html"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a90e4b07f02db655e8e","contributors":{"authors":[{"text":"Nathenson, Manuel 0000-0002-5216-984X mnathnsn@usgs.gov","orcid":"https://orcid.org/0000-0002-5216-984X","contributorId":1358,"corporation":false,"usgs":true,"family":"Nathenson","given":"Manuel","email":"mnathnsn@usgs.gov","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"preferred":true,"id":205319,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":21832,"text":"ofr00261 - 2000 - Geology of the Mount Le Conte 7.5-minute quadrangle, Great Smoky Mountains National Park, Tennessee and North Carolina","interactions":[],"lastModifiedDate":"2022-03-25T20:11:39.617809","indexId":"ofr00261","displayToPublicDate":"2001-06-01T00:00:00","publicationYear":"2000","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2000-261","title":"Geology of the Mount Le Conte 7.5-minute quadrangle, Great Smoky Mountains National Park, Tennessee and North Carolina","docAbstract":"<p>No abstract available.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr00261","usgsCitation":"Schultz, A.P., Southworth, S., Fingeret, C., and Weik, T., 2000, Geology of the Mount Le Conte 7.5-minute quadrangle, Great Smoky Mountains National Park, Tennessee and North Carolina: U.S. Geological Survey Open-File Report 2000-261, 1 CD-Rom, https://doi.org/10.3133/ofr00261.","productDescription":"1 CD-Rom","costCenters":[],"links":[{"id":153577,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":397639,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_34292.htm"}],"country":"United States","state":"North Carolina, Tennessee","otherGeospatial":"Great Smoky Mountains National Park, Mount Le Conte 7.5-minute quadrangle","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -83.375,\n              35.625\n            ],\n            [\n              -83.5,\n              35.625\n            ],\n            [\n              -83.5,\n              35.75\n            ],\n            [\n              -83.375,\n              35.75\n            ],\n            [\n              -83.375,\n              35.625\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4acce4b07f02db67e96c","contributors":{"authors":[{"text":"Schultz, Arthur P. aschultz@usgs.gov","contributorId":3252,"corporation":false,"usgs":true,"family":"Schultz","given":"Arthur","email":"aschultz@usgs.gov","middleInitial":"P.","affiliations":[{"id":243,"text":"Eastern Geology and Paleoclimate Science Center","active":true,"usgs":true}],"preferred":true,"id":185879,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Southworth, Scott","contributorId":93933,"corporation":false,"usgs":true,"family":"Southworth","given":"Scott","affiliations":[],"preferred":false,"id":185882,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Fingeret, Carrie","contributorId":50169,"corporation":false,"usgs":true,"family":"Fingeret","given":"Carrie","email":"","affiliations":[],"preferred":false,"id":185881,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Weik, Tom","contributorId":20351,"corporation":false,"usgs":true,"family":"Weik","given":"Tom","email":"","affiliations":[],"preferred":false,"id":185880,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":24829,"text":"ofr00390 - 2000 - Research, methodology, and applications of probabilistic seismic-hazard mapping of the Central and Eastern United States; minutes of a workshop on June 13-14, 2000, at Saint Louis University","interactions":[],"lastModifiedDate":"2017-03-07T11:02:51","indexId":"ofr00390","displayToPublicDate":"2001-06-01T00:00:00","publicationYear":"2000","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2000-390","title":"Research, methodology, and applications of probabilistic seismic-hazard mapping of the Central and Eastern United States; minutes of a workshop on June 13-14, 2000, at Saint Louis University","docAbstract":"<p>The U.S. Geological Survey (USGS) is updating and revising its 1996 national seismic-hazard maps for release in 2001. Part of this process is the convening of four regional workshops with earth scientists and other users of the maps. The second of these workshops was sponsored by the USGS and the Mid-America Earthquake Center, and was hosted by Saint Louis University on June 13-14, 2000.</p><p>The workshop concentrated on the central and eastern U.S. (CEUS) east of the Rocky Mountains. The tasks of the workshop were to (1) evaluate new research findings that are relevant to seismic hazard mapping, (2) discuss modifications in the inputs and methodology used in the national maps, (3) discuss concerns by engineers and other users about the scientific input to the maps and the use of the hazard maps in building codes, and (4) identify needed research in the CEUS that can improve the seismic hazard maps and reduce their uncertainties.</p><p>&nbsp;These minutes summarize the workshop discussions. This is not a transcript; some individual remarks and short discussions of side issues and logistics were omitted. Named speakers were sent a draft of the minutes with a request for corrections of any errors in remarks attributed to them. Nine people returned corrections, amplifications, or approvals of their remarks as reported. The rest of this document consists of the meeting agenda, discussion summaries, and a list of the 60 attendees.</p>","language":"English","publisher":"U.S. Department of the Interior, U.S. Geological Survey,","publisherLocation":"Reston, VA","doi":"10.3133/ofr00390","issn":"0094-9140","usgsCitation":"Wheeler, R.L., and Perkins, D.M., 2000, Research, methodology, and applications of probabilistic seismic-hazard mapping of the Central and Eastern United States; minutes of a workshop on June 13-14, 2000, at Saint Louis University: U.S. Geological Survey Open-File Report 2000-390, 18 p., https://doi.org/10.3133/ofr00390.","productDescription":"18 p.","costCenters":[],"links":[{"id":157127,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/2000/0390/report-thumb.jpg"},{"id":53833,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2000/0390/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":1848,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2000/ofr-00-0390/","linkFileType":{"id":5,"text":"html"}}],"country":"United States","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a54e4b07f02db62c3b0","contributors":{"authors":[{"text":"Wheeler, Russell L. wheeler@usgs.gov","contributorId":858,"corporation":false,"usgs":true,"family":"Wheeler","given":"Russell","email":"wheeler@usgs.gov","middleInitial":"L.","affiliations":[],"preferred":false,"id":192640,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Perkins, David M. perkins@usgs.gov","contributorId":2114,"corporation":false,"usgs":true,"family":"Perkins","given":"David","email":"perkins@usgs.gov","middleInitial":"M.","affiliations":[{"id":301,"text":"Geologic Hazards Team","active":false,"usgs":true}],"preferred":true,"id":192641,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":24650,"text":"ofr00482 - 2000 - Radium isotopes as sediment-water interface tracers: Indian River Lagoon, Florida","interactions":[],"lastModifiedDate":"2021-12-20T22:48:46.113389","indexId":"ofr00482","displayToPublicDate":"2001-06-01T00:00:00","publicationYear":"2000","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2000-482","title":"Radium isotopes as sediment-water interface tracers: Indian River Lagoon, Florida","docAbstract":"<p>No abstract available.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr00482","issn":"0094-9140","usgsCitation":"Swarzenski, P.W., 2000, Radium isotopes as sediment-water interface tracers: Indian River Lagoon, Florida: U.S. Geological Survey Open-File Report 2000-482, 31 p., https://doi.org/10.3133/ofr00482.","productDescription":"31 p.","costCenters":[],"links":[{"id":393171,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_34774.htm"},{"id":53685,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2000/0482/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":157644,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/2000/0482/report-thumb.jpg"}],"country":"United States","state":"Florida","otherGeospatial":"Indian River Lagoon","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -80.94589233398438,\n              28.045318867211485\n            ],\n            [\n              -80.49270629882812,\n              28.045318867211485\n            ],\n            [\n              -80.49270629882812,\n              28.86512110454975\n            ],\n            [\n              -80.94589233398438,\n              28.86512110454975\n            ],\n            [\n              -80.94589233398438,\n              28.045318867211485\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a80e4b07f02db649ac6","contributors":{"authors":[{"text":"Swarzenski, Peter W. 0000-0003-0116-0578 pswarzen@usgs.gov","orcid":"https://orcid.org/0000-0003-0116-0578","contributorId":1070,"corporation":false,"usgs":true,"family":"Swarzenski","given":"Peter","email":"pswarzen@usgs.gov","middleInitial":"W.","affiliations":[{"id":520,"text":"Pacific Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":true,"id":192322,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":31260,"text":"ofr01116 - 2000 - Programs for using Newmark's method to model slope performance during earthquakes","interactions":[],"lastModifiedDate":"2012-02-02T00:09:07","indexId":"ofr01116","displayToPublicDate":"2001-06-01T00:00:00","publicationYear":"2000","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2001-116","title":"Programs for using Newmark's method to model slope performance during earthquakes","language":"ENGLISH","doi":"10.3133/ofr01116","usgsCitation":"Jibson, R.W., and Jibson, M.W., 2000, Programs for using Newmark's method to model slope performance during earthquakes (Version 1.0): U.S. Geological Survey Open-File Report 2001-116, 1 computer optical disc : ill. ; 4 3/4 in., https://doi.org/10.3133/ofr01116.","productDescription":"1 computer optical disc : ill. ; 4 3/4 in.","costCenters":[],"links":[{"id":160780,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"edition":"Version 1.0","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a9be4b07f02db65e048","contributors":{"authors":[{"text":"Jibson, Randall W. 0000-0003-3399-0875 jibson@usgs.gov","orcid":"https://orcid.org/0000-0003-3399-0875","contributorId":2985,"corporation":false,"usgs":true,"family":"Jibson","given":"Randall","email":"jibson@usgs.gov","middleInitial":"W.","affiliations":[{"id":300,"text":"Geologic Hazards Science Center","active":true,"usgs":true}],"preferred":true,"id":205507,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Jibson, Matthew W.","contributorId":69199,"corporation":false,"usgs":true,"family":"Jibson","given":"Matthew","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":205508,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":21838,"text":"ofr00407 - 2000 - Geophysical constraints on the Virgin River Depression, Nevada, Utah, and Arizona","interactions":[],"lastModifiedDate":"2023-06-22T13:27:47.142974","indexId":"ofr00407","displayToPublicDate":"2001-05-01T00:00:00","publicationYear":"2000","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2000-407","title":"Geophysical constraints on the Virgin River Depression, Nevada, Utah, and Arizona","docAbstract":"Gravity and aeromagnetic data provide insights into the subsurface lithology and structure of the Virgin River Depression (VRD) of Nevada, Utah, and Arizona. The gravity data indicate that the Quaternary and Tertiary sedimentary deposits hide a complex pre-Cenozoic surface. A north-northwest-trending basement ridge separates the Mesquite and Mormon basins, as evidenced by seismic-reflection, gravity, and aeromagnetic data. The Mesquite basin is very deep, reaching depths of 8?10 km. The Mormon basin reaches thicknesses of 5 km. Its northern margin is very steep and may be characterized by right steps, although this interpretation could change with additional gravity stations. Most of the young (Quaternary), small-displacement faults trend within 10? of due north and occur within the deeper parts of the Mesquite basin north of the Virgin River. South of the Virgin River, only a few, young, small-displacement faults are mapped; the trend of these faults is more northeasterly and parallels the basement topography and is distinct from that of the faults to the north. The Virgin River appears to follow the margin of the basin as it emerges from the plateau.\n     The high-resolution aeromagnetic data outline the extent of shallow volcanic rocks in the Mesquite basin. The north-northwest alignment of volcanic rocks east of Toquop Wash appear to be structurally controlled because of faults imaged on seismic-reflection profiles and because the alignment is nearly perpendicular to the direction of Cenozoic extension. More buried volcanics likely exist to the north and east of the high-resolution aeromagnetic survey. Broader aeromagnetic anomalies beneath pre-Cenozoic basement in the Mormon Mountains and Tule Springs Hills reflect either Precambrian basement or Tertiary intrusions. These rocks are probably barriers to groundwater flow, except where fractured.","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ofr00407","issn":"0566-8174","usgsCitation":"Langenheim, V., Glen, J.M., Jachens, R., Dixon, G.L., Katzer, T., and Morin, R.L., 2000, Geophysical constraints on the Virgin River Depression, Nevada, Utah, and Arizona: U.S. Geological Survey Open-File Report 2000-407, i, 26 p., https://doi.org/10.3133/ofr00407.","productDescription":"i, 26 p.","additionalOnlineFiles":"Y","costCenters":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"links":[{"id":51324,"rank":3,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2000/0407/pdf/of00-407n.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":153618,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/2000/0407/report-thumb.jpg"},{"id":1234,"rank":2,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2000/0407/","linkFileType":{"id":5,"text":"html"}}],"country":"United States","state":"Arizona, Nevada, Utah","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -114.4968,36.5008 ], [ -114.4968,37.4999 ], [ -113.7344,37.4999 ], [ -113.7344,36.5008 ], [ -114.4968,36.5008 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ac8e4b07f02db67bf25","contributors":{"authors":[{"text":"Langenheim, Victoria E. 0000-0003-2170-5213 zulanger@usgs.gov","orcid":"https://orcid.org/0000-0003-2170-5213","contributorId":1526,"corporation":false,"usgs":true,"family":"Langenheim","given":"Victoria E.","email":"zulanger@usgs.gov","affiliations":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"preferred":false,"id":185900,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Glen, J. M.","contributorId":37338,"corporation":false,"usgs":true,"family":"Glen","given":"J.","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":185901,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Jachens, R.C.","contributorId":55433,"corporation":false,"usgs":true,"family":"Jachens","given":"R.C.","email":"","affiliations":[],"preferred":false,"id":185903,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Dixon, G. L.","contributorId":95468,"corporation":false,"usgs":true,"family":"Dixon","given":"G.","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":185904,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Katzer, T.C.","contributorId":49391,"corporation":false,"usgs":true,"family":"Katzer","given":"T.C.","email":"","affiliations":[],"preferred":false,"id":185902,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Morin, R. L.","contributorId":95484,"corporation":false,"usgs":true,"family":"Morin","given":"R.","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":185905,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}}
,{"id":24850,"text":"ofr00344 - 2000 - High-streamflow statistics of selected streams in the Red River of the North basin, North Dakota, Minnesota, South Dakota, and Manitoba","interactions":[],"lastModifiedDate":"2018-03-13T12:49:20","indexId":"ofr00344","displayToPublicDate":"2001-05-01T00:00:00","publicationYear":"2000","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2000-344","title":"High-streamflow statistics of selected streams in the Red River of the North basin, North Dakota, Minnesota, South Dakota, and Manitoba","docAbstract":"<p>Statistical summaries of high-streamflow data through water year 1997 for selected active U.S. Geological Survey gaging stations for the Red River of the North Basin upstream of and including Emerson, Manitoba, but excluding the Devils Lake Basin, are presented in this report. The summaries for each streamflow-gaging station include (1) station description, (2) graph of the annual mean discharge for the period of record, (3) statistics of monthly and annual mean discharges, (4) graph of the annual flow duration, (5) monthly and annual flow duration, (6) probability of occurrence of annual high discharges, (7) annual peak discharge and corresponding gage height for the period of record, and (8) monthly and annual mean discharges for the period of record. Also included for stations located on the Red River of the North are hydrographs of daily mean discharges for the 3 years having the highest peak discharges and hydrographs of daily mean gage heights for the 3 years having the highest gage heights. </p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr00344","issn":"0094-9140","usgsCitation":"Williams-Sether, T., 2000, High-streamflow statistics of selected streams in the Red River of the North basin, North Dakota, Minnesota, South Dakota, and Manitoba: U.S. Geological Survey Open-File Report 2000-344, iv, 498 p., https://doi.org/10.3133/ofr00344.","productDescription":"iv, 498 p.","costCenters":[{"id":478,"text":"North Dakota Water Science Center","active":true,"usgs":true},{"id":34685,"text":"Dakota Water Science Center","active":true,"usgs":true}],"links":[{"id":157142,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/2000/0344/report-thumb.jpg"},{"id":53848,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2000/0344/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a58e4b07f02db62f171","contributors":{"authors":[{"text":"Williams-Sether, Tara 0000-0001-6515-9416 tjsether@usgs.gov","orcid":"https://orcid.org/0000-0001-6515-9416","contributorId":152247,"corporation":false,"usgs":true,"family":"Williams-Sether","given":"Tara","email":"tjsether@usgs.gov","affiliations":[{"id":478,"text":"North Dakota Water Science Center","active":true,"usgs":true},{"id":34685,"text":"Dakota Water Science Center","active":true,"usgs":true}],"preferred":true,"id":192685,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":24180,"text":"ofr00498 - 2000 - Yellowstone plume head: Postulated tectonic relations to the Vancouver Slab, continental boundaries, and climate","interactions":[],"lastModifiedDate":"2022-10-27T21:43:54.444266","indexId":"ofr00498","displayToPublicDate":"2001-05-01T00:00:00","publicationYear":"2000","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2000-498","title":"Yellowstone plume head: Postulated tectonic relations to the Vancouver Slab, continental boundaries, and climate","docAbstract":"<p>No abstract available.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr00498","usgsCitation":"Pierce, K.L., Morgan, L.A., and Saltus, R.W., 2000, Yellowstone plume head: Postulated tectonic relations to the Vancouver Slab, continental boundaries, and climate: U.S. Geological Survey Open-File Report 2000-498, 39 p., https://doi.org/10.3133/ofr00498.","productDescription":"39 p.","costCenters":[{"id":211,"text":"Crustal Geophysics and Geochemistry Science Center","active":true,"usgs":true},{"id":481,"text":"Northern Rocky Mountain Science Center","active":true,"usgs":true}],"links":[{"id":156991,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":408838,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_51425.htm","linkFileType":{"id":5,"text":"html"}},{"id":8128,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2000/ofr-00-0498/","linkFileType":{"id":5,"text":"html"}}],"country":"United States","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -124,\n              47\n            ],\n            [\n              -124,\n              40\n            ],\n            [\n              -110.75,\n              40\n            ],\n            [\n              -110.75,\n              47\n            ],\n            [\n              -124,\n              47\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49d6e4b07f02db5de425","contributors":{"authors":[{"text":"Pierce, Kenneth Lee","contributorId":87149,"corporation":false,"usgs":true,"family":"Pierce","given":"Kenneth","email":"","middleInitial":"Lee","affiliations":[],"preferred":false,"id":191459,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Morgan, Lisa A.","contributorId":66300,"corporation":false,"usgs":true,"family":"Morgan","given":"Lisa","email":"","middleInitial":"A.","affiliations":[{"id":481,"text":"Northern Rocky Mountain Science Center","active":true,"usgs":true}],"preferred":false,"id":191458,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Saltus, Richard W. saltus@usgs.gov","contributorId":777,"corporation":false,"usgs":true,"family":"Saltus","given":"Richard","email":"saltus@usgs.gov","middleInitial":"W.","affiliations":[{"id":211,"text":"Crustal Geophysics and Geochemistry Science Center","active":true,"usgs":true}],"preferred":true,"id":191457,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":23823,"text":"ofr00367 - 2000 - Mercury bioaccumulation in fish in a region affected by historic gold mining: The South Yuba River, Deer Creek, and Bear River watersheds, California, 1999","interactions":[],"lastModifiedDate":"2021-12-20T20:42:11.296911","indexId":"ofr00367","displayToPublicDate":"2001-05-01T00:00:00","publicationYear":"2000","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2000-367","title":"Mercury bioaccumulation in fish in a region affected by historic gold mining: The South Yuba River, Deer Creek, and Bear River watersheds, California, 1999","docAbstract":"Mercury that was used historically for gold recovery in mining areas of the Sierra Nevada continues to enter local and downstream water bodies, including the Sacramento Delta and the San Francisco Bay of northern California. Methylmercury is of particular concern because it is the most prevalent form of mercury in fish and is a potent neurotoxin that bioaccumulates at successive trophic levels within food webs. In April 1999, the U.S. Geological Survey, in cooperation with several other agencies the Forest Service (U.S. Department of Agriculture), the Bureau of Land Management, the U.S. Environmental Protection Agency, the California State Water Resources Control Board, and the Nevada County Resource Conservation District began a pilot investigation to characterize the occurrence and distribution of mercury in water, sediment, and biota in the South Yuba River, Deer Creek, and Bear River watersheds of California. Biological samples consisted of semi-aquatic and aquatic insects, amphibians, bird eggs, and fish. \r\n\r\nFish were collected from 5 reservoirs and 14 stream sites during August through October 1999 to assess the distribution of mercury in these watersheds. Fish that were collected from reservoirs included top trophic level predators (black basses, Micropterus spp.) intermediate trophic level predators [sunfish (blue gill, Lepomis macrochirus; green sunfish, Lepomis cyanellus; and black crappie, Poxomis nigromaculatus)] and benthic omnivores (channel catfish, Ictularus punctatus). At stream sites, the species collected were upper trophic level salmonids (brown trout, Salmo trutta) and upper-to-intermediate trophic level salmonids (rainbow trout, Oncorhynchus mykiss). \r\n\r\nBoneless and skinless fillet portions from 161 fish were analyzed for total mercury; 131 samples were individual fish, and the remaining 30 fish were combined into 10 composite samples of three fish each of the same species and size class. Mercury concentrations in samples of black basses (Micropterus spp.), including largemouth, smallmouth, and spotted bass, ranged from 0.20 to 1.5 parts per million (ppm), wet basis. Mercury concentrations in sunfish ranged from less than 0.10 to 0.41 ppm (wet). Channel catfish had mercury concentrations from 0.16 to 0.75 ppm (wet). The range of mercury concentrations observed in rainbow trout was from 0.06 to 0.38 ppm (wet), and in brown trout was from 0.02 to 0.43 ppm (wet). Mercury concentrations in trout were greater than 0.3 ppm in samples from three of 14 stream sites. Mercury at elevated concentrations may pose a health risk to piscivorous wildlife and to humans who eat fish on a regular basis. Data presented in this report may be useful to local, state, and federal agencies responsible for assessing the potential risks associated with elevated levels of mercury in fish in the South Yuba River, Deer Creek, and Bear River watersheds.","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr00367","issn":"0094-9140","usgsCitation":"May, J., Hothem, R.L., Alpers, C.N., and Law, M.A., 2000, Mercury bioaccumulation in fish in a region affected by historic gold mining: The South Yuba River, Deer Creek, and Bear River watersheds, California, 1999: U.S. Geological Survey Open-File Report 2000-367, v, 30 p., https://doi.org/10.3133/ofr00367.","productDescription":"v, 30 p.","costCenters":[],"links":[{"id":53032,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2000/0367/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":1561,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://ca.water.usgs.gov/archive/reports/ofr00367/","linkFileType":{"id":5,"text":"html"}},{"id":393117,"rank":4,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_34244.htm"},{"id":155104,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/2000/0367/report-thumb.jpg"}],"country":"United States","state":"California","otherGeospatial":"Deer Creek, and Bear River watersheds, South Yuba River","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -121.58569335937501,\n              39.11727568585598\n            ],\n            [\n              -120.31677246093749,\n              39.11727568585598\n            ],\n            [\n              -120.31677246093749,\n              39.60145584096999\n            ],\n            [\n              -121.58569335937501,\n              39.60145584096999\n            ],\n            [\n              -121.58569335937501,\n              39.11727568585598\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a4ae4b07f02db624b52","contributors":{"authors":[{"text":"May, Jason T. 0000-0002-5699-2112","orcid":"https://orcid.org/0000-0002-5699-2112","contributorId":14791,"corporation":false,"usgs":true,"family":"May","given":"Jason T.","affiliations":[],"preferred":false,"id":190802,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hothem, Roger L. roger_hothem@usgs.gov","contributorId":1721,"corporation":false,"usgs":true,"family":"Hothem","given":"Roger","email":"roger_hothem@usgs.gov","middleInitial":"L.","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"preferred":true,"id":190801,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Alpers, Charles N. 0000-0001-6945-7365 cnalpers@usgs.gov","orcid":"https://orcid.org/0000-0001-6945-7365","contributorId":411,"corporation":false,"usgs":true,"family":"Alpers","given":"Charles","email":"cnalpers@usgs.gov","middleInitial":"N.","affiliations":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"preferred":true,"id":190800,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Law, Matthew A.","contributorId":82733,"corporation":false,"usgs":true,"family":"Law","given":"Matthew","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":190803,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":24013,"text":"ofr00378 - 2000 - Assessment of sedimentation in Crowders Creek, York County, South Carolina, 1999-2000","interactions":[],"lastModifiedDate":"2022-09-13T19:43:10.382767","indexId":"ofr00378","displayToPublicDate":"2001-05-01T00:00:00","publicationYear":"2000","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2000-378","title":"Assessment of sedimentation in Crowders Creek, York County, South Carolina, 1999-2000","docAbstract":"Sedimentation in Crowders Creek cove in Lake Wylie, located in York County, South Carolina, has restricted boat navigation and made a boat ramp unusable. To provide baseline information, the U.S. Geological Survey, in cooperation with the York County Council, collected bathymetric and bed-sediment data in the cove, and streamflow and suspended-sediment data in a free-flowing reach of Crowders Creek. Bathymetric data from a survey of the cove made in November 1999 were compared with bathymetric data derived from a 1973 U.S. Geological Survey topographic map. It was determined that at water-surface elevation of 568 feet, the volume of the cove available for water storage had decreased 90 percent, from 1.3 million cubic yards in 1973 to 135,000 cubic yards in 1999. Continuous water-level and streamflow data were collected at a U.S. Geological Survey stream-gaging station on Crowders Creek near Clover, South Carolina, for the period October 1, 1999, to April 30, 2000. Suspended-sediment concentration data were collected at four sites on February 14, 2000. The maximum instantaneous streamflow recorded during this event was 864 cubic feet per second, and the largest suspended-sediment load was calculated to be 2,120 tons per day. Bed-sediment samples were collected at four locations in the study area: one in the lower reach of Crowders Creek and three in the cove. These samples were analyzed for a total of 44 trace elements, 29 organochlorine pesticides, degradation products and polychlorinated biphenyls, and for particle-size distribution. None of the trace element concentrations exceeded guidelines for the concentrations above which adverse effects on stream biota are expected to occur. Two of 29 organochlorine pesticides were detected.p,p'-DDT at 11 micrograms per kilogram was detected at one site, and p,p'-DDE at 3.2 micrograms per kilogram was detected at another site. Particle-size analyses at these four sampling sites indicated that at least 60 percent of the sediments are smaller than 0.063 millimeter, which indicates the sediment is composed mostly of silts and clays.","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr00378","usgsCitation":"Nagle, D.D., 2000, Assessment of sedimentation in Crowders Creek, York County, South Carolina, 1999-2000: U.S. Geological Survey Open-File Report 2000-378, iv, 14 p., https://doi.org/10.3133/ofr00378.","productDescription":"iv, 14 p.","costCenters":[{"id":13634,"text":"South Atlantic Water Science Center","active":true,"usgs":true}],"links":[{"id":406636,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_34369.htm","linkFileType":{"id":5,"text":"html"}},{"id":53189,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2000/0378/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":157213,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/2000/0378/report-thumb.jpg"}],"country":"United States","state":"South Carolina","county":"York County","otherGeospatial":"Crowders Creek","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -83.71307373046874,\n              35.67068501330236\n            ],\n            [\n              -83.71307373046874,\n              35.67068501330236\n            ],\n            [\n              -83.7103271484375,\n              35.67068501330236\n            ],\n            [\n              -83.7103271484375,\n              35.67068501330236\n            ],\n            [\n              -83.71307373046874,\n              35.67068501330236\n            ]\n          ]\n        ]\n      }\n    },\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -81.34552001953125,\n              35.26187989638478\n            ],\n            [\n              -81.35993957519531,\n              35.228794142471024\n            ],\n            [\n              -81.35581970214844,\n              35.19513377063931\n            ],\n            [\n              -81.35032653808592,\n              35.1760533659996\n            ],\n            [\n              -81.35135650634766,\n              35.11148351132474\n            ],\n            [\n              -81.2545394897461,\n              35.079741300161416\n            ],\n            [\n              -81.1124038696289,\n              35.07046911981966\n            ],\n            [\n              -81.09970092773438,\n              35.06737815891162\n            ],\n            [\n              -81.06639862060547,\n              35.12187429289515\n            ],\n            [\n              -81.11686706542967,\n              35.14068665962406\n            ],\n            [\n              -81.14295959472656,\n              35.18419114526594\n            ],\n            [\n              -81.23016357421875,\n              35.24674063355999\n            ],\n            [\n              -81.23016357421875,\n              35.28374272801905\n            ],\n            [\n              -81.33247375488281,\n              35.285984736065764\n            ],\n            [\n              -81.34552001953125,\n              35.26187989638478\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4aa9e4b07f02db6683c7","contributors":{"authors":[{"text":"Nagle, Douglas D.","contributorId":41853,"corporation":false,"usgs":true,"family":"Nagle","given":"Douglas","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":191149,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":24508,"text":"ofr00208 - 2000 - Long-term ground-water monitoring program and performance-evaluation plan for the extraction system at the former Nike Missile Battery Site, Aberdeen Proving Ground, Maryland","interactions":[],"lastModifiedDate":"2012-02-02T00:08:14","indexId":"ofr00208","displayToPublicDate":"2001-05-01T00:00:00","publicationYear":"2000","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2000-208","title":"Long-term ground-water monitoring program and performance-evaluation plan for the extraction system at the former Nike Missile Battery Site, Aberdeen Proving Ground, Maryland","docAbstract":"This report presents lithologic and ground-water-quality data collected during April and May 2000 in the remote areas of the tidal wetland of West Branch Canal Creek, Aberdeen Proving Ground, Maryland. Contamination of the Canal Creek aquifer with volatile organic compounds has been documented in previous investigations of the area. This study was conducted to investigate areas that were previously inaccessible because of deep mud and shallow water, and to support ongoing investigations of the fate and transport of volatile organic compounds in the Canal Creek aquifer. A unique vibracore drill rig mounted on a hovercraft was used for drilling and ground-water sampling. Continuous cores of the wetland sediment and of the Canal Creek aquifer were collected at five sites. Attempts to sample ground water were made by use of a continuous profiler at 12 sites, without well installation, at a total of 81 depths within the aquifer. Of those 81 attempts, only 34 sampling depths produced enough water to collect samples.\r\n\r\n\r\nGround-water samples from two sites had the highest concentrations of volatile organic compounds?with total volatile organic compound concentrations in the upper part of the aquifer ranging from about 15,000 to 50,000 micrograms per liter. Ground-water samples from five sites had much lower total volatile organic compound concentrations (95 to 2,100 micrograms per liter), whereas two sites were essentially not contaminated, with total volatile organic compound concentrations less than or equal to 5 micrograms per liter.","language":"ENGLISH","publisher":"U.S. Dept. of the Interior, U.S. Geological Survey ;\r\nBranch of Information Services [distributor],","doi":"10.3133/ofr00208","issn":"0094-9140","usgsCitation":"Senus, M.P., and Tenbus, F.J., 2000, Long-term ground-water monitoring program and performance-evaluation plan for the extraction system at the former Nike Missile Battery Site, Aberdeen Proving Ground, Maryland: U.S. Geological Survey Open-File Report 2000-208, iii, 21 p. :ill. (some col.), maps (some col.) ;28 cm., https://doi.org/10.3133/ofr00208.","productDescription":"iii, 21 p. :ill. (some col.), maps (some col.) ;28 cm.","costCenters":[],"links":[{"id":156775,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":1608,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2000/ofr00-208/","linkFileType":{"id":5,"text":"html"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a6de4b07f02db63ee67","contributors":{"authors":[{"text":"Senus, Michael P.","contributorId":39820,"corporation":false,"usgs":true,"family":"Senus","given":"Michael","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":192050,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Tenbus, Frederick J.","contributorId":52145,"corporation":false,"usgs":true,"family":"Tenbus","given":"Frederick","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":192051,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":24833,"text":"ofr00305 - 2000 - Rock-fall hazard assessment of the Aspen Forest Trail, Navajo National Monument, Arizona","interactions":[],"lastModifiedDate":"2012-02-02T00:08:14","indexId":"ofr00305","displayToPublicDate":"2001-05-01T00:00:00","publicationYear":"2000","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2000-305","title":"Rock-fall hazard assessment of the Aspen Forest Trail, Navajo National Monument, Arizona","language":"ENGLISH","publisher":"U.S. Department of the Interior, U.S. Geological Survey,","doi":"10.3133/ofr00305","issn":"0094-9140","usgsCitation":"Wieczorek, G.F., and Harp, E.L., 2000, Rock-fall hazard assessment of the Aspen Forest Trail, Navajo National Monument, Arizona: U.S. Geological Survey Open-File Report 2000-305, 11 p. :col. ill., col. map ;28 cm., https://doi.org/10.3133/ofr00305.","productDescription":"11 p. :col. ill., col. map ;28 cm.","costCenters":[],"links":[{"id":157005,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/2000/0305/report-thumb.jpg"},{"id":8122,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2000/ofr-00-0305/","linkFileType":{"id":5,"text":"html"}},{"id":53837,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2000/0305/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a0fe4b07f02db5fe9d7","contributors":{"authors":[{"text":"Wieczorek, Gerald F.","contributorId":81889,"corporation":false,"usgs":true,"family":"Wieczorek","given":"Gerald","email":"","middleInitial":"F.","affiliations":[],"preferred":false,"id":192650,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Harp, Edwin L. harp@usgs.gov","contributorId":1290,"corporation":false,"usgs":true,"family":"Harp","given":"Edwin","email":"harp@usgs.gov","middleInitial":"L.","affiliations":[{"id":218,"text":"Denver Federal Center","active":false,"usgs":true}],"preferred":false,"id":192649,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":22799,"text":"ofr00363 - 2000 - Traveltime data for Truckee River between Tahoe City, California, and Marble Bluff Dam near Nixon, Nevada, 1999","interactions":[],"lastModifiedDate":"2012-02-02T00:08:05","indexId":"ofr00363","displayToPublicDate":"2001-05-01T00:00:00","publicationYear":"2000","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2000-363","title":"Traveltime data for Truckee River between Tahoe City, California, and Marble Bluff Dam near Nixon, Nevada, 1999","language":"ENGLISH","publisher":"U.S. Department of the Interior, U.S. Geological Survey ;\r\nInformation Services [distributor],","doi":"10.3133/ofr00363","issn":"0094-9140","usgsCitation":"Crompton, E.J., and Bohman, L.R., 2000, Traveltime data for Truckee River between Tahoe City, California, and Marble Bluff Dam near Nixon, Nevada, 1999: U.S. Geological Survey Open-File Report 2000-363, iv, 24 p. ill., col. map ;28 cm., https://doi.org/10.3133/ofr00363.","productDescription":"iv, 24 p. ill., col. map ;28 cm.","costCenters":[],"links":[{"id":155688,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/2000/0363/report-thumb.jpg"},{"id":52229,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2000/0363/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a4ce4b07f02db626b3a","contributors":{"authors":[{"text":"Crompton, E. James","contributorId":78771,"corporation":false,"usgs":true,"family":"Crompton","given":"E.","email":"","middleInitial":"James","affiliations":[],"preferred":false,"id":188894,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Bohman, Larry R. lrbohman@usgs.gov","contributorId":4769,"corporation":false,"usgs":true,"family":"Bohman","given":"Larry","email":"lrbohman@usgs.gov","middleInitial":"R.","affiliations":[],"preferred":true,"id":188893,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":22264,"text":"ofr00282 - 2000 - Water-quality and water-level data for a freshwater tidal wetland, West Branch Canal Creek, Aberdeen Proving Ground, Maryland, October 1998-September 1999","interactions":[],"lastModifiedDate":"2012-02-02T00:07:56","indexId":"ofr00282","displayToPublicDate":"2001-05-01T00:00:00","publicationYear":"2000","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2000-282","title":"Water-quality and water-level data for a freshwater tidal wetland, West Branch Canal Creek, Aberdeen Proving Ground, Maryland, October 1998-September 1999","docAbstract":"This report presents water-quality data for ground-water and surface-water samples and water-level data collected by the U.S. Geological Survey from October 1998 through September 1999 at West Branch Canal Creek, Aberdeen Proving Ground, Maryland. The report also provides a description of the sampling and analytical methods that were used to collect and analyze the samples, and includes an evaluation of the quality-assurance data.\r\n\r\nThe ground-water sampling network includes 88 wells or piezometers, including four 2-inch wells, two 4-inch wells, thirty 0.75-inch piezo-meters, and fifty-two 0.25-inch piezometers. Water levels were measured in 105 wells or piezometers. Surface-water samples were collected at five sites.\r\n\r\nSamples were collected from wells and 0.75-inch piezometers for measurement of field parameters, and analysis of inorganic and organic constituents during three sampling rounds: March, May through June, and July through August of 1999. Inorganic constituents and organic constituents were analyzed in samples collected from 0.25-inch piezometers during three sampling rounds in February through March, May, and September of 1999. Water levels were measured in October and November of 1998, and in February and May of 1999. Surface-water samples were collected between February and August of 1999 for analysis of organic constituents.","language":"ENGLISH","publisher":"U.S. Dept. of the Interior, U.S. Geological Survey ;\r\nBranch of Information Services [distributor],","doi":"10.3133/ofr00282","issn":"0094-9140","usgsCitation":"Spencer, T.A., Olsen, L., Lorah, M.M., and Mount, M.M., 2000, Water-quality and water-level data for a freshwater tidal wetland, West Branch Canal Creek, Aberdeen Proving Ground, Maryland, October 1998-September 1999: U.S. Geological Survey Open-File Report 2000-282, vii, 185 p. :ill. (some col.), maps ;28 cm., https://doi.org/10.3133/ofr00282.","productDescription":"vii, 185 p. :ill. (some col.), maps ;28 cm.","costCenters":[],"links":[{"id":154445,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":1349,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2000/ofr00-282/","linkFileType":{"id":5,"text":"html"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49e6e4b07f02db5e7258","contributors":{"authors":[{"text":"Spencer, Tracey A.","contributorId":59477,"corporation":false,"usgs":true,"family":"Spencer","given":"Tracey","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":187850,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Olsen, Lisa D. ldolsen@usgs.gov","contributorId":2707,"corporation":false,"usgs":true,"family":"Olsen","given":"Lisa D.","email":"ldolsen@usgs.gov","affiliations":[{"id":509,"text":"Office of the Associate Director for Water","active":true,"usgs":true}],"preferred":true,"id":187849,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Lorah, Michelle M. 0000-0002-9236-587X mmlorah@usgs.gov","orcid":"https://orcid.org/0000-0002-9236-587X","contributorId":1437,"corporation":false,"usgs":true,"family":"Lorah","given":"Michelle","email":"mmlorah@usgs.gov","middleInitial":"M.","affiliations":[{"id":374,"text":"Maryland Water Science Center","active":true,"usgs":true}],"preferred":true,"id":187848,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Mount, Mastin M.","contributorId":60674,"corporation":false,"usgs":true,"family":"Mount","given":"Mastin","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":187851,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":23051,"text":"ofr00256 - 2000 - Summary information about platinum-group elements and other trace metals in greenstones of the Wrangellia Terrane and the Gravina Belt, southeastern Alaska","interactions":[],"lastModifiedDate":"2012-02-02T00:08:08","indexId":"ofr00256","displayToPublicDate":"2001-05-01T00:00:00","publicationYear":"2000","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2000-256","title":"Summary information about platinum-group elements and other trace metals in greenstones of the Wrangellia Terrane and the Gravina Belt, southeastern Alaska","language":"ENGLISH","publisher":"U.S. Department of the Interior, U.S. Geological Survey,","doi":"10.3133/ofr00256","issn":"0094-9140","usgsCitation":"Ford, A., and Brew, D.A., 2000, Summary information about platinum-group elements and other trace metals in greenstones of the Wrangellia Terrane and the Gravina Belt, southeastern Alaska: U.S. Geological Survey Open-File Report 2000-256, 44 p. ill., map ;28 cm., https://doi.org/10.3133/ofr00256.","productDescription":"44 p. ill., map ;28 cm.","costCenters":[],"links":[{"id":156529,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/2000/0256/report-thumb.jpg"},{"id":52424,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2000/0256/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b04e4b07f02db699633","contributors":{"authors":[{"text":"Ford, Arthur B.","contributorId":52578,"corporation":false,"usgs":true,"family":"Ford","given":"Arthur B.","affiliations":[],"preferred":false,"id":189352,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Brew, David A. dbrew@usgs.gov","contributorId":3244,"corporation":false,"usgs":true,"family":"Brew","given":"David","email":"dbrew@usgs.gov","middleInitial":"A.","affiliations":[],"preferred":true,"id":189351,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":23764,"text":"ofr2000185 - 2000 - Hydrogeology and simulation of ground-water flow at the Gettysburg Elevator Plant Superfund Site, Adams County, Pennsylvania","interactions":[],"lastModifiedDate":"2022-08-31T20:46:57.544871","indexId":"ofr2000185","displayToPublicDate":"2001-04-01T00:00:00","publicationYear":"2000","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2000-185","title":"Hydrogeology and simulation of ground-water flow at the Gettysburg Elevator Plant Superfund Site, Adams County, Pennsylvania","docAbstract":"Ground water in Triassic-age sedimentary fractured-rock aquifers in the area of Gettysburg, Pa., is used as drinking water and for industrial and commercial supply. In 1983, ground water at the Gettysburg Elevator Plant was found by the Pennsylvania Department of Environmental Resources to be contaminated with trichloroethene, 1,1,1-trichloroethane, and other synthetic organic compounds. As part of the U.S. Environmental Protection Agency?s Comprehensive Environmental Response, Compensation, and Liability Act, 1980 process, a Remedial Investigation was completed in July 1991, a method of site remediation was issued in the Record of Decision dated June 1992, and a Final Design Report was completed in May 1997. In cooperation with the U.S. Environmental Protection Agency in the hydrogeologic assessment of the site remediation, the U.S. Geological Survey began a study in 1997 to determine the effects of the onsite and offsite extraction wells on ground-water flow and contaminant migration from the Gettysburg Elevator Plant. This determination is based on hydrologic and geophysical data collected from 1991 to 1998 and on results of numerical model simulations of the local ground-water flow-system.\r\n\r\nThe Gettysburg Elevator Site is underlain by red, green, gray, and black shales of the Heidlersburg Member of the Gettysburg Formation. Correlation of natural-gamma logs indicates the sedimentary rock strike about N. 23 degrees E. and dip about 23 degrees NW. Depth to bedrock onsite commonly is about 6 feet but offsite may be as deep as 40 feet.\r\n\r\nThe ground-water system consists of two zones?a thin, shallow zone composed of soil, clay, and highly weathered bedrock and a thicker, nonweathered or fractured bedrock zone. The shallow zone overlies the bedrock zone and truncates the dipping beds parallel to land surface. Diabase dikes are barriers to ground-water flow in the bedrock zone. The ground-water system is generally confined or semi-confined, even at shallow depths.\r\n\r\nDepth to water can range from flowing at land surface to more than 71 feet below land surface. Potentiometric maps based on measured water levels at the Gettysburg Elevator Plant indicate ground water flows from west to east, towards Rock Creek. Multiple-well aquifer tests indicate the system is heterogeneous and flow is primarily in dipping beds that contain discrete secondary openings separated by less permeable beds. Water levels in wells open to the pumped bed, as projected along the dipping stratigraphy, are drawn down more than water levels in wells not open to the pumped bed.\r\n\r\nGround-water flow was simulated for steady-state conditions prior to pumping and long-term average pumping conditions. The three-dimensional numerical flow model (MODFLOW) was calibrated by use of a parameter estimation program (MODFLOWP). Steady-state conditions were assumed for the calibration period of 1996. An effective areal recharge rate of 7 inches was used in model calibration. The calibrated flow model was used to evaluate the effectiveness of the current onsite and offsite extraction well system. The simulation results generally indicate that the extraction system effectively captures much of the ground-water recharge at the Gettysburg Elevator Plant and, hence, contaminated ground-water migrating from the site. Some of the extraction wells pump at low rates and have very small contributing areas. Results indicate some areal recharge onsite will move to offsite extraction wells.","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr2000185","collaboration":"Prepared in cooperation with the U.S. Environmental Protection Agency","usgsCitation":"Low, D.J., Goode, D., and Risser, D.W., 2000, Hydrogeology and simulation of ground-water flow at the Gettysburg Elevator Plant Superfund Site, Adams County, Pennsylvania: U.S. Geological Survey Open-File Report 2000-185, vi, 34 p., https://doi.org/10.3133/ofr2000185.","productDescription":"vi, 34 p.","costCenters":[{"id":532,"text":"Pennsylvania Water Science Center","active":true,"usgs":true}],"links":[{"id":203590,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":7640,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2000/185/","linkFileType":{"id":5,"text":"html"}},{"id":406040,"rank":2,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_30032.htm","linkFileType":{"id":5,"text":"html"}}],"country":"United States","state":"Pennsylvania","county":"Adams County","otherGeospatial":"Gettysburg Elevator Plant Superfund Site","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -77.25,\n              39.833\n            ],\n            [\n              -77.208,\n              39.833\n            ],\n            [\n              -77.208,\n              39.883\n            ],\n            [\n              -77.25,\n              39.883\n            ],\n            [\n              -77.25,\n              39.833\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a4be4b07f02db625380","contributors":{"authors":[{"text":"Low, Dennis J. djlow@usgs.gov","contributorId":3450,"corporation":false,"usgs":true,"family":"Low","given":"Dennis","email":"djlow@usgs.gov","middleInitial":"J.","affiliations":[{"id":532,"text":"Pennsylvania Water Science Center","active":true,"usgs":true}],"preferred":true,"id":190678,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Goode, Daniel J. 0000-0002-8527-2456 djgoode@usgs.gov","orcid":"https://orcid.org/0000-0002-8527-2456","contributorId":2433,"corporation":false,"usgs":true,"family":"Goode","given":"Daniel J.","email":"djgoode@usgs.gov","affiliations":[{"id":532,"text":"Pennsylvania Water Science Center","active":true,"usgs":true}],"preferred":false,"id":190677,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Risser, Dennis W. 0000-0001-9597-5406 dwrisser@usgs.gov","orcid":"https://orcid.org/0000-0001-9597-5406","contributorId":898,"corporation":false,"usgs":true,"family":"Risser","given":"Dennis","email":"dwrisser@usgs.gov","middleInitial":"W.","affiliations":[{"id":532,"text":"Pennsylvania Water Science Center","active":true,"usgs":true}],"preferred":true,"id":190676,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":23572,"text":"ofr00105A - 2000 - Analytical results and sample locality map for rock, stream-sediment, and soil samples, Northern and Eastern Colorado Desert BLM Resource Area, Imperial, Riverside, and San Bernardino counties, California","interactions":[],"lastModifiedDate":"2021-09-08T18:38:40.68148","indexId":"ofr00105A","displayToPublicDate":"2001-04-01T00:00:00","publicationYear":"2000","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2000-105","chapter":"A","title":"Analytical results and sample locality map for rock, stream-sediment, and soil samples, Northern and Eastern Colorado Desert BLM Resource Area, Imperial, Riverside, and San Bernardino counties, California","docAbstract":"<p>In 1996-1998 the U.S. Geological Survey (USGS) conducted a geochemical study of the Bureau of Land Management’s (BLM) 5.5 million-acre Northern and Eastern Colorado Desert Resource Area (usually referred to as the NECD in this report), Imperial, Riverside, and San Bernardino Counties, southeastern California (figure 1). This study was done in support of the BLM’s Coordinated Management Plan for the area. This report presents analytical data from this study.</p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Denver, CO","doi":"10.3133/ofr00105A","issn":"0094-9140","usgsCitation":"King, H.D., and Chaffee, M.A., 2000, Analytical results and sample locality map for rock, stream-sediment, and soil samples, Northern and Eastern Colorado Desert BLM Resource Area, Imperial, Riverside, and San Bernardino counties, California: U.S. Geological Survey Open-File Report 2000-105, 163 p., https://doi.org/10.3133/ofr00105A.","productDescription":"163 p.","costCenters":[],"links":[{"id":52858,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2000/0105a/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":1634,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2000/ofr-00-0105/","linkFileType":{"id":5,"text":"html"}},{"id":155721,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/2000/0105a/report-thumb.jpg"},{"id":388956,"rank":4,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_23460.htm"}],"country":"United States","state":"California","county":"Imperial County, Riverside County, San Bernardino County","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -116.25,\n              32.7\n            ],\n            [\n              -114.16,\n              32.7\n            ],\n            [\n              -114.167,\n              34.917\n            ],\n            [\n              -116.25,\n              34.917\n            ],\n            [\n              -116.25,\n              32.7\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4acee4b07f02db67f5b8","contributors":{"authors":[{"text":"King, Harley D. hking@usgs.gov","contributorId":4046,"corporation":false,"usgs":true,"family":"King","given":"Harley","email":"hking@usgs.gov","middleInitial":"D.","affiliations":[],"preferred":true,"id":190337,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Chaffee, Maurice A. mchaffee@usgs.gov","contributorId":4047,"corporation":false,"usgs":true,"family":"Chaffee","given":"Maurice","email":"mchaffee@usgs.gov","middleInitial":"A.","affiliations":[{"id":171,"text":"Central Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":190338,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":24225,"text":"ofr00169 - 2000 - Flow-velocity and depth data during peak discharge events at selected bridge crossings in North Carolina, 1964-98","interactions":[],"lastModifiedDate":"2016-12-07T14:17:53","indexId":"ofr00169","displayToPublicDate":"2001-04-01T00:00:00","publicationYear":"2000","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2000-169","title":"Flow-velocity and depth data during peak discharge events at selected bridge crossings in North Carolina, 1964-98","docAbstract":"Flow-velocity and depth data were collected from July 1996 through December 1998 during peak discharge events at 21 bridge crossings that are adjacent to U.S. Geological Survey streamgaging stations in North Carolina. These data were collected during measurements of peak discharges that had recurrence intervals ranging from less than 2 years to about 100 years. The velocity and depth data can be used to evaluate predicted flow velocities and scour depths that are computed as part of scour analyses at the selected bridge crossings.","language":"ENGLISH","publisher":"U.S. Department of the Interior, U.S. Geological Survey ;\r\nBranch of Information Services [distributor],","doi":"10.3133/ofr00169","issn":"0094-9140","usgsCitation":"Pope, B.F., 2000, Flow-velocity and depth data during peak discharge events at selected bridge crossings in North Carolina, 1964-98: U.S. Geological Survey Open-File Report 2000-169, iii, 47 p. ill., maps ;28 cm., https://doi.org/10.3133/ofr00169.","productDescription":"iii, 47 p. ill., maps ;28 cm.","costCenters":[{"id":13634,"text":"South Atlantic Water Science Center","active":true,"usgs":true}],"links":[{"id":53359,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2000/0169/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":155551,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/2000/0169/report-thumb.jpg"}],"country":"United States","state":"North 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,{"id":24147,"text":"ofr00170 - 2000 - Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory-Determination of ammonium plus organic nitrogen by a Kjeldahl digestion method and an automated photometric finish that includes digest cleanup by gas diffusion","interactions":[],"lastModifiedDate":"2021-05-28T18:28:35.651871","indexId":"ofr00170","displayToPublicDate":"2001-04-01T00:00:00","publicationYear":"2000","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2000-170","title":"Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory-Determination of ammonium plus organic nitrogen by a Kjeldahl digestion method and an automated photometric finish that includes digest cleanup by gas diffusion","docAbstract":"The National Water Quality Laboratory\n(NWQL) determined ammonium plus organic\nnitrogen (Kjeldahl nitrogen) by using semiautomated,\nblock digester methods for filtered\nand whole-water samples from 1986 until\nOctober 1, 1991. During that time,\nphosphorus was determined by a persulfate\ndigestion method. In 1991, projected\nincreases in demand for both tests by the U.S.\nGeological Survey?s National Water-Quality\nAssessment Program led the NWQL to\ndevelop and validate methods for determining\nboth analytes in a common digest.\nThis report describes a rapid and\naccurate method to determine Kjeldahl\nnitrogen. The batch, high-temperature (block\ndigester), Hg (II)-catalyzed digestion step\nused in the new methods I-2515-91/4515-91 is\nsimilar to U.S. Geological Survey methods\nI-2552-85/4552-85 and U.S. Environmental\nProtection Agency method 351.2 except that\nsample and reagent volumes are halved.\nPrepared digests are desolvated at 220 degrees\nCelsius (oC) and digested at 370oC in separate\nblock digesters set at these temperatures,\nrather than in a single, temperatureprogrammed\nblock digester. This approach\npermits 40 calibrants, reference materials, and\nsamples to be digested and resolvated in about\nan hour. Ammonium ions originally present\nin samples, along with those released during\nthe digestion step, are determined photometrically\nby an automated, salicylatehypochlorite\nBerthelot reaction procedure at a\nrate of 90 tests per hour. About 100\nmicroliters of digest are required per\ndetermination. The upper concentration level\nis 10 milligrams per liter (mg/L) with a\nmethod detection level of 0.05 mg/L.\nRepeatability for a sample containing about\n4.1 mg/L of Kjeldahl nitrogen in a high\nsuspended-solids matrix is 3.1 percent.\nBetween-day precision for the same sample is\n4.8 percent.\nA gas diffusion cell in the air-segmented\ncontinuous flow analyzer eliminates\nparticulates and ions that otherwise would\ninterfere in the photometric finish. A singlechannel\nanalyzer can process the resolvated\ndigests from two pairs of block digesters each\nhour. Statistical analysis of paired data for\nabout 1,500 samples determined by U.S.\nGeological Survey methods I-2552-85/4552-\n85 and I-2515-91/4515-91 during method\nvalidation revealed a median concentration\ndifference between the former and the latter\nmethods of about 0.1 mg-N/L. This result was\nexpected because digestion blank concentrations\n(nearly equal to 0.1 mg/L) were not\nsubtracted from concentrations reported by\nmethods I-2552-85/4552-85. A 10-year\nrecord of National Water Quality Laboratory\nKjeldahl nitrogen blind blank concentration\ndata also supports a step-change decrease in\nKjeldahl nitrogen concentrations of about 0.1\nmg/L after methods I-2552-85/4552-85 were\nreplaced by methods I-2515-91/4515-91 on\nOctober 1, 1991. Somewhat larger\nconcentration differences between the two methods were observed for a subset of about\n350 samples with nitrate plus nitrite\nconcentrations greater than 1 mg-N/L.","language":"English","publisher":"U.S. Department of the Interior, U.S. Geological Survey :Branch of Information Services [distributor],","doi":"10.3133/ofr00170","usgsCitation":"Patton, C.J., and Truitt, E.P., 2000, Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory-Determination of ammonium plus organic nitrogen by a Kjeldahl digestion method and an automated photometric finish that includes digest cleanup by gas diffusion: U.S. Geological Survey Open-File Report 2000-170, v, 31 p., https://doi.org/10.3133/ofr00170.","productDescription":"v, 31 p.","costCenters":[{"id":452,"text":"National Water Quality Laboratory","active":true,"usgs":true}],"links":[{"id":155935,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/2000/0170/report-thumb.jpg"},{"id":53291,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2000/0170/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a54e4b07f02db62bb9a","contributors":{"authors":[{"text":"Patton, Charles J. cjpatton@usgs.gov","contributorId":809,"corporation":false,"usgs":true,"family":"Patton","given":"Charles","email":"cjpatton@usgs.gov","middleInitial":"J.","affiliations":[],"preferred":true,"id":191402,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Truitt, Earl P.","contributorId":65877,"corporation":false,"usgs":true,"family":"Truitt","given":"Earl","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":191403,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":23365,"text":"ofr95154 - 2000 - Development and testing of techniques to obtain infiltration data for unconsolidated surficial materials, Yucca Mountain area, Nye County, Nevada","interactions":[],"lastModifiedDate":"2012-02-02T00:08:16","indexId":"ofr95154","displayToPublicDate":"2001-04-01T00:00:00","publicationYear":"2000","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"95-154","title":"Development and testing of techniques to obtain infiltration data for unconsolidated surficial materials, Yucca Mountain area, Nye County, Nevada","language":"ENGLISH","publisher":"U.S. Dept. of the Interior, U.S. Geological Survey :\r\nInformation Services [distributor],","doi":"10.3133/ofr95154","issn":"0094-9140","usgsCitation":"Hofmann, L.L., Guertal, W.R., and Flint, A.L., 2000, Development and testing of techniques to obtain infiltration data for unconsolidated surficial materials, Yucca Mountain area, Nye County, Nevada: U.S. Geological Survey Open-File Report 95-154, iii, 23 p. ill., map ;28 cm., https://doi.org/10.3133/ofr95154.","productDescription":"iii, 23 p. ill., map ;28 cm.","costCenters":[],"links":[{"id":156734,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1995/0154/report-thumb.jpg"},{"id":52655,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1995/0154/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4aa7e4b07f02db66722c","contributors":{"authors":[{"text":"Hofmann, Lon L.","contributorId":87804,"corporation":false,"usgs":true,"family":"Hofmann","given":"Lon","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":189982,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Guertal, William R. wguertal@usgs.gov","contributorId":3792,"corporation":false,"usgs":true,"family":"Guertal","given":"William","email":"wguertal@usgs.gov","middleInitial":"R.","affiliations":[],"preferred":true,"id":189981,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Flint, Alan L. 0000-0002-5118-751X aflint@usgs.gov","orcid":"https://orcid.org/0000-0002-5118-751X","contributorId":1492,"corporation":false,"usgs":true,"family":"Flint","given":"Alan","email":"aflint@usgs.gov","middleInitial":"L.","affiliations":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true},{"id":657,"text":"Western Geographic Science Center","active":true,"usgs":true}],"preferred":true,"id":189980,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":31140,"text":"ofr99583 - 2000 - Preliminary geologic map of the Star Creek Reservoir quadrangle, Malheur County, Oregon","interactions":[],"lastModifiedDate":"2022-08-24T21:42:45.947131","indexId":"ofr99583","displayToPublicDate":"2001-04-01T00:00:00","publicationYear":"2000","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"99-583","title":"Preliminary geologic map of the Star Creek Reservoir quadrangle, Malheur County, Oregon","docAbstract":"<p>No abstract available.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr99583","usgsCitation":"Evans, J.G., Rytuba, J.J., Binger, G.B., and Hooper, P.R., 2000, Preliminary geologic map of the Star Creek Reservoir quadrangle, Malheur County, Oregon: U.S. Geological Survey Open-File Report 99-583, Report: 18 p.; 1 Plate: 38.24 × 32.85 inches, https://doi.org/10.3133/ofr99583.","productDescription":"Report: 18 p.; 1 Plate: 38.24 × 32.85 inches","costCenters":[],"links":[{"id":109908,"rank":700,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_23452.htm","linkFileType":{"id":5,"text":"html"},"description":"23452"},{"id":59689,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1999/0583/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":59688,"rank":400,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1999/0583/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":160826,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1999/0583/report-thumb.jpg"}],"scale":"24000","country":"United States","state":"Oregon","county":"Malheur County","otherGeospatial":"Star Creek Reservoir quadrangle","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -118,\n              43.375\n            ],\n            [\n              -117.875,\n              43.375\n            ],\n            [\n              -117.875,\n              43.5\n            ],\n            [\n              -118,\n              43.5\n            ],\n            [\n              -118,\n              43.375\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b00e4b07f02db698079","contributors":{"authors":[{"text":"Evans, James G. jevans@usgs.gov","contributorId":2396,"corporation":false,"usgs":true,"family":"Evans","given":"James","email":"jevans@usgs.gov","middleInitial":"G.","affiliations":[],"preferred":true,"id":205116,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Rytuba, J. J.","contributorId":83082,"corporation":false,"usgs":true,"family":"Rytuba","given":"J.","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":205118,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Binger, G. Benjamin","contributorId":86820,"corporation":false,"usgs":true,"family":"Binger","given":"G.","email":"","middleInitial":"Benjamin","affiliations":[],"preferred":false,"id":205119,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Hooper, P. R.","contributorId":65884,"corporation":false,"usgs":true,"family":"Hooper","given":"P.","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":205117,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":31136,"text":"ofr99538 - 2000 - Reconnaissance bedrock geologic map of the Red House, Madisonville, Aspen, and Charlotte Court House 7.5-minute quadrangles, Charlotte, Prince Edward, Appomattox, Campbell, and Halifax counties, Virginia","interactions":[],"lastModifiedDate":"2012-02-02T00:09:08","indexId":"ofr99538","displayToPublicDate":"2001-04-01T00:00:00","publicationYear":"2000","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"99-538","title":"Reconnaissance bedrock geologic map of the Red House, Madisonville, Aspen, and Charlotte Court House 7.5-minute quadrangles, Charlotte, Prince Edward, Appomattox, Campbell, and Halifax counties, Virginia","language":"ENGLISH","doi":"10.3133/ofr99538","usgsCitation":"Nelson, A.E., Marr, J.D., and Olinger, K.E., 2000, Reconnaissance bedrock geologic map of the Red House, Madisonville, Aspen, and Charlotte Court House 7.5-minute quadrangles, Charlotte, Prince Edward, Appomattox, Campbell, and Halifax counties, Virginia: U.S. Geological Survey Open-File Report 99-538, 1 map :photocopy ;59 x 47 cm., on sheet 75 x 58 cm. +1 pamphlet (19 leaves ; 28 cm.), https://doi.org/10.3133/ofr99538.","productDescription":"1 map :photocopy ;59 x 47 cm., on sheet 75 x 58 cm. +1 pamphlet (19 leaves ; 28 cm.)","costCenters":[],"links":[{"id":160694,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1999/0538/report-thumb.jpg"},{"id":59685,"rank":400,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1999/0538/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":59686,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1999/0538/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"scale":"48000","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a74e4b07f02db6446a6","contributors":{"authors":[{"text":"Nelson, Arthur E.","contributorId":6035,"corporation":false,"usgs":true,"family":"Nelson","given":"Arthur","email":"","middleInitial":"E.","affiliations":[{"id":595,"text":"U.S. Geological Survey","active":false,"usgs":true}],"preferred":false,"id":205097,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Marr, John D. Jr.","contributorId":23593,"corporation":false,"usgs":true,"family":"Marr","given":"John","suffix":"Jr.","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":205099,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Olinger, Keith E.","contributorId":15249,"corporation":false,"usgs":true,"family":"Olinger","given":"Keith","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":205098,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":24551,"text":"ofr00110 - 2000 - Schlumberger DC resistivity soundings in the Boulder Watershed, Jefferson and Lewis and Clark counties, Montana","interactions":[],"lastModifiedDate":"2020-02-24T06:28:47","indexId":"ofr00110","displayToPublicDate":"2001-04-01T00:00:00","publicationYear":"2000","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2000-110","title":"Schlumberger DC resistivity soundings in the Boulder Watershed, Jefferson and Lewis and Clark counties, Montana","docAbstract":"<p>During July, 1997, twenty four Schlumberger dc resistivity soundings were made in the Boulder watershed and adjacent areas (fig. 1). The objective of geophysical studies in the watershed is to map subsurface lithologic, structural and hydrologic features important in controlling possible ground water contamination from mining activities and for design of remediation efforts. These studies are part of an abandoned mine land study (http://amli.usgs.gov/amli/ ) of the Boulder Basin mining district ( http://www.deq.state.mt.us/mtmines2/linkdocs/techdocs/73tech.html ). </p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr00110","issn":"0094-9140","usgsCitation":"Smith, B.D., and Sole, T., 2000, Schlumberger DC resistivity soundings in the Boulder Watershed, Jefferson and Lewis and Clark counties, Montana: U.S. Geological Survey Open-File Report 2000-110, 31 p., https://doi.org/10.3133/ofr00110.","productDescription":"31 p.","costCenters":[{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":1640,"rank":100,"type":{"id":15,"text":"Index 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,{"id":31153,"text":"ofr00192 - 2000 - Geologic map of the Christian quadrangle, Alaska","interactions":[],"lastModifiedDate":"2022-03-28T19:36:55.058773","indexId":"ofr00192","displayToPublicDate":"2001-04-01T00:00:00","publicationYear":"2000","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2000-192","title":"Geologic map of the Christian quadrangle, Alaska","docAbstract":"Most of the Christian quadrangle is in the Porcupine Plateau; the northwestern part is in the southern Brooks Range, and the southern quarter is in the Yukon Flats. Outcrops of bedrock are poor or lacking, except in the Brooks Range. Although large valley glaciers have moved through the Porcupine Plateau, along the East Fork Chandalar and Vanticlese Creek, most of the upland areas in the Porcupine Plateau have not been eroded by ice. Consequently the rocks are deeply weathered and many outcrops in the low hills east of the East Fork are only soil and rubble. The southern quarter of the quadrangle in the Yukon Flats is covered with unconsolidated glacial and alluvial deposits. The Christian quadrangle is at the east end of the southern Brooks Range schist belt. Here three geologic terranes that originate well south of the Brooks Range intersect the subterranes of the southern Brooks Range along northward-directed thrust faults and northeast-striking strike slip faults. The displaced terranes from the south have been mapped by Jones and others (1987), as the schist of the Ruby terrane, the mafic rocks and phyllite of the Tozitna terrane, and the graywacke of the Venetie terrane. The typical rocks of the southern Brooks Range Arctic Alaska terrane at this intersection are the carbonate and clastic rocks of the Hammond subterrane, and the schist of the Coldfoot subterrane. The Coldfoot schist ends at a probable strike-slip fault about 10 miles west of the Christian quadrangle. At that place the mafic rocks and phyllites of the Angayucham terrane that form the south flank of most of the Brooks Range veer sharply northeastward across the Coldfoot subterrane schist and terminate it. A small fragment of the Endicott Mountains subterrane of the Arctic Alaska terrane also lies within the Christian quadrangle, but the main body of this subterrane lies north of the quadrangle.","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ofr00192","usgsCitation":"Brosge, W., and Reiser, H.N., 2000, Geologic map of the Christian quadrangle, Alaska: U.S. Geological Survey Open-File Report 2000-192, Pamphlet: 14 p.; 1 Plate: 44.39 x 24.31 inches; Metadata, https://doi.org/10.3133/ofr00192.","productDescription":"Pamphlet: 14 p.; 1 Plate: 44.39 x 24.31 inches; Metadata","additionalOnlineFiles":"Y","costCenters":[{"id":114,"text":"Alaska Science Center","active":true,"usgs":true}],"links":[{"id":295134,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/ofr00192.gif"},{"id":285899,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2000/0192/"},{"id":397739,"rank":6,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_34070.htm"},{"id":281538,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2000/0192/pdf/of00-192pamp.pdf"},{"id":281537,"rank":5,"type":{"id":16,"text":"Metadata"},"url":"https://pubs.usgs.gov/of/2000/0192/csgeol_meta.txt"},{"id":281536,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/2000/0192/pdf/of00-192_s1_v1.pdf"}],"scale":"250000","projection":"Universal Transverse Mercator, zone 6","country":"United States","state":"Alaska","otherGeospatial":"Christian quadrangle","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -147,\n              67\n            ],\n            [\n              -144,\n              67\n            ],\n            [\n              -144,\n              68\n            ],\n            [\n              -147,\n              68\n            ],\n            [\n              -147,\n              67\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b0ae4b07f02db69cb65","contributors":{"authors":[{"text":"Brosge, W. P.","contributorId":58248,"corporation":false,"usgs":true,"family":"Brosge","given":"W. P.","affiliations":[],"preferred":false,"id":205157,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Reiser, H. N.","contributorId":13199,"corporation":false,"usgs":true,"family":"Reiser","given":"H.","email":"","middleInitial":"N.","affiliations":[],"preferred":false,"id":205156,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":22149,"text":"ofr00106 - 2000 - Seismic-reflection investigations of the Texas Springs Syncline for ground water development, Death Valley National Park","interactions":[],"lastModifiedDate":"2017-03-07T10:29:39","indexId":"ofr00106","displayToPublicDate":"2001-04-01T00:00:00","publicationYear":"2000","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2000-106","title":"Seismic-reflection investigations of the Texas Springs Syncline for ground water development, Death Valley National Park","docAbstract":"<p>The U.S. Geological Survey has completed an integrated geologic and geophysical study of the Texas Springs syncline for the National Park Service with the intention of locating a new production water well near existing water-collection and distribution facilities. Subsurface information was required to determine which, if any, sites within the syncline would be favorable for a well. About 4.2 km (2.6 mi.) of high-resolution seismic-reflection data were collected across and along the Texas Springs syncline. Two of our three lines, designated DV-1 and DV-3, cross the syncline, whereas the third line (DV-2) runs parallel to the north-northwest-trending syncline axis.</p>","language":"English","publisher":"U.S. Dept. of the Interior, U.S. Geological Survey,","publisherLocation":"Denver, CO","doi":"10.3133/ofr00106","issn":"0094-9140","usgsCitation":"Machette, M., Stephenson, W.J., Williams, R.A., Odum, J.K., Worley, D.M., and Dart, R., 2000, Seismic-reflection investigations of the Texas Springs Syncline for ground water development, Death Valley National Park: U.S. Geological Survey Open-File Report 2000-106, 26 p., https://doi.org/10.3133/ofr00106.","productDescription":"26 p.","costCenters":[],"links":[{"id":1479,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2000/ofr-00-0106/","linkFileType":{"id":5,"text":"html"}},{"id":156552,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/2000/0106/report-thumb.jpg"},{"id":51597,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2000/0106/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a0ae4b07f02db5fb618","contributors":{"authors":[{"text":"Machette, Michael N.","contributorId":28963,"corporation":false,"usgs":true,"family":"Machette","given":"Michael N.","affiliations":[],"preferred":false,"id":187333,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Stephenson, W. J.","contributorId":87982,"corporation":false,"usgs":true,"family":"Stephenson","given":"W.","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":187335,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Williams, R. A.","contributorId":82323,"corporation":false,"usgs":true,"family":"Williams","given":"R.","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":187334,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Odum, J. K.","contributorId":105705,"corporation":false,"usgs":true,"family":"Odum","given":"J.","email":"","middleInitial":"K.","affiliations":[],"preferred":false,"id":187337,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Worley, D. M.","contributorId":98332,"corporation":false,"usgs":true,"family":"Worley","given":"D.","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":187336,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Dart, R. L.","contributorId":25547,"corporation":false,"usgs":true,"family":"Dart","given":"R. L.","affiliations":[],"preferred":false,"id":187332,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}}
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