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","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr99568","usgsCitation":"Catchings, R.D., Goldman, M.R., Gandhok, G., Horta, E., Rymer, M.J., Martin, P., and Christensen, A., 1999, Structure, velocities, and faulting relationships beneath San Gorgonio Pass, California: Implications for water resources and earthquake hazards: U.S. Geological Survey Open-File Report 99-568, 53 p., https://doi.org/10.3133/ofr99568.","productDescription":"53 p.","costCenters":[],"links":[{"id":391449,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_38845.htm"},{"id":59687,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1999/0568/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":160696,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1999/0568/report-thumb.jpg"}],"country":"United States","state":"California","otherGeospatial":"San Gregorio Pass","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -116.7080,\n 33.912\n ],\n [\n -116.725,\n 33.912\n ],\n [\n -116.725,\n 33.9330\n ],\n [\n -116.7080,\n 33.9330\n ],\n [\n -116.7080,\n 33.912\n ]\n ]\n ]\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b06e4b07f02db69a30c","contributors":{"authors":[{"text":"Catchings, R. 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The maps showing structure of the Coastal Plain unconformity and thickness of overlying Quaternary sediment delineate the framework of the coastal region. The map showing the distribution and thickness of paleochannel fill indicates areas not suitable as sources for beach nourishment, assuming the channels contain muddy estuarine deposits. The areas between channels are Pleistocene glacial deposits and probably consist of coarse sediment that may be suitable for beach nourishment. These coarser-grained glacial deposits are the source for modern sand deposits. The modern sands have been reworked primarily from glacial deposits and a Cretaceous outcrop off Watch Hill. These reworked deposits provide well-sorted clean sand that have and will provide nourishment for southern Long Island beaches.","language":"ENGLISH","doi":"10.3133/ofr99559","usgsCitation":"Foster, D.S., Swift, B.A., and Schwab, W.C., 1999, Stratigraphic framework maps of the nearshore area of southern Long Island from Fire Island to Montauk Point, New York: U.S. Geological Survey Open-File Report 99-559, 6 maps on 2 sheets :col. ;35 x 64 cm. or smaller, sheets 102 x 139 cm., folded to 26 x 22 cm., https://doi.org/10.3133/ofr99559.","productDescription":"6 maps on 2 sheets :col. ;35 x 64 cm. or smaller, sheets 102 x 139 cm., folded to 26 x 22 cm.","costCenters":[],"links":[{"id":110065,"rank":700,"type":{"id":15,"text":"Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_25678.htm","linkFileType":{"id":5,"text":"html"},"description":"25678"},{"id":168935,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":3689,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/openfile/of99-559","linkFileType":{"id":5,"text":"html"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b25e4b07f02db6af637","contributors":{"authors":[{"text":"Foster, David S. 0000-0003-1205-0884 dfoster@usgs.gov","orcid":"https://orcid.org/0000-0003-1205-0884","contributorId":1320,"corporation":false,"usgs":true,"family":"Foster","given":"David","email":"dfoster@usgs.gov","middleInitial":"S.","affiliations":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":true,"id":227490,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Swift, B. 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","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr99334","usgsCitation":"Hawley, C.C., 1999, Alaska resource data file: Mount Fairweather quadrangle: U.S. Geological Survey Open-File Report 99-334, 204 p., https://doi.org/10.3133/ofr99334.","productDescription":"204 p.","costCenters":[],"links":[{"id":155137,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1999/0334/report-thumb.jpg"},{"id":1679,"rank":2,"type":{"id":18,"text":"Project Site"},"url":"https://doi.org/10.5066/P96MMRFD","linkFileType":{"id":5,"text":"html"}},{"id":420262,"rank":4,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_19765.htm","linkFileType":{"id":5,"text":"html"}},{"id":52613,"rank":3,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1999/0334/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States","state":"Alaska","otherGeospatial":"Mount Fairweather quadrangle","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -138.5,\n 59\n ],\n [\n -138.5,\n 58\n ],\n [\n -136,\n 58\n ],\n [\n -136,\n 59\n ],\n [\n -138.5,\n 59\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ae0e4b07f02db688310","contributors":{"authors":[{"text":"Hawley, C. C.","contributorId":102070,"corporation":false,"usgs":true,"family":"Hawley","given":"C.","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":189880,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":22627,"text":"ofr99358 - 1999 - Alaska resource data file: Tanacross quadrangle","interactions":[],"lastModifiedDate":"2025-05-21T18:33:45.554729","indexId":"ofr99358","displayToPublicDate":"2001-05-01T00:00:00","publicationYear":"1999","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":"99-358","title":"Alaska resource data file: Tanacross quadrangle","docAbstract":"No abstract available.
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No abstract available.
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr99332","usgsCitation":"Hudson, T., 1999, Alaska resource data file: Bendeleben quadrangle: U.S. Geological Survey Open-File Report 99-332, 301 p., https://doi.org/10.3133/ofr99332.","productDescription":"301 p.","costCenters":[],"links":[{"id":157383,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1999/0332/report-thumb.jpg"},{"id":1744,"rank":2,"type":{"id":18,"text":"Project Site"},"url":"https://doi.org/10.5066/P96MMRFD","linkFileType":{"id":5,"text":"html"}},{"id":52711,"rank":3,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1999/0332/ofr99332.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":420259,"rank":4,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_19767.htm","linkFileType":{"id":5,"text":"html"}}],"country":"United States","state":"Alaska","otherGeospatial":"Bendeleben quadrangle","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -165,\n 66\n ],\n [\n -165,\n 65\n ],\n [\n -162,\n 65\n ],\n [\n -162,\n 66\n ],\n [\n -165,\n 66\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ae0e4b07f02db688456","contributors":{"authors":[{"text":"Hudson, Travis","contributorId":90282,"corporation":false,"usgs":true,"family":"Hudson","given":"Travis","affiliations":[],"preferred":false,"id":190060,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":22016,"text":"ofr99522 - 1999 - A physically-based earthquake recurrence model for estimation of long-term earthquake probabilities","interactions":[],"lastModifiedDate":"2014-03-27T11:34:38","indexId":"ofr99522","displayToPublicDate":"2001-04-01T07:00:00","publicationYear":"1999","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":"99-522","title":"A physically-based earthquake recurrence model for estimation of long-term earthquake probabilities","docAbstract":"A physically-motivated model for earthquake recurrence based on the Brownian relaxation oscillator is introduced. The renewal process defining this point process model can be described by the steady rise of a state variable from the ground state to failure threshold as modulated by Brownian motion. Failure times in this model follow the Brownian passage time (BPT) distribution, which is specified by the mean time to failure, μ, and the aperiodicity of the mean, α (equivalent to the familiar coefficient of variation). Analysis of 37 series of recurrent earthquakes, M -0.7 to 9.2, suggests a provisional generic value of α = 0.5. For this value of α, the hazard function (instantaneous failure rate of survivors) exceeds the mean rate for times > μ⁄2, and is ~ ~ 2 ⁄ μ for all times > μ. Application of this model to the next M 6 earthquake on the San Andreas fault at Parkfield, California suggests that the annual probability of the earthquake is between 1:10 and 1:13.","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ofr99522","issn":"0094-9140","usgsCitation":"Ellsworth, W.L., Matthews, M.V., Nadeau, R.M., Nishenko, S., Reasenberg, P.A., and Simpson, R.W., 1999, A physically-based earthquake recurrence model for estimation of long-term earthquake probabilities: U.S. Geological Survey Open-File Report 99-522, 22 p., https://doi.org/10.3133/ofr99522.","productDescription":"22 p.","costCenters":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"links":[{"id":1188,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/1999/0522/","linkFileType":{"id":5,"text":"html"}},{"id":152992,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1999/0522/report-thumb.jpg"},{"id":51484,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1999/0522/pdf/of99-522.pdf","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -124.8,24.5 ], [ -124.8,49.383333 ], [ -66.95,49.383333 ], [ -66.95,24.5 ], [ -124.8,24.5 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b1fe4b07f02db6ab7e3","contributors":{"authors":[{"text":"Ellsworth, William L. ellsworth@usgs.gov","contributorId":787,"corporation":false,"usgs":true,"family":"Ellsworth","given":"William","email":"ellsworth@usgs.gov","middleInitial":"L.","affiliations":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"preferred":true,"id":186690,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Matthews, Mark V.","contributorId":81797,"corporation":false,"usgs":true,"family":"Matthews","given":"Mark","email":"","middleInitial":"V.","affiliations":[],"preferred":false,"id":186693,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Nadeau, Robert M.","contributorId":102373,"corporation":false,"usgs":true,"family":"Nadeau","given":"Robert","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":186695,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Nishenko, Stuart P.","contributorId":82219,"corporation":false,"usgs":true,"family":"Nishenko","given":"Stuart P.","affiliations":[],"preferred":false,"id":186694,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Reasenberg, Paul A.","contributorId":35760,"corporation":false,"usgs":true,"family":"Reasenberg","given":"Paul","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":186692,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Simpson, Robert W. simpson@usgs.gov","contributorId":1053,"corporation":false,"usgs":true,"family":"Simpson","given":"Robert","email":"simpson@usgs.gov","middleInitial":"W.","affiliations":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"preferred":true,"id":186691,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}} ,{"id":31131,"text":"ofr99442 - 1999 - Anclote Keys area side-scan sonar imagery map","interactions":[],"lastModifiedDate":"2017-02-08T12:04:46","indexId":"ofr99442","displayToPublicDate":"2001-04-01T00:00:00","publicationYear":"1999","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":"99-442","title":"Anclote Keys area side-scan sonar imagery map","language":"ENGLISH","doi":"10.3133/ofr99442","usgsCitation":"Locker, S., Hine, A.C., Brooks, G.R., Doyle, L.J., Blake, N., Guy, K.K., and Suthard, B.C., 1999, Anclote Keys area side-scan sonar imagery map: U.S. Geological Survey Open-File Report 99-442, One CD-ROM, https://doi.org/10.3133/ofr99442.","productDescription":"One CD-ROM","costCenters":[],"links":[{"id":160668,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":334967,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1999/0442/ofr99442.zip","linkFileType":{"id":6,"text":"zip"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ac8e4b07f02db67c2a7","contributors":{"authors":[{"text":"Locker, S. 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F.","contributorId":99173,"corporation":false,"usgs":true,"family":"Parolski","given":"K.","email":"","middleInitial":"F.","affiliations":[],"preferred":false,"id":205088,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Brooks, G. R.","contributorId":96312,"corporation":false,"usgs":true,"family":"Brooks","given":"G.","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":205087,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Gelfenbaum, G.R.","contributorId":88766,"corporation":false,"usgs":true,"family":"Gelfenbaum","given":"G.R.","email":"","affiliations":[],"preferred":false,"id":205085,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Hine, A. C.","contributorId":21197,"corporation":false,"usgs":true,"family":"Hine","given":"A.","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":205081,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Locker, S. D.","contributorId":81532,"corporation":false,"usgs":true,"family":"Locker","given":"S. D.","affiliations":[],"preferred":false,"id":205082,"contributorType":{"id":1,"text":"Authors"},"rank":8}]}} ,{"id":21781,"text":"ofr99544 - 1999 - Field trip guide to selected studies of the Southwest Mineral and Environmental Investigations Project in southeastern Arizona","interactions":[],"lastModifiedDate":"2023-06-22T13:09:42.305621","indexId":"ofr99544","displayToPublicDate":"2001-02-01T00:00:00","publicationYear":"1999","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":"99-544","title":"Field trip guide to selected studies of the Southwest Mineral and Environmental Investigations Project in southeastern Arizona","docAbstract":"The Southwest Mineral and Environmental Investigations Project is designed to address issues raised by rapid urban development in the basins of the southwestern U.S. These issues require objective geoscientific data that can be used by land managers and stakeholders to develop informed land and water use strategies. The project integrates new and existing geologic, geophysical, and geochemical data, and imagery to provide three-dimensional visualizations of the basins of southeastern Arizona. Emphasis is on developing better knowledge of the aquifer systems of both the basins and the ranges, on acquiring background and baseline information, and on determining the distribution of metals related to mineralization and the fate of these metals in surface and subsurface environments. The products of the project will be used in resolving issues of water quality and quantity, in understanding environmental impacts such as riparian ecosystem maintenace, and in evaluating mineral resources beneath and within the basins.
\nThe field trip highlights three topics and areas (figs. 1 and 2): (1) geology and geophysics of the upper San Pedro and upper Santa Cruz basins (M.E. Gettings, M. W. Bultman, and B.B. Houser), (2) geology, geophysics, and mineral resource potential of the San Rafael basin (M.W. Bultman), and (3) hydrology and aqueous geochemistry of the Red Mountain and Sonoita Creek drainage system (Floyd Gray). The trip guide, which begins and ends in Tucson, Arizona, also includes commentary on the cultural and mining history of the area.
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr99544","issn":"0566-8174","usgsCitation":"Houser, B.B., Gettings, M.E., Bultman, M., Gray, F., Caruthers, K., and Hirschberg, D., 1999, Field trip guide to selected studies of the Southwest Mineral and Environmental Investigations Project in southeastern Arizona: U.S. Geological Survey Open-File Report 99-544, Report: 50 p., Readme, https://doi.org/10.3133/ofr99544.","productDescription":"Report: 50 p., Readme","numberOfPages":"55","additionalOnlineFiles":"Y","costCenters":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"links":[{"id":154786,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/ofr99544.jpg"},{"id":285053,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1999/0544/pdf/of99-544.pdf"},{"id":1204,"rank":4,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/1999/0544/","linkFileType":{"id":5,"text":"html"}},{"id":285052,"rank":3,"type":{"id":20,"text":"Read Me"},"url":"https://pubs.usgs.gov/of/1999/0544/readme.doc"}],"projection":"Universal Transverse Mercator projection","datum":"North American Datum 1927","country":"United States","state":"Arizona","otherGeospatial":"San Rafael Basin, Red Mountain, Sonoita Creek, Upper San Pedro Basin, Upper Santa Cruz Basin","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -111.249619,31.318448 ], [ -111.249619,32.500496 ], [ -109.749298,32.500496 ], [ -109.749298,31.318448 ], [ -111.249619,31.318448 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49fbe4b07f02db5f4b8c","contributors":{"authors":[{"text":"Houser, B. B.","contributorId":46092,"corporation":false,"usgs":true,"family":"Houser","given":"B.","email":"","middleInitial":"B.","affiliations":[],"preferred":false,"id":185656,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Gettings, M. E.","contributorId":25148,"corporation":false,"usgs":true,"family":"Gettings","given":"M.","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":185655,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Bultman, M.W.","contributorId":107306,"corporation":false,"usgs":true,"family":"Bultman","given":"M.W.","affiliations":[],"preferred":false,"id":185658,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Gray, Floyd 0000-0002-0223-8966 fgray@usgs.gov","orcid":"https://orcid.org/0000-0002-0223-8966","contributorId":603,"corporation":false,"usgs":true,"family":"Gray","given":"Floyd","email":"fgray@usgs.gov","affiliations":[{"id":662,"text":"Western Mineral and Environmental Resources Science Center","active":true,"usgs":true},{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"preferred":true,"id":185653,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Caruthers, K.R.","contributorId":19081,"corporation":false,"usgs":true,"family":"Caruthers","given":"K.R.","email":"","affiliations":[],"preferred":false,"id":185654,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Hirschberg, D.M.","contributorId":84664,"corporation":false,"usgs":true,"family":"Hirschberg","given":"D.M.","email":"","affiliations":[],"preferred":false,"id":185657,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}} ,{"id":31135,"text":"ofr99523 - 1999 - Preliminary digital map of cryptocrystalline occurrences in northern Nevada","interactions":[],"lastModifiedDate":"2023-06-22T13:07:43.382122","indexId":"ofr99523","displayToPublicDate":"2001-02-01T00:00:00","publicationYear":"1999","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":"99-523","title":"Preliminary digital map of cryptocrystalline occurrences in northern Nevada","docAbstract":"The purpose was to identify potential cryptocrystalline material sources for tools used by indigenous people of the northern Nevada portion of the Great Basin. Cryptocrystalline occurrence data combed from the U.S. Geological Survey's Mineral Resources Data System (MRDS, 1995) were combined with sites described in Nevada rockhound guides and entered into a geographic information system (GIS). The map area encompasses northern Nevada (fig.1). This open-file report describes the methods used to convert cryptocrystalline occurrence data into a digital format, documents the file structures, and explains how to download the digital files from the U.S. Geological Survey's World Wide Web site. Uses of the spatial dataset include, but are not limited to, natural and cultural resource management, interdisciplinary activities, recreational rockhounding, and gold exploration. It is important to note that the accuracy of the spatial data varies widely, and for some purposes, field checks are advised.","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr99523","usgsCitation":"Moyer, L.A., 1999, Preliminary digital map of cryptocrystalline occurrences in northern Nevada: U.S. Geological Survey Open-File Report 99-523, Report: ii, 38 p.; Readme; 2 Metadata files; 4 MRDS shapefiles; 6 Rockhound shapefiles; MRDS ArcInfo; Rockhound ArcInfo; Plot file, https://doi.org/10.3133/ofr99523.","productDescription":"Report: ii, 38 p.; Readme; 2 Metadata files; 4 MRDS shapefiles; 6 Rockhound shapefiles; MRDS ArcInfo; Rockhound ArcInfo; Plot file","numberOfPages":"40","additionalOnlineFiles":"Y","costCenters":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"links":[{"id":285029,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1999/0523/pdf/of99-523.pdf"},{"id":285028,"rank":3,"type":{"id":16,"text":"Metadata"},"url":"https://pubs.usgs.gov/of/1999/0523/rkhnd.txt"},{"id":285026,"rank":5,"type":{"id":20,"text":"Read Me"},"url":"https://pubs.usgs.gov/of/1999/0523/readme.doc"},{"id":285027,"rank":4,"type":{"id":16,"text":"Metadata"},"url":"https://pubs.usgs.gov/of/1999/0523/mrds.txt"},{"id":160693,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/ofr99523.PNG"},{"id":2618,"rank":6,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/1999/0523/","linkFileType":{"id":5,"text":"html"}}],"country":"United States","state":"Nevada","otherGeospatial":"Great Basin","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -120.01,39.0 ], [ -120.01,42.0 ], [ -114.04,42.0 ], [ -114.04,39.0 ], [ -120.01,39.0 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b05e4b07f02db699dc8","contributors":{"authors":[{"text":"Moyer, Lorre A.","contributorId":106152,"corporation":false,"usgs":true,"family":"Moyer","given":"Lorre","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":205096,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":24443,"text":"ofr99273 - 1999 - Precipitation, atmospheric deposition, streamflow, and water-quality data from selected sites in the city of Charlotte and Mecklenburg County, North Carolina, 1997–98","interactions":[],"lastModifiedDate":"2022-10-27T21:05:23.653278","indexId":"ofr99273","displayToPublicDate":"2001-01-01T00:00:00","publicationYear":"1999","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":"99-273","title":"Precipitation, atmospheric deposition, streamflow, and water-quality data from selected sites in the city of Charlotte and Mecklenburg County, North Carolina, 1997–98","docAbstract":"Precipitation data were collected at 46 precipitation sites and 3 atmospheric deposition sites, and hydrologic data were collected at 6 stream sites in the vicinity of Charlotte and Mecklenburg County, North Carolina, from July 1997 through September 1998. Data were collected to identify the type, concentration, and amount of nonpoint-source stormwater runoff in the study area. The data collected include measurements of precipitation; streamflow; physical characteristics, such as water temperature, pH, specific conductance, biochemical oxygen demand, oil and grease, and suspended-sediment concentrations; and concentrations of nutrients, metals and minor constituents, and organic compounds. These data will provide information needed for (1) planned watershed simulation models, (2) estimates of nonpoint-source constituent loadings to the Catawba River, and (3) characterization of water quality in relation to basin conditions. Streamflow and rainfall data have been used to provide early warnings of possible flooding.
","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ofr99273","usgsCitation":"Sarver, K.M., Hazell, W., and Robinson, J.B., 1999, Precipitation, atmospheric deposition, streamflow, and water-quality data from selected sites in the city of Charlotte and Mecklenburg County, North Carolina, 1997–98: U.S. Geological Survey Open-File Report 99-273, vi, 144 p., https://doi.org/10.3133/ofr99273.","productDescription":"vi, 144 p.","costCenters":[{"id":13634,"text":"South Atlantic Water Science Center","active":true,"usgs":true}],"links":[{"id":53520,"rank":299,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1999/0273/ofr19990273.pdf","text":"Report","linkFileType":{"id":1,"text":"pdf"},"description":"OFR 1999-273"},{"id":408833,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_23164.htm","linkFileType":{"id":5,"text":"html"}},{"id":157180,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1999/0273/coverthb.jpg"}],"country":"United States","state":"North Carolina","county":"Mecklenburg County","city":"Charlotte","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -81.112,\n 35.5\n ],\n [\n -81.112,\n 35.011\n ],\n [\n -80.106,\n 35.011\n ],\n [\n -80.106,\n 35.5\n ],\n [\n -81.112,\n 35.5\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","contact":"Director, South Atlantic Water Science Center
U.S. Geological Survey
720 Gracern Road
Columbia, SC 29210
No abstract available.
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr99465","usgsCitation":"Runner, M.S., 1999, Summary of data collected for the demonstration erosion control project in the Yazoo River basin, north-central Mississippi, October 1997-September 1998: U.S. Geological Survey Open-File Report 99-465, iv, 53 p., https://doi.org/10.3133/ofr99465.","productDescription":"iv, 53 p.","costCenters":[],"links":[{"id":403685,"rank":2,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_23063.htm","linkFileType":{"id":5,"text":"html"}},{"id":53497,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1999/0465/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":156790,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1999/0465/report-thumb.jpg"}],"country":"United States","state":"Mississippi","otherGeospatial":"Yazoo River Basin","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -91.2080,\n 32.367\n ],\n [\n -88.867,\n 32.367\n ],\n [\n -88.867,\n 35\n ],\n [\n -91.2080,\n 35\n ],\n [\n -91.2080,\n 32.367\n ]\n ]\n ]\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b04e4b07f02db69933e","contributors":{"authors":[{"text":"Runner, Michael S. msrunner@usgs.gov","contributorId":3497,"corporation":false,"usgs":true,"family":"Runner","given":"Michael","email":"msrunner@usgs.gov","middleInitial":"S.","affiliations":[],"preferred":true,"id":191874,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":22203,"text":"ofr99581 - 1999 - Surficial geology and distribution of post-impoundment sediment of the western part of Lake Mead based on a sidescan sonar and high-resolution seismic-reflection survey","interactions":[],"lastModifiedDate":"2012-02-02T00:08:08","indexId":"ofr99581","displayToPublicDate":"2001-01-01T00:00:00","publicationYear":"1999","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":"99-581","title":"Surficial geology and distribution of post-impoundment sediment of the western part of Lake Mead based on a sidescan sonar and high-resolution seismic-reflection survey","docAbstract":"Sidescan sonar imagery and high-resolution seismic-reflection profiles were collected in Las Vegas Bay and Boulder Basin of Lake Mead to determine the surficial geology as well as the distribution and thickness of sediment that has accumulated in these areas of the lake since the completion of Hoover Dam in 1935 (Gould, 1951). Results indicate that the accumulation of post-impoundment sediment is restricted to the original Colorado River bed which runs down the axis of Boulder Basin from Boulder Canyon to Hoover Dam, and the old Las Vegas Creek bed that bisects Las Vegas Bay. The sediment cover along the original Colorado River bed is continuous and is typically greater than 10-m thick throughout much of its length with the thickness in some areas exceeding 35 meters. The flat-lying nature of the deposits suggests that they are the result of turbidity currents that flow the length of the lake. The sediment cover in Las Vegas Bay is much thinner (rarely exceeding 2 m in thickness) and more discontinuous. The source for these sediments presumably is Las Vegas Wash and a series of other ephemeral washes that empty into this part of the lake. The presence of sediments along the entire length of the Las Vegas Creek bed suggests that turbidity currents probably are active here as well, and that sediment has been transported from these streams at least 10 km down the axis of this valley to where it enters Boulder Basin. Alluvial deposits and rock outcrops are still exposed on large parts of the lake floor.","language":"ENGLISH","publisher":"U.S. Geological Survey,","doi":"10.3133/ofr99581","issn":"0094-9140","usgsCitation":"Twichell, D.C., Cross, V.A., Rudin, M.J., and Parolski, K.F., 1999, Surficial geology and distribution of post-impoundment sediment of the western part of Lake Mead based on a sidescan sonar and high-resolution seismic-reflection survey: U.S. Geological Survey Open-File Report 99-581, 27 leaves :ill. (some col.), col. maps ;28 cm., https://doi.org/10.3133/ofr99581.","productDescription":"27 leaves :ill. 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In 1989, the average rate of ground-water withdrawal from the lower unit of the Chicot aquifer in Orange County for municipal and industrial use was 13.8 million gallons per day, a substantial decrease from the historical high of 23.1 million gallons per day in 1972. The average withdrawal for industrial use decreased substantially from 14.4 million gallons per day during 1963?84 to 6.9 million gallons per day during 1985?89. The average withdrawal for municipal use during 1985?89 was 6.8 million gallons per day, similar to the average withdrawal of 5.8 million gallons per day during 1963?84. Water levels in wells in most of the study area rose during 1985?90. The largest rise in water levels was more than 10 feet in parts of Orange and Pinehurst, north of site B (one of three areas of ground-water withdrawal for industrial use), while the largest decline in water levels was a localized decline of more than 60 feet at site C in south-central Orange County (also an area of withdrawal for industrial use). Chemical analyses of ground-water samples from the lower Chicot aquifer during 1985?90 indicate that the aquifer contained mostly freshwater (dissolved solids concentrations less than 1,000 milligrams per liter). Dissolved chloride concentrations remained relatively constant in most wells during 1985?90 but could vary greatly between wells within short distances. Saline-water encroachment continued to occur during 1985?89 but at a slower rate than in the 1970s and early 1980s. On the basis of chemical data collected during 1985?89, a relation was determined between specific conductance and dissolved chloride concentration that can be used to estimate dissolved chloride by multiplying the specific conductance by different factors for low or high conductances.
","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ofr99603","usgsCitation":"Kasmarek, M.C., 1999, Ground-water data in Orange County and adjacent counties, Texas, 1985-90: U.S. Geological Survey Open-File Report 99-603, 38 p., https://doi.org/10.3133/ofr99603.","productDescription":"38 p.","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":583,"text":"Texas Water Science Center","active":true,"usgs":true}],"links":[{"id":135578,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/ofr99603.PNG"},{"id":327872,"rank":101,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1999/ofr99-603/pdf/ofr99-603.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":3684,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.water.usgs.gov/ofr99-603/","linkFileType":{"id":5,"text":"html"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b05e4b07f02db6996ef","contributors":{"authors":[{"text":"Kasmarek, Mark C. 0000-0003-2808-2506 mckasmar@usgs.gov","orcid":"https://orcid.org/0000-0003-2808-2506","contributorId":1968,"corporation":false,"usgs":true,"family":"Kasmarek","given":"Mark","email":"mckasmar@usgs.gov","middleInitial":"C.","affiliations":[{"id":583,"text":"Texas Water Science Center","active":true,"usgs":true}],"preferred":true,"id":227717,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":47174,"text":"ofr99533B - 1999 - Geologic map of the Oasis Valley basin and vicinity, Nye County, Nevada","interactions":[],"lastModifiedDate":"2022-04-06T21:21:39.127616","indexId":"ofr99533B","displayToPublicDate":"2001-01-01T00:00:00","publicationYear":"1999","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":"99-533","chapter":"B","title":"Geologic map of the Oasis Valley basin and vicinity, Nye County, Nevada","docAbstract":"No abstract available.
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr99533B","usgsCitation":"Fridrich, C.J., Minor, S., Ryder, P.L., Slate, J.L., Warren, R., Hildenbrand, T., Sawyer, D., and Orkild, P., 1999, Geologic map of the Oasis Valley basin and vicinity, Nye County, Nevada: U.S. Geological Survey Open-File Report 99-533, Report: 43 p.; 2 Plates: 48.00 × 35.00 inches and 34.00 × 35.00 inches, https://doi.org/10.3133/ofr99533B.","productDescription":"Report: 43 p.; 2 Plates: 48.00 × 35.00 inches and 34.00 × 35.00 inches","costCenters":[{"id":318,"text":"Geosciences and Environmental Change Science Center","active":true,"usgs":true}],"links":[{"id":84161,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1999/0533b/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":19844,"rank":400,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1999/0533b/plate-2.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":19843,"rank":400,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1999/0533b/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":135807,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1999/0533b/report-thumb.jpg"},{"id":398272,"rank":5,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_23160.htm"}],"scale":"62500","country":"United States","state":"Nevada","county":"Nye County","otherGeospatial":"Oasis Valley basin and vicinity","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -116.875,\n 36.875\n ],\n [\n -116.5,\n 36.875\n ],\n [\n -116.5,\n 37.25\n ],\n [\n -116.875,\n 37.25\n ],\n [\n -116.875,\n 36.875\n ]\n ]\n ]\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4afbe4b07f02db69609e","contributors":{"authors":[{"text":"Fridrich, Christopher J. 0000-0003-2453-6478 fridrich@usgs.gov","orcid":"https://orcid.org/0000-0003-2453-6478","contributorId":1251,"corporation":false,"usgs":true,"family":"Fridrich","given":"Christopher","email":"fridrich@usgs.gov","middleInitial":"J.","affiliations":[{"id":318,"text":"Geosciences and Environmental Change Science Center","active":true,"usgs":true}],"preferred":true,"id":234757,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Minor, S.A.","contributorId":65047,"corporation":false,"usgs":true,"family":"Minor","given":"S.A.","email":"","affiliations":[],"preferred":false,"id":234760,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Ryder, P. 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P.","contributorId":46494,"corporation":false,"usgs":true,"family":"Orkild","given":"P. 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It is comprised of Late Jurassic through Early Cretaceous source rocks deposited in restricted marine environments and various Mesozoic reservoir rocks deposited in deep-water fan to fluvial settings. Jurassic age intraformational shales and claystones and Cretaceous regional claystones seal the reservoirs. Since 1967, when exploration began in this 105,000 km2 area, fewer than 40 wells have been drilled and only one recent oil discovery is considered potentially commercial. Prior to the most recent oil discovery, on the eastern side of the basin, a giant gas field was discovered in 1971, under a modern reef on the west side of the basin. Several additional oil and gas discoveries and shows were made elsewhere. 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