{"pageNumber":"3324","pageRowStart":"83075","pageSize":"25","recordCount":184904,"records":[{"id":23200,"text":"ofr99245 - 1999 - Quality of stormwater runoff from an urbanizing watershed and a rangeland watershed in the Edwards aquifer recharge zone, Bexar and Uvalde counties, Texas, 1996-98","interactions":[],"lastModifiedDate":"2016-08-23T15:15:35","indexId":"ofr99245","displayToPublicDate":"2000-07-01T00:00:00","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":"99-245","title":"Quality of stormwater runoff from an urbanizing watershed and a rangeland watershed in the Edwards aquifer recharge zone, Bexar and Uvalde counties, Texas, 1996-98","docAbstract":"<p>Encroachment of urban development on the outcrop of the Edwards aquifer (the recharge zone), particularly in Bexar County, has raised the issue of possible contamination of water that enters the aquifer. Increasing residential and commercial development on the recharge zone increases the potential for runoff containing toxic substances, oil spills, or leakage of hazardous materials to contaminate the regional drinking water supply.</p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Austin, TX","doi":"10.3133/ofr99245","issn":"0094-9140","collaboration":"In cooperation with the Edwards Aquifer Authority and the Nature Conservancy of Texas","usgsCitation":"Ging, P.B., 1999, Quality of stormwater runoff from an urbanizing watershed and a rangeland watershed in the Edwards aquifer recharge zone, Bexar and Uvalde counties, Texas, 1996-98: U.S. Geological Survey Open-File Report 99-245, 2 p., https://doi.org/10.3133/ofr99245.","productDescription":"2 p.","costCenters":[{"id":583,"text":"Texas Water Science Center","active":true,"usgs":true}],"links":[{"id":327745,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/ofr99245.JPG"},{"id":1330,"rank":99,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.water.usgs.gov/ofr99-245","linkFileType":{"id":5,"text":"html"}}],"country":"United States","state":"Texas","county":"Bexar County, Uvalde County","otherGeospatial":"Edwards Aquifer recharge zone","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a8ee4b07f02db6549c2","contributors":{"authors":[{"text":"Ging, P. B.","contributorId":50935,"corporation":false,"usgs":true,"family":"Ging","given":"P.","email":"","middleInitial":"B.","affiliations":[],"preferred":false,"id":189626,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":22204,"text":"ofr99234 - 1999 - A survey of potential dredge disposal sites in the tidal Potomac River and upper Potomac Estuary between Washington, D.C. and the Route 301 bridge","interactions":[],"lastModifiedDate":"2012-02-02T00:08:08","indexId":"ofr99234","displayToPublicDate":"2000-07-01T00:00:00","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":"99-234","title":"A survey of potential dredge disposal sites in the tidal Potomac River and upper Potomac Estuary between Washington, D.C. and the Route 301 bridge","language":"ENGLISH","publisher":"U.S. Dept. of the Interior, U.S. Geological Survey ;\r\nBranch of Information Services [distributor],","doi":"10.3133/ofr99234","issn":"0094-9140","usgsCitation":"Rybicki, N.B., Ruhl, H., Reel, J.T., and Carter, V., 1999, A survey of potential dredge disposal sites in the tidal Potomac River and upper Potomac Estuary between Washington, D.C. and the Route 301 bridge: U.S. Geological Survey Open-File Report 99-234, iii, 10 p. :maps ;28 cm., https://doi.org/10.3133/ofr99234.","productDescription":"iii, 10 p. :maps ;28 cm.","costCenters":[],"links":[{"id":156585,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1999/0234/report-thumb.jpg"},{"id":51636,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1999/0234/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b17e4b07f02db6a5dcb","contributors":{"authors":[{"text":"Rybicki, N. B.","contributorId":97504,"corporation":false,"usgs":true,"family":"Rybicki","given":"N.","email":"","middleInitial":"B.","affiliations":[],"preferred":false,"id":187605,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Ruhl, H.","contributorId":31416,"corporation":false,"usgs":true,"family":"Ruhl","given":"H.","email":"","affiliations":[],"preferred":false,"id":187604,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Reel, J. T.","contributorId":104518,"corporation":false,"usgs":true,"family":"Reel","given":"J.","email":"","middleInitial":"T.","affiliations":[],"preferred":false,"id":187606,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Carter, Virginia","contributorId":12018,"corporation":false,"usgs":true,"family":"Carter","given":"Virginia","email":"","affiliations":[],"preferred":false,"id":187603,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":21916,"text":"ofr99432 - 1999 - Lithostratigraphy, geophysics, biostratigraphy, and strontium-isotope stratigraphy of the surficial aquifer system of eastern Collier County and northern Monroe County, Florida","interactions":[],"lastModifiedDate":"2025-02-18T19:01:23.607024","indexId":"ofr99432","displayToPublicDate":"2000-07-01T00:00:00","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":"99-432","title":"Lithostratigraphy, geophysics, biostratigraphy, and strontium-isotope stratigraphy of the surficial aquifer system of eastern Collier County and northern Monroe County, Florida","docAbstract":"In 1997, ten cores were drilled in eastern Collier County and northern Monroe County, within the limits of the Big Cypress National Preserve. These cores represent a continuation of the study of seven cores in western Collier County begun in 1996 and reported in Weedman and others (1997) and Edwards and others (1998). This joint U.S. Geological Survey and Florida Geological Survey project is designed to acquire subsurface geologic and hydrologic data in southwest Florida to extend current ground-water models, thereby expanding the utility of these models for land and water management. In this report we describe the lithostratigraphy, geophysical logging, sedimentological analysis, dinocyst biostratigraphy, and strontium-isotope stratigraphy of these ten cores. \r\n\r\nThe three geophysical logs (natural gamma-ray, induction conductivity, and neutron porosity) assumed to be related to formation lithology and water quality show that a number of clay-rich zones are present in all of the boreholes, and that pore-water conductivity increases with depth. The clay-rich zones are confirmed by visual examination of core material and sedimentological analysis.\r\n\r\nThe relative transmissivity calculated at 10-foot-thick intervals shows that in six of the boreholes, high values are associated with the shallow aquifer in the 0-40 ft interval. Two of the boreholes (the most northerly and the most easterly) showed relatively higher values of transmissivity in permeable zones at or somewhat below 100 ft in depth. Core geology and logs indicate that the deeper aquifers are not more permeable than similar deeper zones in the other boreholes, but rather that the shallow aquifer appears to be less permeable in these two coreholes.\r\n\r\nThe Arcadia (?) Formation was only penetrated in the deepest core where it is late Miocene in age. The Peace River Formation was penetrated in all but the two westernmost cores. It yields a late Miocene age, based on both dinocysts and strontium-isotope stratigraphy. The top is an irregular surface. Age and stratigraphic relations suggest that the upper part of the Peace River and lower part of the unnamed formation are at least partially equivalent laterally.\r\n\r\nThe unnamed formation was recovered in every core. It is thinnest in the northernmost core and thickest to the west. Ages calculated from strontium isotopes range from 6.9 to 4.6 million years ago (late Miocene to early Pliocene). The top of the unnamed formation is deepest to the north and it becomes shallower to the southwest.\r\n\r\nThe Tamiami Formation also was recovered in every core and consistently yields early Pliocene ages; it yields late Pliocene ages near the top in two cores. The age and lateral relations strongly suggest that the lower part of the Tamiami Formation and the upper part of the unnamed formation are lateral facies of each other.\r\n\r\nThe Fort Thompson (?) Formation, Miami Limestone, and undifferentiated siliciclastic sediments and limestone at the very top of the cores were not dated.","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr99432","issn":"0094-9140","usgsCitation":"Weedman, S., Paillet, F.L., Edwards, L.E., Simmons, K.R., Scott, T., Wardlaw, B.R., Reese, R., and Blair, J., 1999, Lithostratigraphy, geophysics, biostratigraphy, and strontium-isotope stratigraphy of the surficial aquifer system of eastern Collier County and northern Monroe County, Florida: U.S. Geological Survey Open-File Report 99-432, 125 p., https://doi.org/10.3133/ofr99432.","productDescription":"125 p.","costCenters":[{"id":243,"text":"Eastern Geology and Paleoclimate Science Center","active":true,"usgs":true},{"id":40020,"text":"Florence Bascom Geoscience Center","active":true,"usgs":true}],"links":[{"id":1275,"rank":2,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/1999/of99-432/index.html","linkFileType":{"id":5,"text":"html"}},{"id":155273,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.er.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":482192,"rank":3,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1999/of99-432/of99-432.pdf","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States","state":"Florida","county":"Collier County, Monroe County","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -81.9854736328125,\n              25.530050090109015\n            ],\n            [\n              -80.958251953125,\n              25.530050090109015\n            ],\n            [\n              -80.958251953125,\n              26.58607100679426\n            ],\n            [\n              -81.9854736328125,\n              26.58607100679426\n            ],\n            [\n              -81.9854736328125,\n              25.530050090109015\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a61e4b07f02db635f8d","contributors":{"authors":[{"text":"Weedman, S.D.","contributorId":23961,"corporation":false,"usgs":true,"family":"Weedman","given":"S.D.","affiliations":[],"preferred":false,"id":186227,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Paillet, Frederick L.","contributorId":63820,"corporation":false,"usgs":true,"family":"Paillet","given":"Frederick","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":186229,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Edwards, Lucy E. 0000-0003-4075-3317 leedward@usgs.gov","orcid":"https://orcid.org/0000-0003-4075-3317","contributorId":2647,"corporation":false,"usgs":true,"family":"Edwards","given":"Lucy","email":"leedward@usgs.gov","middleInitial":"E.","affiliations":[{"id":40020,"text":"Florence Bascom Geoscience Center","active":true,"usgs":true},{"id":243,"text":"Eastern Geology and Paleoclimate Science Center","active":true,"usgs":true}],"preferred":true,"id":186224,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Simmons, K. R.","contributorId":68771,"corporation":false,"usgs":true,"family":"Simmons","given":"K.","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":186231,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Scott, T.M.","contributorId":66694,"corporation":false,"usgs":true,"family":"Scott","given":"T.M.","email":"","affiliations":[],"preferred":false,"id":186230,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Wardlaw, B. R.","contributorId":9269,"corporation":false,"usgs":true,"family":"Wardlaw","given":"B.","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":186225,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Reese, R.S.","contributorId":17644,"corporation":false,"usgs":true,"family":"Reese","given":"R.S.","email":"","affiliations":[],"preferred":false,"id":186226,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Blair, J. L.","contributorId":55857,"corporation":false,"usgs":true,"family":"Blair","given":"J.","middleInitial":"L.","affiliations":[],"preferred":false,"id":186228,"contributorType":{"id":1,"text":"Authors"},"rank":8}]}}
,{"id":22842,"text":"ofr99577 - 1999 - Principal facts for 300 gravity stations in the vicinity of Los Angeles and Hollywood, California","interactions":[],"lastModifiedDate":"2012-02-02T00:07:57","indexId":"ofr99577","displayToPublicDate":"2000-07-01T00:00:00","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":"99-577","title":"Principal facts for 300 gravity stations in the vicinity of Los Angeles and Hollywood, California","language":"ENGLISH","publisher":"U.S. Dept. of the Interior, U.S. Geological Survey,","doi":"10.3133/ofr99577","issn":"0094-9140","usgsCitation":"Davidson, J.G., Berg, M., and Hamilton, J.C., 1999, Principal facts for 300 gravity stations in the vicinity of Los Angeles and Hollywood, California: U.S. Geological Survey Open-File Report 99-577, ii, 14 p. :ill., maps ;28 cm., https://doi.org/10.3133/ofr99577.","productDescription":"ii, 14 p. :ill., maps ;28 cm.","costCenters":[],"links":[{"id":155203,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1999/0577/report-thumb.jpg"},{"id":52267,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1999/0577/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4aaae4b07f02db668d66","contributors":{"authors":[{"text":"Davidson, J. G.","contributorId":11243,"corporation":false,"usgs":true,"family":"Davidson","given":"J.","email":"","middleInitial":"G.","affiliations":[],"preferred":false,"id":188977,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Berg, M.J.","contributorId":12515,"corporation":false,"usgs":true,"family":"Berg","given":"M.J.","email":"","affiliations":[],"preferred":false,"id":188978,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Hamilton, J. C.","contributorId":61837,"corporation":false,"usgs":true,"family":"Hamilton","given":"J.","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":188979,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":21642,"text":"ofr99434 - 1999 - Calibration formulae and values for velocity seismometers used in the 1998 Santa Clara Valley, California seismic experiment","interactions":[],"lastModifiedDate":"2014-03-26T15:24:53","indexId":"ofr99434","displayToPublicDate":"2000-07-01T00:00:00","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":"99-434","title":"Calibration formulae and values for velocity seismometers used in the 1998 Santa Clara Valley, California seismic experiment","docAbstract":"Eaton (1975), Bakun and Dratler (1976), Eaton (1977), Healy and O’Neil (1977), Asten (1977), Stewart and O'Neill (1980), Liu and Peselnick (1986), Eaton (1991), Rodgers et al. (1995), and many others (see Asten (1977) for a list of earlier references) have presented formulae for calculating the damped generator constant (or motor constant), and the damping constant (or fractional damping ratio) for magnetically damped velocity seismometers. Unfortunately the notation varies between authors, and not all the formulae allow for some of the significant variables -- differences in input impedance of the recording system in particular. This has become particularly relevant because the USGS seismic networks in California have traditionally set up their velocity sensors for the 10K Ohm impedance of the standard USGS analog telemetry systems (Eaton, 1977), but modern digital recording systems are usually set up with high input impedances, often of a megaohm or greater. Thus the nominal calibration values valid for USGS velocity sensors in their “normal” configuration are incorrect when they are recorded on other systems.\n\nIn this short note we have collected the relevant formulae needed, and computed the seismometer responses for the various velocity sensors used in the recent Santa Clara Valley Seismic Experiment (SCVSE, see Lindh et al., 1999).","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ofr99434","issn":"0566-8174","usgsCitation":"Lindh, A.G., Eaton, J.P., O’Neill Allen, M., Healy, J., Stewart, S., and Damerell, L., 1999, Calibration formulae and values for velocity seismometers used in the 1998 Santa Clara Valley, California seismic experiment: U.S. Geological Survey Open-File Report 99-434, Report: PDF, 7 p.; Report: DOC; 3 Tables, https://doi.org/10.3133/ofr99434.","productDescription":"Report: PDF, 7 p.; Report: DOC; 3 Tables","numberOfPages":"7","temporalStart":"1998-01-01","temporalEnd":"1998-12-31","costCenters":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"links":[{"id":154274,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/ofr99434.jpg"},{"id":1270,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/1999/0434/","linkFileType":{"id":5,"text":"html"}},{"id":284986,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1999/0434/pdf/of99-434.pdf"},{"id":284987,"type":{"id":7,"text":"Companion Files"},"url":"https://pubs.usgs.gov/of/1999/0434/of99-434.doc"},{"id":284988,"type":{"id":7,"text":"Companion Files"},"url":"https://pubs.usgs.gov/of/1999/0434/Table1.xls"},{"id":284989,"type":{"id":7,"text":"Companion Files"},"url":"https://pubs.usgs.gov/of/1999/0434/Table2.xls"},{"id":284990,"type":{"id":7,"text":"Companion Files"},"url":"https://pubs.usgs.gov/of/1999/0434/Table3.xls"}],"country":"United States","state":"California","otherGeospatial":"Santa Clara Valley","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -121.85596,37.23995 ], [ -121.85596,37.257714 ], [ -121.823945,37.257714 ], [ -121.823945,37.23995 ], [ -121.85596,37.23995 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"53cd500ae4b0b290850f318d","contributors":{"authors":[{"text":"Lindh, Allan Goddard","contributorId":59798,"corporation":false,"usgs":true,"family":"Lindh","given":"Allan","email":"","middleInitial":"Goddard","affiliations":[],"preferred":false,"id":185032,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Eaton, Jerry P.","contributorId":22341,"corporation":false,"usgs":true,"family":"Eaton","given":"Jerry","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":185030,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"O’Neill Allen, Mary","contributorId":99462,"corporation":false,"usgs":true,"family":"O’Neill Allen","given":"Mary","email":"","affiliations":[],"preferred":false,"id":185033,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Healy, John H.","contributorId":19562,"corporation":false,"usgs":true,"family":"Healy","given":"John H.","affiliations":[],"preferred":false,"id":185028,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Stewart, Samuel W.","contributorId":20250,"corporation":false,"usgs":true,"family":"Stewart","given":"Samuel W.","affiliations":[],"preferred":false,"id":185029,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Damerell, Lu","contributorId":25073,"corporation":false,"usgs":true,"family":"Damerell","given":"Lu","email":"","affiliations":[],"preferred":false,"id":185031,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}}
,{"id":24440,"text":"ofr99588 - 1999 - Summary of data for quality assessment materials analyzed from January 1994 through November 1998 using the NAWQA Program bed-sediment analytical protocol","interactions":[],"lastModifiedDate":"2012-02-02T00:08:17","indexId":"ofr99588","displayToPublicDate":"2000-07-01T00:00:00","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":"99-588","title":"Summary of data for quality assessment materials analyzed from January 1994 through November 1998 using the NAWQA Program bed-sediment analytical protocol","language":"ENGLISH","publisher":"U.S. Dept. of the Interior, U.S. Geological Survey,","doi":"10.3133/ofr99588","issn":"0094-9140","usgsCitation":"Sanzolone, R.F., 1999, Summary of data for quality assessment materials analyzed from January 1994 through November 1998 using the NAWQA Program bed-sediment analytical protocol: U.S. Geological Survey Open-File Report 99-588, 11 p. ;28 cm., https://doi.org/10.3133/ofr99588.","productDescription":"11 p. ;28 cm.","costCenters":[],"links":[{"id":157434,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1999/0588/report-thumb.jpg"},{"id":53513,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1999/0588/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b04e4b07f02db699300","contributors":{"authors":[{"text":"Sanzolone, R. F.","contributorId":64199,"corporation":false,"usgs":true,"family":"Sanzolone","given":"R.","middleInitial":"F.","affiliations":[],"preferred":false,"id":191927,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":24855,"text":"ofr99579 - 1999 - Alaska resource data file: Kotzebue quadrangle","interactions":[],"lastModifiedDate":"2025-05-22T13:04:26.573867","indexId":"ofr99579","displayToPublicDate":"2000-07-01T00:00:00","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":"99-579","title":"Alaska resource data file: Kotzebue quadrangle","docAbstract":"<p>No abstract available.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr99579","usgsCitation":"Williams, A., 1999, Alaska resource data file: Kotzebue quadrangle: U.S. Geological Survey Open-File Report 99-579, 12 p., https://doi.org/10.3133/ofr99579.","productDescription":"12 p.","costCenters":[],"links":[{"id":410807,"rank":4,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_25657.htm","linkFileType":{"id":5,"text":"html"}},{"id":53853,"rank":3,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1999/0579/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":157032,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1999/0579/report-thumb.jpg"},{"id":1861,"rank":2,"type":{"id":18,"text":"Project Site"},"url":"https://doi.org/10.5066/P96MMRFD","linkFileType":{"id":5,"text":"html"}}],"country":"United States","state":"Alaska","otherGeospatial":"Kotzebue quadrangle","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -162,\n              67\n            ],\n            [\n              -165,\n              67\n            ],\n            [\n              -165,\n              66\n            ],\n            [\n              -162,\n              66\n            ],\n            [\n              -162,\n              67\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ae0e4b07f02db688335","contributors":{"authors":[{"text":"Williams, Anita","contributorId":105762,"corporation":false,"usgs":true,"family":"Williams","given":"Anita","email":"","affiliations":[],"preferred":false,"id":192691,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":32301,"text":"ofr9990 - 1999 - Lineament map of Area 13 of the New Hampshire bedrock aquifer assessment, northern New Hampshire","interactions":[],"lastModifiedDate":"2012-02-02T00:09:19","indexId":"ofr9990","displayToPublicDate":"2000-07-01T00:00:00","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":"99-90","title":"Lineament map of Area 13 of the New Hampshire bedrock aquifer assessment, northern New Hampshire","language":"ENGLISH","doi":"10.3133/ofr9990","usgsCitation":"Ferguson, E.W., Marcoux, G., Degnan, J., Clark, S.F., and Moore, R.B., 1999, Lineament map of Area 13 of the New Hampshire bedrock aquifer assessment, northern New Hampshire: U.S. Geological Survey Open-File Report 99-90, 1 over-size sheet, scale 1:48,000 (1 inch = 4,000 feet). , https://doi.org/10.3133/ofr9990.","productDescription":"1 over-size sheet, scale 1:48,000 (1 inch = 4,000 feet). ","costCenters":[],"links":[{"id":163830,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":19692,"rank":400,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1999/0090/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}}],"scale":"48000","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b16e4b07f02db6a524c","contributors":{"authors":[{"text":"Ferguson, E. W.","contributorId":8519,"corporation":false,"usgs":true,"family":"Ferguson","given":"E.","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":208206,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Marcoux, G.J.","contributorId":60289,"corporation":false,"usgs":true,"family":"Marcoux","given":"G.J.","email":"","affiliations":[],"preferred":false,"id":208209,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Degnan, J.R.","contributorId":18423,"corporation":false,"usgs":true,"family":"Degnan","given":"J.R.","email":"","affiliations":[],"preferred":false,"id":208207,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Clark, S. F. Jr.","contributorId":32577,"corporation":false,"usgs":true,"family":"Clark","given":"S.","suffix":"Jr.","email":"","middleInitial":"F.","affiliations":[],"preferred":false,"id":208208,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Moore, R. B.","contributorId":98720,"corporation":false,"usgs":true,"family":"Moore","given":"R.","email":"","middleInitial":"B.","affiliations":[],"preferred":false,"id":208210,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":22078,"text":"ofr99430 - 1999 - Public review draft: digital cartographic standard for geologic map symbolization (Postscript implementation)","interactions":[],"lastModifiedDate":"2012-02-02T00:07:52","indexId":"ofr99430","displayToPublicDate":"2000-07-01T00:00:00","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":"99-430","title":"Public review draft: digital cartographic standard for geologic map symbolization (Postscript implementation)","language":"ENGLISH","publisher":"U.S. Geological Survey,","doi":"10.3133/ofr99430","issn":"0094-9140","isbn":"0607950315","usgsCitation":"Water Resources Division, U.S. Geological Survey, 1999, Public review draft: digital cartographic standard for geologic map symbolization (Postscript implementation): U.S. Geological Survey Open-File Report 99-430, 1 computer optical disc ;4 3/4 in., https://doi.org/10.3133/ofr99430.","productDescription":"1 computer optical disc ;4 3/4 in.","costCenters":[],"links":[{"id":1197,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/1999/of99-430/","linkFileType":{"id":5,"text":"html"}},{"id":154582,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a90e4b07f02db656367","contributors":{"authors":[{"text":"Water Resources Division, U.S. Geological Survey","contributorId":128075,"corporation":true,"usgs":false,"organization":"Water Resources Division, U.S. Geological Survey","id":529088,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":32297,"text":"ofr9963 - 1999 - Lineament map of Area 9 of the New Hampshire bedrock aquifer assessment, north-central New Hampshire","interactions":[],"lastModifiedDate":"2012-02-02T00:09:19","indexId":"ofr9963","displayToPublicDate":"2000-07-01T00:00:00","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":"99-63","title":"Lineament map of Area 9 of the New Hampshire bedrock aquifer assessment, north-central New Hampshire","language":"ENGLISH","doi":"10.3133/ofr9963","usgsCitation":"Clark, S.F., Ferguson, E.W., Short, H., Marcoux, G., and Moore, R.B., 1999, Lineament map of Area 9 of the New Hampshire bedrock aquifer assessment, north-central New Hampshire: U.S. Geological Survey Open-File Report 99-63, 1 over-size sheet, scale 1:48,000 (1 inch = 4,000 feet). , https://doi.org/10.3133/ofr9963.","productDescription":"1 over-size sheet, scale 1:48,000 (1 inch = 4,000 feet). ","costCenters":[],"links":[{"id":163732,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":19685,"rank":400,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1999/0063/plate-1-preview.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":19686,"rank":401,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1999/0063/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}}],"scale":"48000","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b15e4b07f02db6a5124","contributors":{"authors":[{"text":"Clark, S. F. Jr.","contributorId":32577,"corporation":false,"usgs":true,"family":"Clark","given":"S.","suffix":"Jr.","email":"","middleInitial":"F.","affiliations":[],"preferred":false,"id":208187,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Ferguson, E. W.","contributorId":8519,"corporation":false,"usgs":true,"family":"Ferguson","given":"E.","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":208185,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Short, H.A.","contributorId":30266,"corporation":false,"usgs":true,"family":"Short","given":"H.A.","email":"","affiliations":[],"preferred":false,"id":208186,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Marcoux, G.J.","contributorId":60289,"corporation":false,"usgs":true,"family":"Marcoux","given":"G.J.","email":"","affiliations":[],"preferred":false,"id":208188,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Moore, R. B.","contributorId":98720,"corporation":false,"usgs":true,"family":"Moore","given":"R.","email":"","middleInitial":"B.","affiliations":[],"preferred":false,"id":208189,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":22772,"text":"ofr99570 - 1999 - A seismic-reflection investigation of gas hydrates and sea-floor features of the upper continental slope of the Garden Banks and Green Canyon regions, northern Gulf of Mexico: report for cruise G1-99-GM (99002)","interactions":[],"lastModifiedDate":"2023-04-06T18:54:06.435234","indexId":"ofr99570","displayToPublicDate":"2000-07-01T00:00:00","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":"99-570","title":"A seismic-reflection investigation of gas hydrates and sea-floor features of the upper continental slope of the Garden Banks and Green Canyon regions, northern Gulf of Mexico: report for cruise G1-99-GM (99002)","docAbstract":"<p>During April 1999, the U.S. Geological Survey (USGS) conducted a 13-day cruise in the Garden Banks and Green Canyon regions of the Gulf of Mexico. The R/V Gyre, owned by Texas A&M University, was chartered for the cruise. The general objectives were (1) to acquire very high resolution seismic-reflection data and side-scan sonar images of the upper and middle continental slope (200-1200-m water depths), (2) to study the acoustic character and features of the sea floor for evidence of sea-floor hazards, and (3) to look for evidence of subsurface gas hydrates and their effects.</p>\n<br/>\n<p>The Gulf of Mexico is well known for hydrocarbon resources, with emphasis now on frontier deep-water areas. For water depths greater than about 250 m, the pressure-termperature conditions are correct for the development of shallow-subsurface gas hydrate formation (Anderson et al., 1992). Gas hydrates are ice-like mixtures of gas and water (Kvenvolden, 1993). They are known to be present from extensive previous sampling in sea-floor cores and from mound-like features observed on the sea floor in many parts of the northern Gulf, including the Green Canyon and Garden Banks areas (e.g., Roberts, 1995). Seismic-reflection data are extensive in the Gulf of Mexico, but few very-high-resolution data like those needed for gas-hydrate studies exist in the public domain. The occurrence and mechanisms of gas hydrate formation and dissociation are important to understand, because of their perceived economic potential for methane gas, their potential controls on local and regional sea-floor stability, and their possible effects on earth climates due to massive release of methane greenhouse gas into the atmosphere.</p>\n<br/>\n<p>Three high-resolution seismic-reflection systems and one side-scan sonar system were used on the cruise to map the surface reflectance and features of the sea floor and the acoustic geometries and character of the shallow sub-surface. The cruise was designed to acquire regional and detailed local information. The regional survey covered an area about 3400 km2 in the Green Canyon and Garden Banks regions. Data recorded included 15 cu. in. water gun multichannel seismic-reflection and Huntec boomer information. Detailed surveys were planned in two parts of the study area, but due to a winch failure only one detailed survey was done in the Green Canyon area. The detailed survey included collection of 15 cu. in. water gun multichannel seismic-reflection, chirp seismic-reflection, and side-scan data.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr99570","usgsCitation":"Cooper, A., Twichell, D., and Hart, P., 1999, A seismic-reflection investigation of gas hydrates and sea-floor features of the upper continental slope of the Garden Banks and Green Canyon regions, northern Gulf of Mexico: report for cruise G1-99-GM (99002): U.S. Geological Survey Open-File Report 99-570, 13 p., https://doi.org/10.3133/ofr99570.","productDescription":"13 p.","numberOfPages":"19","costCenters":[{"id":520,"text":"Pacific Coastal and Marine Science Center","active":true,"usgs":true}],"links":[{"id":285074,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/ofr99570.jpg"},{"id":415368,"rank":4,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_22929.htm","linkFileType":{"id":5,"text":"html"}},{"id":52206,"rank":3,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1999/0570/pdf/of99-570.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":1503,"rank":2,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/1999/0570/","linkFileType":{"id":5,"text":"html"}}],"country":"United States","otherGeospatial":"Garden Banks Region, Green Canyon region, Gulf Of Mexico","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -93,\n              28\n            ],\n            [\n              -93,\n              27.25\n            ],\n            [\n              -91.25,\n              27.25\n            ],\n            [\n              -91.25,\n              28\n            ],\n            [\n              -93,\n              28\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b18e4b07f02db6a7036","contributors":{"authors":[{"text":"Cooper, Alan","contributorId":74242,"corporation":false,"usgs":true,"family":"Cooper","given":"Alan","affiliations":[],"preferred":false,"id":188850,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Twichell, David","contributorId":15871,"corporation":false,"usgs":true,"family":"Twichell","given":"David","affiliations":[],"preferred":false,"id":188848,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Hart, Patrick","contributorId":46691,"corporation":false,"usgs":true,"family":"Hart","given":"Patrick","affiliations":[],"preferred":false,"id":188849,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":38122,"text":"ofr99564 - 1999 - Characterization of mine waste at the Elizabeth Copper Mine, Orange County, Vermont","interactions":[],"lastModifiedDate":"2018-10-29T09:43:48","indexId":"ofr99564","displayToPublicDate":"2000-07-01T00:00:00","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":"99-564","title":"Characterization of mine waste at the Elizabeth Copper Mine, Orange County, Vermont","language":"ENGLISH","publisher":"U.S. Geological Survey,","doi":"10.3133/ofr99564","issn":"0566-8174","usgsCitation":"Hammarstrom, J.M., Meier, A.L., Jackson, J., Barden, R., Wormington, P., Wormington, J., and Seal, R., 1999, Characterization of mine waste at the Elizabeth Copper Mine, Orange County, Vermont: U.S. Geological Survey Open-File Report 99-564, 1 v. 74 p.  :ill. (some col.), maps (some col.) ;28 cm., https://doi.org/10.3133/ofr99564.","productDescription":"1 v. 74 p.  :ill. (some col.), maps (some col.) ;28 cm.","costCenters":[{"id":245,"text":"Eastern Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"links":[{"id":165850,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1999/0564/report-thumb.jpg"},{"id":64371,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1999/0564/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49e2e4b07f02db5e4db7","contributors":{"authors":[{"text":"Hammarstrom, J. M.","contributorId":34513,"corporation":false,"usgs":true,"family":"Hammarstrom","given":"J.","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":219073,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Meier, A. L.","contributorId":81480,"corporation":false,"usgs":true,"family":"Meier","given":"A.","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":219075,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Jackson, J.C.","contributorId":104503,"corporation":false,"usgs":true,"family":"Jackson","given":"J.C.","email":"","affiliations":[],"preferred":false,"id":219077,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Barden, Ryan","contributorId":28294,"corporation":false,"usgs":true,"family":"Barden","given":"Ryan","email":"","affiliations":[],"preferred":false,"id":219072,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Wormington, P.J.","contributorId":27910,"corporation":false,"usgs":true,"family":"Wormington","given":"P.J.","email":"","affiliations":[],"preferred":false,"id":219071,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Wormington, J.D.","contributorId":51354,"corporation":false,"usgs":true,"family":"Wormington","given":"J.D.","email":"","affiliations":[],"preferred":false,"id":219074,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Seal, R.R. II","contributorId":102097,"corporation":false,"usgs":true,"family":"Seal","given":"R.R.","suffix":"II","email":"","affiliations":[],"preferred":false,"id":219076,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}}
,{"id":21987,"text":"ofr99565 - 1999 - On the modified Mercalli intensities and magnitudes of the 1811/1812 New Madrid, central United States, earthquakes","interactions":[],"lastModifiedDate":"2012-02-02T00:07:54","indexId":"ofr99565","displayToPublicDate":"2000-07-01T00:00:00","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":"99-565","title":"On the modified Mercalli intensities and magnitudes of the 1811/1812 New Madrid, central United States, earthquakes","language":"ENGLISH","publisher":"U.S. Geological Survey,","doi":"10.3133/ofr99565","issn":"0094-9140","usgsCitation":"Hough, S., Armbruster, J., Seeber, L., and Hough, J., 1999, On the modified Mercalli intensities and magnitudes of the 1811/1812 New Madrid, central United States, earthquakes: U.S. Geological Survey Open-File Report 99-565, 46 p. :ill., maps ;28 cm., https://doi.org/10.3133/ofr99565.","productDescription":"46 p. :ill., maps ;28 cm.","costCenters":[],"links":[{"id":154319,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1999/0565/report-thumb.jpg"},{"id":51457,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1999/0565/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4af3e4b07f02db691a6b","contributors":{"authors":[{"text":"Hough, S. E. 0000-0002-5980-2986","orcid":"https://orcid.org/0000-0002-5980-2986","contributorId":7316,"corporation":false,"usgs":true,"family":"Hough","given":"S. E.","affiliations":[],"preferred":false,"id":186558,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Armbruster, J.G.","contributorId":71202,"corporation":false,"usgs":true,"family":"Armbruster","given":"J.G.","email":"","affiliations":[],"preferred":false,"id":186559,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Seeber, Leonardo","contributorId":81133,"corporation":false,"usgs":true,"family":"Seeber","given":"Leonardo","email":"","affiliations":[],"preferred":false,"id":186560,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Hough, J.F.","contributorId":101276,"corporation":false,"usgs":true,"family":"Hough","given":"J.F.","email":"","affiliations":[],"preferred":false,"id":186561,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":24688,"text":"ofr99571 - 1999 - Geology of the Oquirrh Mountains, Utah","interactions":[],"lastModifiedDate":"2012-02-02T00:08:29","indexId":"ofr99571","displayToPublicDate":"2000-07-01T00:00:00","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":"99-571","title":"Geology of the Oquirrh Mountains, Utah","language":"ENGLISH","publisher":"U.S. Geological Survey,","doi":"10.3133/ofr99571","issn":"0094-9140","usgsCitation":"Tooker, E.W., 1999, Geology of the Oquirrh Mountains, Utah: U.S. Geological Survey Open-File Report 99-571, 150 p. :ill., maps ;28 cm., https://doi.org/10.3133/ofr99571.","productDescription":"150 p. :ill., maps ;28 cm.","costCenters":[],"links":[{"id":158166,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1999/0571/report-thumb.jpg"},{"id":53710,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1999/0571/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4acce4b07f02db67e8be","contributors":{"authors":[{"text":"Tooker, E. W.","contributorId":102071,"corporation":false,"usgs":true,"family":"Tooker","given":"E.","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":192390,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":23084,"text":"ofr99602 - 1999 - Selected hydrogeologic data for the Inyan Kara, Minnekahta, Minnelusa, Madison, and Deadwood aquifers in the Black Hills area, South Dakota","interactions":[],"lastModifiedDate":"2012-02-02T00:08:13","indexId":"ofr99602","displayToPublicDate":"2000-07-01T00:00:00","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":"99-602","title":"Selected hydrogeologic data for the Inyan Kara, Minnekahta, Minnelusa, Madison, and Deadwood aquifers in the Black Hills area, South Dakota","docAbstract":"This report presents selected hydrogeologic data on wells and springs in the Inyan Kara, Minnekahta, Minnelusa, Madison, and Deadwood aquifers in the Black Hills area of western South Dakota. The data were used to create potentiometric maps for these five aquifers.","language":"ENGLISH","publisher":"U.S. Dept. of the Interior, U.S. Geological Survey ;\r\nInformation Services [distributor],","doi":"10.3133/ofr99602","issn":"0094-9140","usgsCitation":"Galloway, J., 1999, Selected hydrogeologic data for the Inyan Kara, Minnekahta, Minnelusa, Madison, and Deadwood aquifers in the Black Hills area, South Dakota: U.S. Geological Survey Open-File Report 99-602, iii, 60 p. :ill., map ;28 cm., https://doi.org/10.3133/ofr99602.","productDescription":"iii, 60 p. :ill., map ;28 cm.","costCenters":[],"links":[{"id":156953,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":1505,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.water.usgs.gov/ofr99-602","linkFileType":{"id":5,"text":"html"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e478ee4b07f02db489f02","contributors":{"authors":[{"text":"Galloway, J.M.","contributorId":65114,"corporation":false,"usgs":true,"family":"Galloway","given":"J.M.","email":"","affiliations":[],"preferred":false,"id":189404,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":22759,"text":"ofr99153 - 1999 - Proceedings of Conference on Status of Geologic Research and Mapping, Death Valley National Park","interactions":[],"lastModifiedDate":"2018-10-23T18:08:05","indexId":"ofr99153","displayToPublicDate":"2000-07-01T00:00:00","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":"99-153","title":"Proceedings of Conference on Status of Geologic Research and Mapping, Death Valley National Park","docAbstract":"<p>Welcome to this conference on the “Status of Geologic Research and Mapping in Death Valley National Park.” We organized this conference in an effort to foster communication and increase awareness among parties conducting geologic research in and around the park. Additionally, we hope to assess the status of geologic mapping efforts within the park boundaries in an effort to provide a framework for future discussions regarding the impact and merits of the development of a park-wide geologic map. The topics presented at this meeting reflect the breadth of recent and ongoing geologic research in and near Death Valley National Park. Sessions include (1) regional structure, tectonics, and bedrock geology; (2) Neogene basin stratigraphy, geophysics, and hydrology; (3) posters on mapping in the Death Valley region and topical ones on Death Valley National Park; (4) imagery, Quaternary stratigraphy and geomorphology, and Quaternary geochronology; and (5) paleoclimate and active tectonics. On a one-day field trip to Death Valley, we will visit areas of “type locality” status as well as areas of new research.</p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ofr99153","issn":"0094-9140","usgsCitation":"1999, Proceedings of Conference on Status of Geologic Research and Mapping, Death Valley National Park: U.S. Geological Survey Open-File Report 99-153, 177 p., https://doi.org/10.3133/ofr99153.","productDescription":"177 p.","costCenters":[],"links":[{"id":52195,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1999/0153/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":1498,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/1999/ofr-99-0153/","linkFileType":{"id":5,"text":"html"}},{"id":156944,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1999/0153/report-thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a9ee4b07f02db6608c5","contributors":{"editors":[{"text":"Slate, J.L.","contributorId":101695,"corporation":false,"usgs":true,"family":"Slate","given":"J.L.","email":"","affiliations":[],"preferred":false,"id":749537,"contributorType":{"id":2,"text":"Editors"},"rank":1}]}}
,{"id":22549,"text":"ofr99527 - 1999 - Aeromagnetic surveying in Wisconsin 1998-99: Digital data files","interactions":[],"lastModifiedDate":"2026-05-04T18:00:04.551739","indexId":"ofr99527","displayToPublicDate":"2000-07-01T00:00:00","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":"99-527","title":"Aeromagnetic surveying in Wisconsin 1998-99: Digital data files","docAbstract":"<p>No abstract available.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr99527","issn":"0094-9140","usgsCitation":"Bracken, R.E., and Nicholson, S.W., 1999, Aeromagnetic surveying in Wisconsin 1998-99; digital data files: U.S. Geological Survey Open-File Report 99-527, 1 computer laser disc :col. ill., col. maps ;4 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,{"id":21636,"text":"ofr99582 - 1999 - Borehole and thin section descriptions from exploration drilling and field work in the Antaramut-Kurtan-Dzoragukh Coal Field, North-Central Armenia","interactions":[],"lastModifiedDate":"2012-02-02T00:07:58","indexId":"ofr99582","displayToPublicDate":"2000-07-01T00:00:00","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":"99-582","title":"Borehole and thin section descriptions from exploration drilling and field work in the Antaramut-Kurtan-Dzoragukh Coal Field, North-Central Armenia","language":"ENGLISH","publisher":"U.S. Geological Survey,","doi":"10.3133/ofr99582","issn":"0566-8174","usgsCitation":"Pierce, B., Harutunian, S., Martirosyan, A., and Harutunian, G., 1999, Borehole and thin section descriptions from exploration drilling and field work in the Antaramut-Kurtan-Dzoragukh Coal Field, North-Central Armenia: U.S. Geological Survey Open-File Report 99-582, 1 v. 273 p.  :ill., col. maps ;28 cm., https://doi.org/10.3133/ofr99582.","productDescription":"1 v. 273 p.  :ill., col. maps ;28 cm.","costCenters":[],"links":[{"id":155421,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1999/0582/report-thumb.jpg"},{"id":51193,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1999/0582/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a14e4b07f02db602a5a","contributors":{"authors":[{"text":"Pierce, B.S.","contributorId":13639,"corporation":false,"usgs":true,"family":"Pierce","given":"B.S.","email":"","affiliations":[],"preferred":false,"id":185001,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Harutunian, Samvel","contributorId":6913,"corporation":false,"usgs":true,"family":"Harutunian","given":"Samvel","email":"","affiliations":[],"preferred":false,"id":185000,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Martirosyan, Artur","contributorId":70812,"corporation":false,"usgs":true,"family":"Martirosyan","given":"Artur","email":"","affiliations":[],"preferred":false,"id":185002,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Harutunian, Grigory","contributorId":107146,"corporation":false,"usgs":true,"family":"Harutunian","given":"Grigory","email":"","affiliations":[],"preferred":false,"id":185003,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":24068,"text":"ofr99560 - 1999 - Cruise report for O1-99-SC Southern California Earthquake Hazards project","interactions":[],"lastModifiedDate":"2021-09-08T20:01:13.231418","indexId":"ofr99560","displayToPublicDate":"2000-06-01T07:00:00","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":"99-560","title":"Cruise report for O1-99-SC Southern California Earthquake Hazards project","docAbstract":"<p>The focus of the Southern California Earthquake Hazards project is to identify the landslide and earthquake hazards and related ground-deformation processes occurring in the offshore areas that have significant potential to impact the inhabitants of the Southern California coastal region. The project activity is supported through the Coastal and Marine Geology Program of the Geologic Division of the U. S. Geological Survey (USGS) and is a component of the Geologic Division's Science Strategy under Goal 1—Conduct Geologic Hazard Assessments for Mitigation Planning (Bohlen et al., 1998).</p>\n<br/>\n<p>The project research is specifically stated under Activity 1.1.2 of the Science Strategy: Earthquake Hazard Assessments and Loss Reduction Products in Urban Regions. This activity involves \"research, seismic and geodetic monitoring, field studies, geologic mapping, and analyses needed to provide seismic hazard assessments of major urban centers in earthquake-prone regions including adjoining coastal and offshore areas.\" The southern California urban areas, which form the most populated urban corridor along the U.S. Pacific margin, are among a few specifically designated for special emphasis under the Division's science strategy (Bohlen et al., 1998). The primary objective of the project is to help mitigate the earthquake hazards for the Southern California region by improving our understanding of how deformation is distributed (spatially and temporally) in the offshore with respect to the onshore region. To meet this objective, we are conducting field investigations to observe the distribution, character, and relative intensity of active (i.e., primarily Holocene) deformation within the basins and along the shelf adjacent to the most highly populated areas (Fig. 1). In addition, acoustic imaging should help determine the subsurface dimensions of the faults and identify the size and frequency of submarine landslides, both of which are necessary for evaluating the potential for generating destructive tsunamis in the southern California offshore. In order to evaluate the strain associated with the offshore structures, the initial results from the field mapping under this project will be used to identify possible sites for deployment of acoustic geodetic instruments to monitor strain in the offshore region. A major goal of mapping under this project is to provide detailed geologic and geophysical information in GIS data bases that build on the earlier studies and use the new data to precisely locate active faults and to map recent submarine landslide deposits.</p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ofr99560","issn":"0094-9140","usgsCitation":"Normark, W.R., Reid, J.A., Sliter, R.W., Holton, D., Gutmacher, C.E., Fisher, M.A., and Childs, J.R., 1999, Cruise report for O1-99-SC Southern California Earthquake Hazards project: U.S. Geological Survey Open-File Report 99-560, 55 p., https://doi.org/10.3133/ofr99560.","productDescription":"55 p.","costCenters":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"links":[{"id":388969,"rank":4,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_22920.htm"},{"id":53239,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1999/0560/pdf/of99-560.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":157239,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1999/0560/report-thumb.jpg"},{"id":1734,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/1999/0560/","linkFileType":{"id":5,"text":"html"}}],"country":"United States","state":"California","otherGeospatial":"Southern California","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -118.6670,\n              32.5\n            ],\n            [\n              -117.250,\n              32.5\n            ],\n            [\n              -117.250,\n              34.00\n            ],\n            [\n              -118.6670,\n              34.00\n            ],\n            [\n              -118.6670,\n              32.5\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ad0e4b07f02db680932","contributors":{"authors":[{"text":"Normark, William R.","contributorId":69570,"corporation":false,"usgs":true,"family":"Normark","given":"William","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":191259,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Reid, Jane A. 0000-0003-1771-3894 jareid@usgs.gov","orcid":"https://orcid.org/0000-0003-1771-3894","contributorId":2826,"corporation":false,"usgs":true,"family":"Reid","given":"Jane","email":"jareid@usgs.gov","middleInitial":"A.","affiliations":[{"id":520,"text":"Pacific Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":true,"id":191256,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Sliter, Ray W. 0000-0003-0337-3454 rsliter@usgs.gov","orcid":"https://orcid.org/0000-0003-0337-3454","contributorId":1992,"corporation":false,"usgs":true,"family":"Sliter","given":"Ray","email":"rsliter@usgs.gov","middleInitial":"W.","affiliations":[{"id":520,"text":"Pacific Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":true,"id":191255,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Holton, David","contributorId":102518,"corporation":false,"usgs":true,"family":"Holton","given":"David","email":"","affiliations":[],"preferred":false,"id":191260,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Gutmacher, Christina E.","contributorId":28272,"corporation":false,"usgs":true,"family":"Gutmacher","given":"Christina","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":191258,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Fisher, Michael A. mfisher@usgs.gov","contributorId":1991,"corporation":false,"usgs":true,"family":"Fisher","given":"Michael","email":"mfisher@usgs.gov","middleInitial":"A.","affiliations":[],"preferred":true,"id":191254,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Childs, Jonathan R. jchilds@usgs.gov","contributorId":3155,"corporation":false,"usgs":true,"family":"Childs","given":"Jonathan","email":"jchilds@usgs.gov","middleInitial":"R.","affiliations":[{"id":520,"text":"Pacific Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":true,"id":191257,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}}
,{"id":32280,"text":"ofr99562A - 1999 - Aerial gamma-ray surveys of the conterminous United States and Alaska","interactions":[],"lastModifiedDate":"2024-10-17T15:15:05.412959","indexId":"ofr99562A","displayToPublicDate":"2000-06-01T00:00:00","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":"99-562","chapter":"A","title":"Aerial gamma-ray surveys of the conterminous United States and Alaska","docAbstract":"<p><span class=\"TextRun SCXW253699520 BCX8\" lang=\"EN\" xml:lang=\"EN\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW253699520 BCX8\">No abstract available.</span></span></p>","language":"English","doi":"10.3133/ofr99562A","collaboration":"The USGS does not provide technical support for the software associated with this publication.","usgsCitation":"Duval, J.S., 1999, Aerial gamma-ray surveys of the conterminous United States and Alaska: U.S. Geological Survey Open-File Report 99-562, 1 CD-ROM, https://doi.org/10.3133/ofr99562A.","productDescription":"1 CD-ROM","costCenters":[],"links":[{"id":431055,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1999/0562a/ofr99562A.zip","text":"CD-ROM","linkFileType":{"id":6,"text":"zip"}},{"id":163623,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.er.usgs.gov/thumbnails/usgs_thumb.jpg"}],"country":"United States","state":"Alabama, Florida, Georgia, North Carolina, South Carolina","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -76.00517292364142,\n              36.54466719803138\n            ],\n            [\n              -88.48632401445164,\n              36.54466719803138\n            ],\n            [\n              -88.48632401445164,\n              25.074604763421675\n            ],\n            [\n              -76.00517292364142,\n              25.074604763421675\n            ],\n            [\n              -76.00517292364142,\n              36.54466719803138\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b03e4b07f02db698e35","contributors":{"authors":[{"text":"Duval, Joseph S.","contributorId":22314,"corporation":false,"usgs":true,"family":"Duval","given":"Joseph","email":"","middleInitial":"S.","affiliations":[],"preferred":false,"id":208150,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":22542,"text":"ofr99461 - 1999 - Selected hydrologic data from the Cedar Rapids area, Linn County, Iowa, April 1996 through March 1999","interactions":[],"lastModifiedDate":"2016-03-30T12:29:09","indexId":"ofr99461","displayToPublicDate":"2000-06-01T00:00:00","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":"99-461","title":"Selected hydrologic data from the Cedar Rapids area, Linn County, Iowa, April 1996 through March 1999","docAbstract":"<p>The City of Cedar Rapids, Iowa obtains its municipal water supply from four well fields along the Cedar River. The wells are completed at depths of about 60 to 80 feet in a shallow alluvial aquifer adjacent to the Cedar River. The City of Cedar Rapids and the U.S. Geological Survey have conducted a cooperative study of the groundwater flow system and water quality near the well fields since 1992. The purpose of this report is to document selected hydrologic data collected from April 1996 through March 1999. Data include the results of water-quality analyses, ground-waterlevels continuously measured with pressure transducers and data recorders, and physical properties continuously monitored using multiprobe instruments. Water-quality samples were collected from selected wells and the Cedar River to conduct periodic monitoring, to evaluate ground-water geochemistry, to assess the occurrence of pesticides and herbicide degradates in the alluvial aquifer, and to characterize water quality in shallow ground water near a wetland area in the Seminole Well Field. Types of water-quality analyses included common ions (calcium, chloride, iron, magnesium, manganese, potassium, silica, sodium, and sulfate), trace elements (boron, bromide, and fluoride), nutrients (ammonia as nitrogen, nitrite as nitrogen, nitrite plus nitrate as nitrogen, and orthophosphate as phosphorus), dissolved organic carbon, and selected pesticides and herbicide degradates. Ground-water levels in selected observation wells were continuously measured to assess temporal trends in groundwater levels in the alluvial aquifer and bedrock aquifer, to help calibrate a ground-water flow model being constructed to simulate local groundwater flow under transient conditions near the well fields, and to assess hydrologic conditions near a wetland area in the Seminole Well Field. Physical properties (specific conductance, pH, dissolved oxygen, and water temperature) were continuously monitored to assess temporal variation and to help evaluate the interaction between the Cedar River and ground water in the alluvial aquifer.</p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Iowa City, IA","doi":"10.3133/ofr99461","issn":"0094-9140","collaboration":"Prepared in cooperation with the City of Cedar Rapids, Iowa","usgsCitation":"Boyd, R., Kuzniar, R., and Schulmeyer, P., 1999, Selected hydrologic data from the Cedar Rapids area, Linn County, Iowa, April 1996 through March 1999: U.S. Geological Survey Open-File Report 99-461, viii, 241 p., https://doi.org/10.3133/ofr99461.","productDescription":"viii, 241 p.","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":351,"text":"Iowa Water Science 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,{"id":22535,"text":"ofr99545 - 1999 - Effect of baseline corrections on response spectra for two recordings of the 1999 Chi-Chi, Taiwan, earthquake","interactions":[],"lastModifiedDate":"2014-03-27T13:59:56","indexId":"ofr99545","displayToPublicDate":"2000-06-01T00:00:00","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":"99-545","title":"Effect of baseline corrections on response spectra for two recordings of the 1999 Chi-Chi, Taiwan, earthquake","docAbstract":"Displacements derived from the accelerogram recordings of the 1999 Chi-Chi, Taiwan earthquake at stations TCU078 and TCU129 show drifts when only a simple baseline derived from the pre-event portion of the record is removed from the records. The appearance of the velocity and displacement records suggests that changes in the zero-level of the acceleration are responsible for these drifts. The source of the shifts in zero-level are unknown, but might include tilts in the instruments or the response of the instruments to strong shaking. This note illustrates the effect on the velocity, displacement, and response spectra of several schemes for accounting for these baseline shifts. The most important conclusion for earthquake engineering purposes is that the response spectra for periods less than about 20 sec are unaffected by the baseline correction. The results suggest, however, that staticdisplac ements estimated from the instruments should be used with caution. Although limited to the analysis of only two recordings, the results may have more general significance both for the many other recordings of this earthquake and for data that will be obtained in the future from similar high-quality accelerograph networks now being installed or soon to be installed in many parts of the world.","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr99545","issn":"0094-9140","usgsCitation":"Boore, D.M., 1999, Effect of baseline corrections on response spectra for two recordings of the 1999 Chi-Chi, Taiwan, earthquake: U.S. Geological Survey Open-File Report 99-545, Report: 37 p.; Version history, https://doi.org/10.3133/ofr99545.","productDescription":"Report: 37 p.; Version history","numberOfPages":"38","additionalOnlineFiles":"Y","costCenters":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"links":[{"id":285056,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/ofr99545.jpg"},{"id":1320,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/1999/0545/","linkFileType":{"id":5,"text":"html"}},{"id":52033,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1999/0545/pdf/of99-545.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":285055,"type":{"id":25,"text":"Version History"},"url":"https://pubs.usgs.gov/of/1999/0545/version_history.txt"}],"country":"Taiwan","city":"Chichi","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ 118.99,21.5 ], [ 118.99,25.51 ], [ 122.51,25.51 ], [ 122.51,21.5 ], [ 118.99,21.5 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a4be4b07f02db62585a","contributors":{"authors":[{"text":"Boore, David M. boore@usgs.gov","contributorId":2509,"corporation":false,"usgs":true,"family":"Boore","given":"David","email":"boore@usgs.gov","middleInitial":"M.","affiliations":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"preferred":false,"id":188420,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":21625,"text":"ofr99546 - 1999 - Digital bedrock geologic map of the Ashland and northern part of the Ironwood 30' X 60' quadrangles, Wisconsin, and Michigan","interactions":[],"lastModifiedDate":"2025-12-03T14:39:16.415069","indexId":"ofr99546","displayToPublicDate":"2000-06-01T00:00:00","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":"99-546","title":"Digital bedrock geologic map of the Ashland and northern part of the Ironwood 30' X 60' quadrangles, Wisconsin, and Michigan","docAbstract":"<p>No abstract available.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr99546","issn":"0566-8174","isbn":"0607936916","usgsCitation":"Cannon, W., Woodruff, L.G., Nicholson, S.W., Hedgman, C.A., and Barber-Delach, R., 1999, Digital bedrock geologic map of the Ashland and northern part of the Ironwood 30' X 60' quadrangles, Wisconsin, and Michigan: U.S. Geological Survey Open-File Report 99-546, HTML Document; CD-ROM, https://doi.org/10.3133/ofr99546.","productDescription":"HTML Document; CD-ROM","costCenters":[],"links":[{"id":1261,"rank":3,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/1999/of99-546/index.html","linkFileType":{"id":5,"text":"html"}},{"id":390765,"rank":2,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_23272.htm"},{"id":155214,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"country":"United States","state":"Michigan, Wisconsin","otherGeospatial":"Ashland and northern part of the Ironwood 30' X 60' quadrangles","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -91,\n              46.25\n            ],\n            [\n              -90,\n              46.25\n            ],\n            [\n              -90,\n              47\n            ],\n            [\n              -91,\n              47\n            ],\n            [\n              -91,\n              46.25\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a62e4b07f02db6363ce","contributors":{"authors":[{"text":"Cannon, W.F. 0000-0002-2699-8118","orcid":"https://orcid.org/0000-0002-2699-8118","contributorId":70382,"corporation":false,"usgs":true,"family":"Cannon","given":"W.F.","affiliations":[],"preferred":false,"id":184960,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Woodruff, L. G.","contributorId":46999,"corporation":false,"usgs":true,"family":"Woodruff","given":"L.","email":"","middleInitial":"G.","affiliations":[],"preferred":false,"id":184959,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Nicholson, S. W.","contributorId":79504,"corporation":false,"usgs":true,"family":"Nicholson","given":"S.","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":184961,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Hedgman, C. A.","contributorId":82795,"corporation":false,"usgs":true,"family":"Hedgman","given":"C.","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":184962,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Barber-Delach, R.","contributorId":96147,"corporation":false,"usgs":true,"family":"Barber-Delach","given":"R.","email":"","affiliations":[],"preferred":false,"id":184963,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":23833,"text":"ofr99361 - 1999 - McVCO handbook 1999","interactions":[],"lastModifiedDate":"2014-06-02T09:49:24","indexId":"ofr99361","displayToPublicDate":"2000-06-01T00:00:00","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":"99-361","title":"McVCO handbook 1999","docAbstract":"McVCO is a microcontroller-based frequency generator that replaces the voltage controlled oscillator (VCO) used in the analog telemetry of seismic data. It accepts low-level signals from a seismometer and produces a frequency modulated subcarrier suitable for radio or telephone links to a data collection site.\n\nMcVCO was designed for the purpose of improving the analog telemetry of signals within the Pacific Northwest Seismograph Network (PNSN). Its development received support from the University of Washington Geophysics Program, and both the Volcano Hazards and Earthquake Hazards programs of the United States Geological Survey (USGS).\n\nThis handbook covers operation of McVCO, provides a technical reference for those who require a closer look at how McVCO works, and covers a collection of topics that need explicit treatment or that spring from deployment of the instrument.","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ofr99361","issn":"0094-9140","collaboration":"This report is also available in Spanish at <a href=\"http://pubs.er.usgs.gov/publication/ofr99361S\">OFR 99-361-S</a>.","usgsCitation":"McChesney, P., 1999, McVCO handbook 1999: U.S. Geological Survey Open-File Report 99-361, 51 p., https://doi.org/10.3133/ofr99361.","productDescription":"51 p.","numberOfPages":"51","onlineOnly":"Y","costCenters":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"links":[{"id":1572,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/1999/0361/","linkFileType":{"id":5,"text":"html"}},{"id":156548,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1999/0361/report-thumb.jpg"},{"id":53044,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1999/0361/pdf/of99-361.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a27e4b07f02db610348","contributors":{"authors":[{"text":"McChesney, P.J.","contributorId":29470,"corporation":false,"usgs":true,"family":"McChesney","given":"P.J.","email":"","affiliations":[],"preferred":false,"id":190823,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":23629,"text":"ofr99552 - 1999 - 40Ar/39Ar age-spectrum data for amphibole, muscovite, biotite, and K-feldspar samples from metamorphic rocks in the Blue Ridge anticlinorium, northern Virginia","interactions":[],"lastModifiedDate":"2018-01-31T10:37:39","indexId":"ofr99552","displayToPublicDate":"2000-06-01T00:00:00","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":"99-552","title":"40Ar/39Ar age-spectrum data for amphibole, muscovite, biotite, and K-feldspar samples from metamorphic rocks in the Blue Ridge anticlinorium, northern Virginia","language":"ENGLISH","publisher":"U.S. Geological Survey,","doi":"10.3133/ofr99552","issn":"0094-9140","usgsCitation":"Kunk, M.J., and Burton, W., 1999, 40Ar/39Ar age-spectrum data for amphibole, muscovite, biotite, and K-feldspar samples from metamorphic rocks in the Blue Ridge anticlinorium, northern Virginia: U.S. Geological Survey Open-File Report 99-552, 110 p. :ill. ;28 cm., https://doi.org/10.3133/ofr99552.","productDescription":"110 p. :ill. ;28 cm.","costCenters":[],"links":[{"id":154932,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1999/0552/report-thumb.jpg"},{"id":52906,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1999/0552/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"53cd492fe4b0b290850eef50","contributors":{"authors":[{"text":"Kunk, Michael J. 0000-0003-4424-7825 mkunk@usgs.gov","orcid":"https://orcid.org/0000-0003-4424-7825","contributorId":200968,"corporation":false,"usgs":true,"family":"Kunk","given":"Michael","email":"mkunk@usgs.gov","middleInitial":"J.","affiliations":[{"id":40020,"text":"Florence Bascom Geoscience Center","active":true,"usgs":true},{"id":243,"text":"Eastern Geology and Paleoclimate Science Center","active":true,"usgs":true}],"preferred":true,"id":190448,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Burton, W.C.","contributorId":41439,"corporation":false,"usgs":true,"family":"Burton","given":"W.C.","email":"","affiliations":[],"preferred":false,"id":190447,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
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