Rapid residential growth of the Hillside area, Anchorage, Alaska, may cause depletion of aquifers and a change in quality of water resources as a result of extensive development of small-lot tracts. Ground-water yields are low and may be locally inadequate for single family requirements where wells produce from bedrock in the eastern Hillside region. At lower altitudes single family water requirements of 3 to 10 gallons per minute or 0.2 to 0.6 litre per second usually can be obtained, but aquifers capable of being pumped at larger yields for public supplies are uncommon. However, in a few localities, wells do produce 40 to 300 gallons per minute or 2.5 to 19 litres per second from sand and gravel aquifers lying within thick sequences of glacial till. Streamflow within the Hillside area is inadequate as a significant source of water for public supply. Springs, swamps, and water-logged surficial sediments in the Hillside area are mainly caused by hilly terrain and low permeability of surficial materials.
The relative vulnerability of streams, lakes, and ground water to pollution caused by the discharge of liquid waste, particularly from onsite sewage-disposal systems, is moderate to high in about half the study area. At higher altitudes contamination of bedrock aquifers may occur if discharge of liquid wastes is not regulated. The deep sedimentary aquifers at lower altitudes are less susceptible to contamination. However, shallow groundwater bodies may become polluted by discharge of sewage effluent and, consequently, some deep wells may be contaminated by seepage down the outside of casings or through leaky casing joints and underground seals.
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr75105","collaboration":"Prepared in cooperation with the Greater Anchorage Area Borough","usgsCitation":"Dearborn, L.L., and Barnwell, W.W., 1975, Hydrology for land-use planning: The Hillside area, Anchorage, Alaska: U.S. Geological Survey Open-File Report 75-105, 45 p., https://doi.org/10.3133/ofr75105.","productDescription":"45 p.","costCenters":[],"links":[{"id":146731,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1975/0105/report-thumb.jpg"},{"id":393069,"rank":2,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_15092.htm"},{"id":423406,"rank":3,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1975/0105/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States","state":"Alaska","city":"Anchorage","otherGeospatial":"Hillside area","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -149.803,\n 61.081\n ],\n [\n -149.697,\n 61.081\n ],\n [\n -149.697,\n 61.139\n ],\n [\n -149.803,\n 61.139\n ],\n [\n -149.803,\n 61.081\n ]\n ]\n ]\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a18e4b07f02db604bdd","contributors":{"authors":[{"text":"Dearborn, Larry L.","contributorId":66687,"corporation":false,"usgs":true,"family":"Dearborn","given":"Larry","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":167555,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Barnwell, William W.","contributorId":73621,"corporation":false,"usgs":true,"family":"Barnwell","given":"William","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":167556,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":8446,"text":"ofr75595 - 1975 - Abstracts of the 1975 Uranium and Thorium Research and Resources Conference","interactions":[],"lastModifiedDate":"2018-03-13T17:57:56","indexId":"ofr75595","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1975","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":"75-595","title":"Abstracts of the 1975 Uranium and Thorium Research and Resources Conference","language":"ENGLISH","publisher":"U.S. Geological Survey,","doi":"10.3133/ofr75595","usgsCitation":"1975, Abstracts of the 1975 Uranium and Thorium Research and Resources Conference: U.S. Geological Survey Open-File Report 75-595, 60 leaves ;28 cm.; (54 p. - PGS), https://doi.org/10.3133/ofr75595.","productDescription":"60 leaves ;28 cm.; (54 p. - PGS)","costCenters":[],"links":[{"id":140505,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b13e4b07f02db6a3a1b","contributors":{"editors":[{"text":"Craig, Lawrence C.","contributorId":67085,"corporation":false,"usgs":true,"family":"Craig","given":"Lawrence C.","affiliations":[],"preferred":false,"id":731028,"contributorType":{"id":2,"text":"Editors"},"rank":1},{"text":"Brooks, Robert A.","contributorId":60645,"corporation":false,"usgs":true,"family":"Brooks","given":"Robert","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":731029,"contributorType":{"id":2,"text":"Editors"},"rank":2},{"text":"Patton, Priscilla C.","contributorId":47640,"corporation":false,"usgs":true,"family":"Patton","given":"Priscilla","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":731030,"contributorType":{"id":2,"text":"Editors"},"rank":3}]}} ,{"id":16102,"text":"ofr75163 - 1975 - Geochemical prospecting for copper and nickel in the Wulgai and Tor Tangi areas southeast of Hindubagh, Quetta Division, Pakistan","interactions":[],"lastModifiedDate":"2012-02-02T00:07:14","indexId":"ofr75163","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1975","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":"75-163","title":"Geochemical prospecting for copper and nickel in the Wulgai and Tor Tangi areas southeast of Hindubagh, Quetta Division, Pakistan","docAbstract":"Showings of magnetite, copper, and possible nickel mineralization in the Hindubagh chromite mining district are near Wulgai and Tor Tangi. Several hundred samples of clastic material from dry streambeds in these areas were sieved for the minus-80-mesh fraction and analyzed for copper using 2, 2'-biquinoline and for nickel using alpha-furildioxime. The copper threshold is 75 ppm, and the nickel threshold is 400 ppm. A geochemical map has been prepared that shows nine areas of anomalously high copper and six areas of high nickel. The nickel anomalies may represent secondary dispersion patterns derived from the erosion of nickeliferous ultramafic rocks of the Hindubagh intrusive complex. Copper showings in and near four of the anomalous copper areas indicate that detailed geological investigation and detailed geochemical sampling of rocks, soil, and unconsolidated clastic material are required to determine the source of the anomalies.","language":"ENGLISH","publisher":"s.n.],","doi":"10.3133/ofr75163","usgsCitation":"Stanin, S.A., Wahid, M., and Khan, S., 1975, Geochemical prospecting for copper and nickel in the Wulgai and Tor Tangi areas southeast of Hindubagh, Quetta Division, Pakistan: U.S. Geological Survey Open-File Report 75-163, i, 9 leaves, 1 sheet, :ill., maps (some folded) ;27 cm., https://doi.org/10.3133/ofr75163.","productDescription":"i, 9 leaves, 1 sheet, :ill., maps (some folded) ;27 cm.","costCenters":[],"links":[{"id":149096,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1975/0163/report-thumb.jpg"},{"id":45026,"rank":400,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1975/0163/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":45027,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1975/0163/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b23e4b07f02db6aded9","contributors":{"authors":[{"text":"Stanin, S. Anthony","contributorId":57853,"corporation":false,"usgs":true,"family":"Stanin","given":"S.","email":"","middleInitial":"Anthony","affiliations":[],"preferred":false,"id":172237,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Wahid, M.A.","contributorId":44168,"corporation":false,"usgs":true,"family":"Wahid","given":"M.A.","email":"","affiliations":[],"preferred":false,"id":172236,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Khan, Shamsher","contributorId":86785,"corporation":false,"usgs":true,"family":"Khan","given":"Shamsher","email":"","affiliations":[],"preferred":false,"id":172238,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":13643,"text":"ofr7534 - 1975 - Titanium minerals in deposits of other minerals","interactions":[],"lastModifiedDate":"2025-08-05T13:46:02.574702","indexId":"ofr7534","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1975","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":"75-34","title":"Titanium minerals in deposits of other minerals","docAbstract":"Titanium minerals in amounts equivalent to a significant portion of present world production are moved but not recovered from mines of other commodities. Resources of this type total in the millions of tons of contained TiO2. Among the possible sources for byproduct titanium are (1) ilnenite and minor rutile detrital concentrations in deposits of tin, monazite, phosphate, gold, platinum, uranium, and sand andgravel; (2) leucoxenitized ilmenite and, locally, rutile in some 13 bauxites; (3) rutilo in porphyry copper and related deposits; (14) 14 rutile in kyanite deposits; and (5) perovskite and other titanium minerals in deposits of niobium, apatite, and nepheline in nepheline syenites.
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr7534","usgsCitation":"Force, E.R., 1975, Titanium minerals in deposits of other minerals: U.S. Geological Survey Open-File Report 75-34, i, 16 p., https://doi.org/10.3133/ofr7534.","productDescription":"i, 16 p.","costCenters":[],"links":[{"id":493539,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1975/0034/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":147275,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1975/0034/report-thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b05e4b07f02db699a3a","contributors":{"authors":[{"text":"Force, Eric R.","contributorId":32916,"corporation":false,"usgs":true,"family":"Force","given":"Eric","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":168162,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":8328,"text":"ofr75627 - 1975 - Summary of references to mineral occurrences (other than mineral fuels and construction materials) in five quadrangles in West-Central Alaska (Hughes, Kotzebue, Melozitna, Selawik, Shungnak)","interactions":[],"lastModifiedDate":"2023-07-31T22:45:15.020245","indexId":"ofr75627","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1975","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":"75-627","title":"Summary of references to mineral occurrences (other than mineral fuels and construction materials) in five quadrangles in West-Central Alaska (Hughes, Kotzebue, Melozitna, Selawik, Shungnak)","docAbstract":"These summaries of references are designed to aid in library research on metallic and nonmetallic (other than mineral fuels and construction materials) mineral occurrences in 5 quadrangles in west-central Alaska. All references to published and open-filed reports of the Geological Survey, to most published and open-filed reports of the U.S. Bureau of Mines, and to most published reports of the State of Alaska Division of Geological and Geophysical Surveys and its predecessor State and Territorial agencies released before January 1, 1975, are summarized. Occasionally reports from other sources have been included; in such instances references have been summarized in greater detail than those to the kinds of reports listed above. Certain, mainly statistical, reports such as the annual Minerals Yearbook of the U.S. Bureau of Mines and the biennial and annual reports of the State of Alaska Division of Geological and Geophysical Surveys and its predecessor State and Territorial agencies are not included.
This report is divided into three parts: a section made up of summaries of references arranged alphabetically first by quadrangle and second by occurrence name; a section that lists synonyms for names in the first section, claim names, and the names of operators and owners of mines and prospects; and a section that lists, by author, all references summarized in the first section.
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr75627","usgsCitation":"Cobb, E.H., 1975, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in five quadrangles in West-Central Alaska (Hughes, Kotzebue, Melozitna, Selawik, Shungnak): U.S. Geological Survey Open-File Report 75-627, i, 58 p., https://doi.org/10.3133/ofr75627.","productDescription":"i, 58 p.","costCenters":[],"links":[{"id":419453,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1975/0627/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":140234,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1975/0627/report-thumb.jpg"}],"country":"United States","state":"Alaska","otherGeospatial":"Hughes Quadrangle, Kotzebue Quadrangle, Melozitna Quadrangle, Selawik Quadrangle, Shungnak 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Edward Huntington","contributorId":25916,"corporation":false,"usgs":true,"family":"Cobb","given":"Edward","email":"","middleInitial":"Huntington","affiliations":[],"preferred":false,"id":157560,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":13706,"text":"ofr7571 - 1975 - Geochemical soil sampling traverses, Hamme tungsten district, North Carolina. Traverses 289-299; 301-32","interactions":[],"lastModifiedDate":"2021-11-19T21:24:31.997362","indexId":"ofr7571","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1975","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":"75-71","title":"Geochemical soil sampling traverses, Hamme tungsten district, North Carolina. Traverses 289-299; 301-32","docAbstract":"No abstract available.
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr7571","usgsCitation":"Gair, J.E., and Windolph, J.F., 1975, Geochemical soil sampling traverses, Hamme tungsten district, North Carolina. Traverses 289-299; 301-32: U.S. Geological Survey Open-File Report 75-71, Report: 38 p.; 1 Plate: 8.08 × 18.15 inches, https://doi.org/10.3133/ofr7571.","productDescription":"Report: 38 p.; 1 Plate: 8.08 × 18.15 inches","costCenters":[],"links":[{"id":42272,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1975/0071/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":147419,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1975/0071/report-thumb.jpg"},{"id":42271,"rank":400,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1975/0071/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":391952,"rank":4,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_15232.htm"}],"country":"United States","state":"North Carolina","otherGeospatial":"Hamme tungsten district","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -78.458,\n 36.454\n ],\n [\n -78.5,\n 36.454\n ],\n [\n -78.5,\n 36.632\n ],\n [\n -78.458,\n 36.632\n ],\n [\n -78.458,\n 36.454\n ]\n ]\n ]\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b20e4b07f02db6abd0e","contributors":{"authors":[{"text":"Gair, Jacob Eugene","contributorId":14387,"corporation":false,"usgs":true,"family":"Gair","given":"Jacob","email":"","middleInitial":"Eugene","affiliations":[],"preferred":false,"id":168267,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Windolph, John F.","contributorId":60616,"corporation":false,"usgs":true,"family":"Windolph","given":"John","email":"","middleInitial":"F.","affiliations":[],"preferred":false,"id":168268,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":19122,"text":"ofr75124 - 1975 - Geologic framework of the Alaskan Continental Terrace in the Chukchi and Beaufort seas","interactions":[{"subject":{"id":19122,"text":"ofr75124 - 1975 - Geologic framework of the Alaskan Continental Terrace in the Chukchi and Beaufort seas","indexId":"ofr75124","publicationYear":"1975","noYear":false,"title":"Geologic framework of the Alaskan Continental Terrace in the Chukchi and Beaufort seas"},"predicate":"SUPERSEDED_BY","object":{"id":70047533,"text":"70047533 - 1975 - Geologic framework of the Alaskan Continental Terrace in the Chukchi and Beaufort Seas","indexId":"70047533","publicationYear":"1975","noYear":false,"title":"Geologic framework of the Alaskan Continental Terrace in the Chukchi and Beaufort Seas"},"id":1}],"supersededBy":{"id":70047533,"text":"70047533 - 1975 - Geologic framework of the Alaskan Continental Terrace in the Chukchi and Beaufort Seas","indexId":"70047533","publicationYear":"1975","noYear":false,"title":"Geologic framework of the Alaskan Continental Terrace in the Chukchi and Beaufort Seas"},"lastModifiedDate":"2023-07-31T22:53:06.892518","indexId":"ofr75124","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1975","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":"75-124","title":"Geologic framework of the Alaskan Continental Terrace in the Chukchi and Beaufort seas","docAbstract":"Seismic, magnetic and gravity data indicate that the Chukchi and Beaufort epicontinental seas off northern Alaska overlie three sedimentary basins, or provinces, separated by structural highs of regional extent. The basins trend west to northwest and become increasingly marine from south to north. The Chukchi-Beaufort continental margin is similar to those of Atlantic type.
Hope basin, in the southern Chukchi Sea, overlies strongly deformed Paleozoic to mid-Cretaceous rocks of the Brooks Range orogen. The basin is inferred to contain nonmarine and marine clastic sedimentary rocks in a 1-km-thick Upper Cretaceous(?), a 1 1/2-km-thick Paleogene(?), and a 3/4-km-thick Neogene(?) sequence. A large anticline and many faults and smaller folds disrupt mainly the older sequences.
The Hope basin sedimentary units onlap Herald arch, which trends northwest from Cape Lisburne in the central Chukchi Sea. At the Herald fault zone Brooks Range rocks in the arch are thrust east or northeast over Mississippian to Jurassic shelf carbonate and clastic rocks of the Arctic Alaska (Ellesmerian) basin and overlying Cretaceous flysch and molasse of the Colville geosyncline. These Mississippian to Cretaceous rocks underlie the northeast Chukchi Sea and reportedly are about 10 km thick near the Herald fault zone on the Lisburne Peninsula. The great Chukchi syntaxis in western Brooks Range rocks and structures is thought to result from intersection of the west-trending Brooks Range orogen by the northwest-trending Herald fault zone.
The Mississippian to Jurassic shelf sequence thins northward, and onlaps the Barrow arch, which trends northwest from Point Barrow to 161° W.long., thence west-southwest to the Herald fault zone. The Colville geosyncline sequence oversteps both the pre-Cretaceous rocks and. the Barrow arch to form the North Chukchi basin west of 161°W. long. and the progradational Beaufort continental terrace east of it.
The North Chukchi basin may contain about 6 km of section, probably Cretaceous and Tertiary and possibly deltaic. Diapirs (of Cretaceous shale?) pierce the gently northward-dipping strata of this basin, in places reaching the sea floor.
Thick Tertiary marine and nonmarine clastic rocks of the Camden basin overlie the Cretaceous rocks of the North Slope and inner Beaufort continental terrace east of the Colville River delta. These rocks dip gently seaward west of 146°W. long. but are thrown into long, high-amplitude, east-northeast-striking folds to the east.
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1975 - Preliminary geologic map of the Silverton Quadrangle, Colorado","interactions":[],"lastModifiedDate":"2012-02-02T00:05:03","indexId":"ofr75433","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1975","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":"75-433","title":"Preliminary geologic map of the Silverton Quadrangle, Colorado","language":"ENGLISH","doi":"10.3133/ofr75433","usgsCitation":"Luedke, R.G., and Burbank, W.S., 1975, Preliminary geologic map of the Silverton Quadrangle, Colorado: U.S. Geological Survey Open-File Report 75-433, 1 map., https://doi.org/10.3133/ofr75433.","productDescription":"1 map.","costCenters":[],"links":[{"id":136481,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":80241,"rank":400,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1975/0433/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ac7e4b07f02db67abfe","contributors":{"authors":[{"text":"Luedke, Robert G.","contributorId":18339,"corporation":false,"usgs":true,"family":"Luedke","given":"Robert","email":"","middleInitial":"G.","affiliations":[],"preferred":false,"id":226571,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Burbank, Wilbur S.","contributorId":24758,"corporation":false,"usgs":true,"family":"Burbank","given":"Wilbur","email":"","middleInitial":"S.","affiliations":[],"preferred":false,"id":226572,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":16248,"text":"ofr7568 - 1975 - Selecting and collecting thermal springs for chemical analysis; a method for field personnel","interactions":[],"lastModifiedDate":"2012-02-02T00:07:09","indexId":"ofr7568","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1975","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":"75-68","title":"Selecting and collecting thermal springs for chemical analysis; a method for field personnel","language":"ENGLISH","publisher":"U.S. Dept. of the Interior, Geological Survey,","doi":"10.3133/ofr7568","usgsCitation":"Thompson, J., 1975, Selecting and collecting thermal springs for chemical analysis; a method for field personnel: U.S. Geological Survey Open-File Report 75-68, 11 leaves ;27 cm., https://doi.org/10.3133/ofr7568.","productDescription":"11 leaves ;27 cm.","costCenters":[],"links":[{"id":148262,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1975/0068/report-thumb.jpg"},{"id":45167,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1975/0068/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a01e4b07f02db5f7e86","contributors":{"authors":[{"text":"Thompson, J. M.","contributorId":77142,"corporation":false,"usgs":true,"family":"Thompson","given":"J. M.","affiliations":[],"preferred":false,"id":172496,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":19448,"text":"ofr75670 - 1975 - Audio-magnetotelluric data log, station-location map, and telluric profile for San Emidio Known Geothermal Resource Area, Nevada","interactions":[],"lastModifiedDate":"2012-02-02T00:07:42","indexId":"ofr75670","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1975","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":"75-670","title":"Audio-magnetotelluric data log, station-location map, and telluric profile for San Emidio Known Geothermal Resource Area, Nevada","language":"ENGLISH","publisher":"U.S. Dept. of the Interior, Geological Survey,","doi":"10.3133/ofr75670","usgsCitation":"Hoover, D.B., Manydeeds, S., and Martinez, R., 1975, Audio-magnetotelluric data log, station-location map, and telluric profile for San Emidio Known Geothermal Resource Area, Nevada: U.S. Geological Survey Open-File Report 75-670, 7 leaves :ill., map ;28 cm., https://doi.org/10.3133/ofr75670.","productDescription":"7 leaves :ill., map ;28 cm.","costCenters":[],"links":[{"id":153205,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4aa9e4b07f02db668349","contributors":{"authors":[{"text":"Hoover, Donald B.","contributorId":89877,"corporation":false,"usgs":true,"family":"Hoover","given":"Donald","email":"","middleInitial":"B.","affiliations":[],"preferred":false,"id":180925,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Manydeeds, Steve","contributorId":63837,"corporation":false,"usgs":true,"family":"Manydeeds","given":"Steve","affiliations":[],"preferred":false,"id":180924,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Martinez, Robert","contributorId":96714,"corporation":false,"usgs":true,"family":"Martinez","given":"Robert","email":"","affiliations":[],"preferred":false,"id":180926,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":13421,"text":"ofr75441 - 1975 - Floodflow characteristics at proposed bridge sites on West Branch Delaware River, Delhi, New York","interactions":[],"lastModifiedDate":"2012-02-02T00:06:50","indexId":"ofr75441","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1975","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":"75-441","title":"Floodflow characteristics at proposed bridge sites on West Branch Delaware River, Delhi, New York","language":"ENGLISH","publisher":"[s.n.],","doi":"10.3133/ofr75441","usgsCitation":"Dunn, B., 1975, Floodflow characteristics at proposed bridge sites on West Branch Delaware River, Delhi, New York: U.S. Geological Survey Open-File Report 75-441, iii, 9 leaves :ill., maps ;27 cm.; (17 p. - PGS), https://doi.org/10.3133/ofr75441.","productDescription":"iii, 9 leaves :ill., maps ;27 cm.; (17 p. - PGS)","costCenters":[],"links":[{"id":146154,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49e6e4b07f02db5e73c2","contributors":{"authors":[{"text":"Dunn, Bernard","contributorId":61423,"corporation":false,"usgs":true,"family":"Dunn","given":"Bernard","email":"","affiliations":[],"preferred":false,"id":167781,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":15254,"text":"ofr7556 - 1975 - Preliminary hydrogeologic appraisal of selected hydrothermal systems in northern and central Nevada","interactions":[],"lastModifiedDate":"2012-02-02T00:06:52","indexId":"ofr7556","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1975","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":"75-56","title":"Preliminary hydrogeologic appraisal of selected hydrothermal systems in northern and central Nevada","docAbstract":"Several hydrothermal systems in northern and central Nevada were explored in a hydrogeologic reconnaissance. The systems studied comprise those at Stillwater and Soda Lakes-Upsal Hogback in the Carson Desert, Gerlach, Fly Ranch-Granite Range, and Double Hot Springs in the Black Rock Desert, Brady's Hot Springs, Leach Hot Springs in Grass Valley, Buffalo Valley Hot Springs, and Sulphur Hot Springs in Ruby Valley. \r\n\r\nThe investigation focused on (1) delineating of areas of high heat flow associated with rising thermal ground water, (2) determining the nature of the discharge parts of the hydrothermal systems, (3) estimating heat discharge from the systems, (4) estimating water discharge from the systems, (5) obtaining rough estimates of, conductive heat flow outside areas of hydrothermal discharge, and (6) evaluating several investigative techniques that would yield the required information quickly and at relatively low cost. The most useful techniques were shallow test drilling to obtain geologic, hydraulic, and thermal data and hydrogeologic mapping of the discharge areas. \r\n\r\nThe systems studied are in the north-central part of the Basin and Range province. Exposed volcanic rocks of latest Tertiary and Quaternary age are chiefly basaltic. Basaltic terranes are generally regarded as less favorable for geothermal resources than terranes that contain large volumes of young volcanic mocks of felsic to intermediate composition. Most of the known hydrothermal systems are associated with Basin and Range faults which are caused by crustal extension across the province. An area of high heat flow centered at Battle Mountain and possibly other areas of high heat flow may be related to crustal heat sources. However, some of the hydrothermal systems studied appear to be related to deep circulation of meteoric water in areas of 'normal' regional heat flow rather than to shallow-crustal heat sources. \r\n\r\nDischarge temperatures of thermal springs in the region range from slightly above mean annual air temperature (8?-12?C at most places) to boiling or slightly hotter. Geochemical data indicate that, in the major systems, subsurface temperatures at which thermal waters equilibrate with reservoir rocks range from 150? to more than 200?C. These data also indicate that the major systems are of the hot-water type rather than the vapor-dominated type. Depths of thermal-water circulation probably range from 2 to 6 kilometres in areas of 'normal' regional heat flow (~2 heatflow units) and from 1 to 3 kilometres in areas of high heat flow (~3-4 heat-flow units) such as near Battle Mountain. \r\n\r\nMost of the heat is discharged from the hydrothermal systems studied by (1) conduction through near-surface materials heated as a consequence of thermal-water convection, (2) convection as springflow, and (3) convection as steam discharge from spring pools, vents, fumaroles, and cracks. The mate of heat discharge by radiation from warm ground and by convection as lateral ground-water outflow is believed to be small in most systems and is not estimated. \r\n\r\nEstimates of net heat discharge from the systems studied range from about 0.8 x 106 calories per second at Buffalo Valley Hot Springs to about 14 x 106 calories per second at Stillwater. These estimates represent the approximate magnitude of the excess heat discharge from the thermal areas that results from the upward convection of hot water from deep sources. Water discharges from the hydrothermal systems by springflow, evapotranspiration, steam discharge, and lateral ground-water outflow. Estimated discharges range from about 0.2 x 106cubic metres per year from the Buffalo Valley Hot Springs system to about 3 x 106 cubic metres per year from the Stillwater system. \r\n\r\nIn most of the hydrothermal systems studied and, by inference, in other similar systems in northern and central Nevada, the scale for potential .commercial development for production of electricity or for other uses may be constrained by the","language":"ENGLISH","publisher":"U.S. Dept. of the Interior, Geological Survey,","doi":"10.3133/ofr7556","usgsCitation":"Olmsted, F.H., Glancy, P., Harrill, J., Rush, F., and Van Denburgh, A.S., 1975, Preliminary hydrogeologic appraisal of selected hydrothermal systems in northern and central Nevada: U.S. Geological Survey Open-File Report 75-56, xi, 267 p. :ill. ;27 cm.; (360 p. - PGS), https://doi.org/10.3133/ofr7556.","productDescription":"xi, 267 p. :ill. ;27 cm.; (360 p. - PGS)","costCenters":[],"links":[{"id":147396,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1975/0056/report-thumb.jpg"},{"id":44190,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1975/0056/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4abbe4b07f02db672aee","contributors":{"authors":[{"text":"Olmsted, F. H.","contributorId":24765,"corporation":false,"usgs":true,"family":"Olmsted","given":"F.","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":170826,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Glancy, P.A.","contributorId":32160,"corporation":false,"usgs":true,"family":"Glancy","given":"P.A.","affiliations":[],"preferred":false,"id":170827,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Harrill, J. R.","contributorId":10417,"corporation":false,"usgs":true,"family":"Harrill","given":"J. R.","affiliations":[],"preferred":false,"id":170824,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Rush, F. E.","contributorId":56234,"corporation":false,"usgs":true,"family":"Rush","given":"F. E.","affiliations":[],"preferred":false,"id":170828,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Van Denburgh, A. S.","contributorId":23928,"corporation":false,"usgs":true,"family":"Van Denburgh","given":"A.","email":"","middleInitial":"S.","affiliations":[],"preferred":false,"id":170825,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":16124,"text":"ofr75392 - 1975 - Hydrologic reconnaissance of the Pine Valley drainage basin; Millard, Beaver, and Iron counties, Utah","interactions":[{"subject":{"id":16124,"text":"ofr75392 - 1975 - Hydrologic reconnaissance of the Pine Valley drainage basin; Millard, Beaver, and Iron counties, Utah","indexId":"ofr75392","publicationYear":"1975","noYear":false,"title":"Hydrologic reconnaissance of the Pine Valley drainage basin; Millard, Beaver, and Iron counties, Utah"},"predicate":"SUPERSEDED_BY","object":{"id":70042823,"text":"70042823 - 1976 - Hydrologic reconnaissance of the Pine Valley drainage basin, Millard, Beaver, and Iron counties, Utah","indexId":"70042823","publicationYear":"1976","noYear":false,"title":"Hydrologic reconnaissance of the Pine Valley drainage basin, Millard, Beaver, and Iron counties, Utah"},"id":1}],"supersededBy":{"id":70042823,"text":"70042823 - 1976 - Hydrologic reconnaissance of the Pine Valley drainage basin, Millard, Beaver, and Iron counties, Utah","indexId":"70042823","publicationYear":"1976","noYear":false,"title":"Hydrologic reconnaissance of the Pine Valley drainage basin, Millard, Beaver, and Iron counties, Utah"},"lastModifiedDate":"2013-01-24T15:15:50","indexId":"ofr75392","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1975","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":"75-392","title":"Hydrologic reconnaissance of the Pine Valley drainage basin; Millard, Beaver, and Iron counties, Utah","language":"ENGLISH","publisher":"U.S. Geological Survey],","doi":"10.3133/ofr75392","usgsCitation":"Stephens, J.C., 1975, Hydrologic reconnaissance of the Pine Valley drainage basin; Millard, Beaver, and Iron counties, Utah: U.S. Geological Survey Open-File Report 75-392, [6], 58 leaves :ill., maps (some folded) ;28 cm., https://doi.org/10.3133/ofr75392.","productDescription":"[6], 58 leaves :ill., maps (some folded) ;28 cm.","costCenters":[],"links":[{"id":148506,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a19e4b07f02db60562e","contributors":{"authors":[{"text":"Stephens, Jerry C.","contributorId":81493,"corporation":false,"usgs":true,"family":"Stephens","given":"Jerry","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":172279,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":43246,"text":"ofr75243 - 1975 - Ozarks land use data set; Mobile, Ala., Miss., La.(La. only)","interactions":[{"subject":{"id":43246,"text":"ofr75243 - 1975 - Ozarks land use data set; Mobile, Ala., Miss., La.(La. only)","indexId":"ofr75243","publicationYear":"1975","noYear":false,"title":"Ozarks land use data set; Mobile, Ala., Miss., La.(La. only)"},"predicate":"SUPERSEDED_BY","object":{"id":43722,"text":"ofr7752 - 1977 - Land use and land cover and associated maps for Mobile, Alabama","indexId":"ofr7752","publicationYear":"1977","noYear":false,"title":"Land use and land cover and associated maps for Mobile, Alabama"},"id":1}],"supersededBy":{"id":43722,"text":"ofr7752 - 1977 - Land use and land cover and associated maps for Mobile, Alabama","indexId":"ofr7752","publicationYear":"1977","noYear":false,"title":"Land use and land cover and associated maps for Mobile, Alabama"},"lastModifiedDate":"2012-02-02T00:10:26","indexId":"ofr75243","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1975","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":"75-243","title":"Ozarks land use data set; 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