{"pageNumber":"1191","pageRowStart":"29750","pageSize":"25","recordCount":36989,"records":[{"id":15832,"text":"ofr7512 - 1975 - A model for earthquakes near Palisades Reservoir, southeast Idaho","interactions":[{"subject":{"id":15832,"text":"ofr7512 - 1975 - A model for earthquakes near Palisades Reservoir, southeast Idaho","indexId":"ofr7512","publicationYear":"1975","noYear":false,"title":"A model for earthquakes near Palisades Reservoir, southeast Idaho"},"predicate":"SUPERSEDED_BY","object":{"id":70042868,"text":"70042868 - 1975 - A model for earthquakes near Palisades Reservoir, southeast Idaho","indexId":"70042868","publicationYear":"1975","noYear":false,"title":"A model for earthquakes near Palisades Reservoir, southeast Idaho"},"id":1}],"supersededBy":{"id":70042868,"text":"70042868 - 1975 - A model for earthquakes near Palisades Reservoir, southeast Idaho","indexId":"70042868","publicationYear":"1975","noYear":false,"title":"A model for earthquakes near Palisades Reservoir, southeast Idaho"},"lastModifiedDate":"2023-09-05T19:53:13.647711","indexId":"ofr7512","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":"75-12","title":"A model for earthquakes near Palisades Reservoir, southeast Idaho","docAbstract":"

The Palisades Reservoir seems to be triggering earthquakes: epicenters are concentrated near the reservoir, and quakes are concentrated in spring, when the reservoir level is highest or is rising most rapidly, and in fall, when the level is lowest. Both spring and fall quakes appear to be triggered by minor local stresses superposed on regional tectonic stresses; faulting is postulated to occur when the effective normal stress across a fault is decreased by a local increase in pore-fluid pressure. The spring quakes tend to occur when the reservoir level suddenly rises: increased pore pressure pushes apart the walls of the graben flooded by the reservoir, thus decreasing the effective normal stress across faults in the graben. The fall quakes tend to occur when reservoir level is lowest: water that gradually infiltrated poorly permeable (fault-gouge?) zones during high reservoir stands is then under anomalously high pressure, which decreases the effective normal stress across faults in the poorly permeable zones.

","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr7512","usgsCitation":"Schleicher, D.L., 1975, A model for earthquakes near Palisades Reservoir, southeast Idaho: U.S. Geological Survey Open-File Report 75-12, i, 18 p., https://doi.org/10.3133/ofr7512.","productDescription":"i, 18 p.","costCenters":[],"links":[{"id":149767,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1975/0012/report-thumb.jpg"},{"id":420510,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1975/0012/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States","state":"Idaho","otherGeospatial":"Palisades Reservoir","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -111.22166559661586,\n 43.34603340282683\n ],\n [\n -111.22166559661586,\n 43.13624201832974\n ],\n [\n -111.04253491005865,\n 43.13624201832974\n ],\n [\n -111.04253491005865,\n 43.34603340282683\n ],\n [\n -111.22166559661586,\n 43.34603340282683\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b23e4b07f02db6adfa9","contributors":{"authors":[{"text":"Schleicher, David L.","contributorId":54962,"corporation":false,"usgs":true,"family":"Schleicher","given":"David","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":171813,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":16114,"text":"ofr75272 - 1975 - Geology of the Khyber Pass, Khyber Agency, Pakistan","interactions":[],"lastModifiedDate":"2024-07-26T22:46:14.660979","indexId":"ofr75272","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":"75-272","title":"Geology of the Khyber Pass, Khyber Agency, Pakistan","docAbstract":"

The defile of the Khyber Pass is cut in the massive gray recrystallized Khyber Limestone whose thickness exceeds 3,000 feet. Although no fossils have been found in the immediate vicinity of the pass, assemblages collected at the end of the last century from 5 miles south of the pass, and recently collected fossils from Afghanistan, suggest strongly that the limestone is Carboniferous to Permian and perhaps Jurassic in age. The basal contact of the Khyber Limestone in places appears to be conformable upon the quartzites and tuffs of the Ali Masjid Formation; elsewhere it is probably an unconformity or a fault, especially where the limestone lies directly on the Ordovician to Carboniferous Landi Kotal Slate. The Ali Masjid Formation overlies the Shagai Limestone, which, in turn, rests in fault contact on the Landi Kotal Slate.

Structurally the area is characterized by at least four major, roughly east-west trending thrust or reverse faults, along which relatively older rocks have moved southward over younger rocks. A north-northeast-trending system of alternating anticlines and synclines has been superimposed on the earlier structures. Elevated terraces and alluvial valleys suggest a very recent uplift of about 600 to 1,000 feet.

","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr75272","usgsCitation":"Stauffer, K.W., 1975, Geology of the Khyber Pass, Khyber Agency, Pakistan: U.S. Geological Survey Open-File Report 75-272, Report: ii, 42 p.; 1 Figure: 16.17 x 9.93 inches; 1 Plate: 29.29 x 19.50 inches, https://doi.org/10.3133/ofr75272.","productDescription":"Report: ii, 42 p.; 1 Figure: 16.17 x 9.93 inches; 1 Plate: 29.29 x 19.50 inches","costCenters":[],"links":[{"id":431546,"rank":4,"type":{"id":29,"text":"Figure"},"url":"https://pubs.usgs.gov/of/1975/0272/figure-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":431545,"rank":3,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1975/0272/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":431544,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1975/0272/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":148254,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1975/0272/report-thumb.jpg"}],"scale":"100000","country":"Pakistan","otherGeospatial":"Khyber Pass, Khyber Agency","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n 74.44335937499998,\n 37.020098201368114\n ],\n [\n 71.982421875,\n 36.87962060502676\n ],\n [\n 71.3671875,\n 35.96022296929667\n ],\n [\n 71.015625,\n 34.66935854524543\n ],\n [\n 69.873046875,\n 34.016241889667015\n ],\n [\n 69.521484375,\n 32.76880048488168\n ],\n [\n 68.02734375,\n 31.57853542647338\n ],\n [\n 66.884765625,\n 31.12819929911196\n ],\n [\n 63.28125,\n 29.38217507514529\n ],\n [\n 61.17187499999999,\n 29.76437737516313\n ],\n [\n 61.52343749999999,\n 24.766784522874452\n ],\n [\n 67.939453125,\n 24.04646399966658\n ],\n [\n 71.630859375,\n 24.287026865376436\n ],\n [\n 70.13671875,\n 27.761329874505232\n ],\n [\n 71.630859375,\n 27.761329874505232\n ],\n [\n 73.388671875,\n 29.99300228455108\n ],\n [\n 74.44335937499998,\n 31.80289258670676\n ],\n [\n 75.498046875,\n 32.24997445586331\n ],\n [\n 74.44335937499998,\n 34.45221847282654\n ],\n [\n 75.76171875,\n 34.88593094075317\n ],\n [\n 76.9921875,\n 35.53222622770337\n ],\n [\n 75.322265625,\n 37.16031654673677\n ],\n [\n 74.8828125,\n 36.94989178681327\n ],\n [\n 74.44335937499998,\n 37.020098201368114\n ]\n ]\n ]\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4acee4b07f02db67f9c1","contributors":{"authors":[{"text":"Stauffer, Karl W.","contributorId":20760,"corporation":false,"usgs":true,"family":"Stauffer","given":"Karl","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":172259,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":16113,"text":"ofr75273 - 1975 - Geology of the Gilgit-Hispar area, Gilgit Agency, Pakistan","interactions":[],"lastModifiedDate":"2025-02-07T21:59:04.694264","indexId":"ofr75273","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":"75-273","title":"Geology of the Gilgit-Hispar area, Gilgit Agency, Pakistan","docAbstract":"

The Gilgit-Hispar area contains a large variety of igneous and metamorphic rocks, which have been grouped into seven general lithologic units, five composed largely of metamorphic rocks and two of intrusive rocks. The metamorphic units consist of probable correlatives of the Precambrian(?) Salkhala Series; the upper Paleozoic, slightly metamorphosed schists, quartzites, and calcareous rocks of the Chalt Schist; the higher metamorphosed (garnet and staurolite grades) schists, gneisses, and marbles of the Baltit Group; the Pasu Slate; and the Triassic(?) and older(?) greenstone complex consisting in large part of metavolcanic rocks.

The metamorphism of the area is due at least in part to the intrusions of two huge silicic to intermediate batholiths of Cretaceous to Tertiary age composed largely of biotite granodiorite.

The structural grain is west-northwest throughout the area and represents a part of the structural pattern whose focus is the Hazara-Kashmir syntaxial bend. Although steep faults and isoclinal folds are present, no large thrust faults were seen. The area apparently is structurally less complicated than comparable parts of the Hindu Kush mountains farther west in Chitral State. Deeply incised streams and elevated terraces indicate very recent uplift of considerable magnitude.

Although traces of potential ore minerals are common in the Gilgit-Hispar area, deposits of possible commercial value were not seen. Heavy-mineral samples of stream sands contain fairly high concentration of scheelite. The radioactivity of the stream sands is in large  part due to the thorium and uranium content of zircon. Radiometric traverses showed slightly higher radioactivity over gneisses and quartzites than over other rocks, but no unusually high values were recorded.

","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr75273","usgsCitation":"Stauffer, K.W., 1975, Geology of the Gilgit-Hispar area, Gilgit Agency, Pakistan: U.S. Geological Survey Open-File Report 75-273, Report: 42 p.; 1 Plate: 28.15 x 21.30 inches, https://doi.org/10.3133/ofr75273.","productDescription":"Report: 42 p.; 1 Plate: 28.15 x 21.30 inches","costCenters":[],"links":[{"id":481809,"rank":3,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1975/0273/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":148253,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1975/0273/report-thumb.jpg"},{"id":431548,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1975/0273/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"scale":"250000","country":"Pakistan","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n 74.44335937499998,\n 37.020098201368114\n ],\n [\n 71.982421875,\n 36.87962060502676\n ],\n [\n 71.3671875,\n 35.96022296929667\n ],\n [\n 71.015625,\n 34.66935854524543\n ],\n [\n 69.873046875,\n 34.016241889667015\n ],\n [\n 69.521484375,\n 32.76880048488168\n ],\n [\n 68.02734375,\n 31.57853542647338\n ],\n [\n 66.884765625,\n 31.12819929911196\n ],\n [\n 63.28125,\n 29.38217507514529\n ],\n [\n 61.17187499999999,\n 29.76437737516313\n ],\n [\n 61.52343749999999,\n 24.766784522874452\n ],\n [\n 67.939453125,\n 24.04646399966658\n ],\n [\n 71.630859375,\n 24.287026865376436\n ],\n [\n 70.13671875,\n 27.761329874505232\n ],\n [\n 71.630859375,\n 27.761329874505232\n ],\n [\n 73.388671875,\n 29.99300228455108\n ],\n [\n 74.44335937499998,\n 31.80289258670676\n ],\n [\n 75.498046875,\n 32.24997445586331\n ],\n [\n 74.44335937499998,\n 34.45221847282654\n ],\n [\n 75.76171875,\n 34.88593094075317\n ],\n [\n 76.9921875,\n 35.53222622770337\n ],\n [\n 75.322265625,\n 37.16031654673677\n ],\n [\n 74.8828125,\n 36.94989178681327\n ],\n [\n 74.44335937499998,\n 37.020098201368114\n ]\n ]\n ]\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4acfe4b07f02db68029d","contributors":{"authors":[{"text":"Stauffer, Karl W.","contributorId":20760,"corporation":false,"usgs":true,"family":"Stauffer","given":"Karl","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":172258,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":13563,"text":"ofr75317 - 1975 - A general purpose contouring system","interactions":[],"lastModifiedDate":"2012-02-02T00:06:56","indexId":"ofr75317","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":"75-317","title":"A general purpose contouring system","docAbstract":"Three Decsystem-10 FORTRAN IV programs provide a general purpose system for contouring two-dimensional data. The system can provide both quick or final, publication quality contour maps on either interactive or offline plotting devices. Complete user documentation, with examples, and program listings are presented.","language":"ENGLISH","publisher":"U.S. Dept. of the Interior, Geological Survey,","doi":"10.3133/ofr75317","usgsCitation":"Evenden, G.I., 1975, A general purpose contouring system: U.S. Geological Survey Open-File Report 75-317, 108 leaves :ill. ;28 cm., https://doi.org/10.3133/ofr75317.","productDescription":"108 leaves :ill. ;28 cm.","costCenters":[],"links":[{"id":146817,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1975/0317/report-thumb.jpg"},{"id":42040,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1975/0317/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e486ee4b07f02db50c339","contributors":{"authors":[{"text":"Evenden, Gerald Ian","contributorId":6460,"corporation":false,"usgs":true,"family":"Evenden","given":"Gerald","email":"","middleInitial":"Ian","affiliations":[],"preferred":false,"id":168029,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":46423,"text":"ofr75192 - 1975 - Leasable mineral and waterpower land classification map, Jordan Quadrangle, Montana, showing lands withdrawn, classified, and valuable prospectively for leasable minerals and occurrences of other selected minerals; lands withdrawn or classified for waterpower and reservoir sites","interactions":[{"subject":{"id":46423,"text":"ofr75192 - 1975 - Leasable mineral and waterpower land classification map, Jordan Quadrangle, Montana, showing lands withdrawn, classified, and valuable prospectively for leasable minerals and occurrences of other selected minerals; lands withdrawn or classified for waterpower and reservoir sites","indexId":"ofr75192","publicationYear":"1975","noYear":false,"title":"Leasable mineral and waterpower land classification map, Jordan Quadrangle, Montana, showing lands withdrawn, classified, and valuable prospectively for leasable minerals and occurrences of other selected minerals; lands withdrawn or classified for waterpower and reservoir sites"},"predicate":"SUPERSEDED_BY","object":{"id":64707,"text":"i1102 - 1978 - Leasable mineral and waterpower land classification map of the Jordan 1 degree x 2 degrees quadrangle, Montana","indexId":"i1102","publicationYear":"1978","noYear":false,"title":"Leasable mineral and waterpower land classification map of the Jordan 1 degree x 2 degrees quadrangle, Montana"},"id":1}],"supersededBy":{"id":64707,"text":"i1102 - 1978 - Leasable mineral and waterpower land classification map of the Jordan 1 degree x 2 degrees quadrangle, Montana","indexId":"i1102","publicationYear":"1978","noYear":false,"title":"Leasable mineral and waterpower land classification map of the Jordan 1 degree x 2 degrees quadrangle, Montana"},"lastModifiedDate":"2012-02-02T00:10:48","indexId":"ofr75192","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":"75-192","title":"Leasable mineral and waterpower land classification map, Jordan Quadrangle, Montana, showing lands withdrawn, classified, and valuable prospectively for leasable minerals and occurrences of other selected minerals; lands withdrawn or classified for waterpower and reservoir sites","language":"ENGLISH","doi":"10.3133/ofr75192","usgsCitation":"Bateman, A.F., and Allen, E.G., 1975, Leasable mineral and waterpower land classification map, Jordan Quadrangle, Montana, showing lands withdrawn, classified, and valuable prospectively for leasable minerals and occurrences of other selected minerals; lands withdrawn or classified for waterpower and reservoir sites: U.S. Geological Survey Open-File Report 75-192, 1 map., https://doi.org/10.3133/ofr75192.","productDescription":"1 map.","costCenters":[],"links":[{"id":170683,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"scale":"250000","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b1ae4b07f02db6a8576","contributors":{"authors":[{"text":"Bateman, Andrew F. Jr.","contributorId":46916,"corporation":false,"usgs":true,"family":"Bateman","given":"Andrew","suffix":"Jr.","email":"","middleInitial":"F.","affiliations":[],"preferred":false,"id":233288,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Allen, Elizabeth G.","contributorId":42183,"corporation":false,"usgs":true,"family":"Allen","given":"Elizabeth","email":"","middleInitial":"G.","affiliations":[],"preferred":false,"id":233287,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":13933,"text":"ofr75554 - 1975 - Analytical data on the Phosphoria Formation, western United States","interactions":[],"lastModifiedDate":"2012-02-02T00:06:56","indexId":"ofr75554","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":"75-554","title":"Analytical data on the Phosphoria Formation, western United States","language":"ENGLISH","publisher":"U.S. Geological Survey],","doi":"10.3133/ofr75554","usgsCitation":"Gulbrandsen, R.A., 1975, Analytical data on the Phosphoria Formation, western United States: U.S. Geological Survey Open-File Report 75-554, 45 leaves :maps ;27 cm., https://doi.org/10.3133/ofr75554.","productDescription":"45 leaves :maps ;27 cm.","costCenters":[],"links":[{"id":146685,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1975/0554/report-thumb.jpg"},{"id":42597,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1975/0554/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4acee4b07f02db67f9df","contributors":{"authors":[{"text":"Gulbrandsen, Robert A.","contributorId":83083,"corporation":false,"usgs":true,"family":"Gulbrandsen","given":"Robert","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":168666,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":15366,"text":"ofr75439 - 1975 - Preliminary geologic map of the Westford Quadrangle, Windham and Tolland Counties, Connecticut","interactions":[{"subject":{"id":15366,"text":"ofr75439 - 1975 - Preliminary geologic map of the Westford Quadrangle, Windham and Tolland Counties, Connecticut","indexId":"ofr75439","publicationYear":"1975","noYear":false,"title":"Preliminary geologic map of the Westford Quadrangle, Windham and Tolland Counties, Connecticut"},"predicate":"SUPERSEDED_BY","object":{"id":62273,"text":"gq1214 - 1975 - Geologic map of the Westford quadrangle, Connecticut","indexId":"gq1214","publicationYear":"1975","noYear":false,"title":"Geologic map of the Westford quadrangle, Connecticut"},"id":1}],"supersededBy":{"id":62273,"text":"gq1214 - 1975 - Geologic map of the Westford quadrangle, Connecticut","indexId":"gq1214","publicationYear":"1975","noYear":false,"title":"Geologic map of the Westford quadrangle, Connecticut"},"lastModifiedDate":"2012-02-02T00:07:08","indexId":"ofr75439","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":"75-439","title":"Preliminary geologic map of the Westford Quadrangle, Windham and Tolland Counties, Connecticut","language":"ENGLISH","publisher":"U.S. Geological Survey],","doi":"10.3133/ofr75439","usgsCitation":"Peper, J.D., and Pease, M.H., 1975, Preliminary geologic map of the Westford Quadrangle, Windham and Tolland Counties, Connecticut: U.S. Geological Survey Open-File Report 75-439, 22 leaves :ill., maps ;31 cm.; (27 p., 1 sheet, scale 1:24,000 - PGS), https://doi.org/10.3133/ofr75439.","productDescription":"22 leaves :ill., maps ;31 cm.; (27 p., 1 sheet, scale 1:24,000 - PGS)","costCenters":[],"links":[{"id":148602,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"scale":"24000","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ac5e4b07f02db679d26","contributors":{"authors":[{"text":"Peper, John D.","contributorId":105320,"corporation":false,"usgs":true,"family":"Peper","given":"John","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":171019,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Pease, Maurice Henry","contributorId":72385,"corporation":false,"usgs":true,"family":"Pease","given":"Maurice","email":"","middleInitial":"Henry","affiliations":[],"preferred":false,"id":171018,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":15827,"text":"ofr75495 - 1975 - Summary of the search for radioactive minerals in Pakistan to 1963","interactions":[],"lastModifiedDate":"2012-02-02T00:07:11","indexId":"ofr75495","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":"75-495","title":"Summary of the search for radioactive minerals in Pakistan to 1963","language":"ENGLISH","publisher":"U.S. Geological Survey],","doi":"10.3133/ofr75495","usgsCitation":"Schmidt, R.G., 1975, Summary of the search for radioactive minerals in Pakistan to 1963: U.S. Geological Survey Open-File Report 75-495, iii, 60, [6] leaves :6 folded maps ;27 cm.; (43 p. - PGS), https://doi.org/10.3133/ofr75495.","productDescription":"iii, 60, [6] leaves :6 folded maps ;27 cm.; (43 p. - PGS)","costCenters":[],"links":[{"id":149762,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b01e4b07f02db6987b9","contributors":{"authors":[{"text":"Schmidt, Robert George","contributorId":36908,"corporation":false,"usgs":true,"family":"Schmidt","given":"Robert","email":"","middleInitial":"George","affiliations":[],"preferred":false,"id":171803,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":16103,"text":"ofr75164 - 1975 - Laterite and other aluminous deposits in Pakistan","interactions":[],"lastModifiedDate":"2012-02-02T00:07:14","indexId":"ofr75164","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":"75-164","title":"Laterite and other aluminous deposits in Pakistan","language":"ENGLISH","publisher":"U.S. Geological Survey],","doi":"10.3133/ofr75164","usgsCitation":"Stanin, S.A., 1975, Laterite and other aluminous deposits in Pakistan: U.S. Geological Survey Open-File Report 75-164, 25 leaves :maps (some folded) ;27 cm., https://doi.org/10.3133/ofr75164.","productDescription":"25 leaves :maps (some folded) ;27 cm.","costCenters":[],"links":[{"id":149097,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b1be4b07f02db6a89de","contributors":{"authors":[{"text":"Stanin, S. Anthony","contributorId":57853,"corporation":false,"usgs":true,"family":"Stanin","given":"S.","email":"","middleInitial":"Anthony","affiliations":[],"preferred":false,"id":172239,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":16098,"text":"ofr75127 - 1975 - A program for mass spectrometer control and data processing analyses in isotope geology; written in BASIC for an 8K Nova 1120 computer","interactions":[],"lastModifiedDate":"2012-02-02T00:07:14","indexId":"ofr75127","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":"75-127","title":"A program for mass spectrometer control and data processing analyses in isotope geology; written in BASIC for an 8K Nova 1120 computer","docAbstract":"A system is described which uses a minicomputer to control a surface ionization mass spectrometer in the peak switching mode, with the object of computing isotopic abundance ratios of elements of geologic interest. The program uses the BASIC language and is sufficiently flexible to be used for multiblock analyses of any spectrum containing from two to five peaks. In the case of strontium analyses, ratios are corrected for rubidium content and normalized for mass spectrometer fractionation. Although almost any minicomputer would be suitable, the model used was the Data General Nova 1210 with 8K memory. Assembly language driver program and interface hardware-descriptions for the Nova 1210 are included.","language":"ENGLISH","publisher":"U.S. Dept. of the Interior, Geological Survey,","doi":"10.3133/ofr75127","usgsCitation":"Stacey, J.S., and Hope, J., 1975, A program for mass spectrometer control and data processing analyses in isotope geology; written in BASIC for an 8K Nova 1120 computer: U.S. Geological Survey Open-File Report 75-127, ii, 48 leaves ;28 cm., https://doi.org/10.3133/ofr75127.","productDescription":"ii, 48 leaves ;28 cm.","costCenters":[],"links":[{"id":149075,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1975/0127/report-thumb.jpg"},{"id":45020,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1975/0127/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b1be4b07f02db6a9103","contributors":{"authors":[{"text":"Stacey, J. S.","contributorId":72785,"corporation":false,"usgs":true,"family":"Stacey","given":"J.","email":"","middleInitial":"S.","affiliations":[],"preferred":false,"id":172229,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hope, J.","contributorId":81506,"corporation":false,"usgs":true,"family":"Hope","given":"J.","email":"","affiliations":[],"preferred":false,"id":172230,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":16582,"text":"ofr7570 - 1975 - A mineralogical study of the Guanajuato, Mexico, silver ores","interactions":[],"lastModifiedDate":"2025-07-14T14:46:56.248662","indexId":"ofr7570","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":"75-70","title":"A mineralogical study of the Guanajuato, Mexico, silver ores","docAbstract":"

The silver-gold ores now being worked in the Guanajuato, Mexico, mining district consist chiefly of argentite and native gold-silver, with minor amounts of polybasite, pyrargyrite, and some argyrodite, a silver germanium sulfide. With these are always associated galena, sphalerite, chalcopyrite, pyrite, and minor amounts of marcasite. The gangue is generally a breccia of various rock types, mostly volcanics, cemented by calcite that has been largely replaced by quartz. The quarts is often amethystine, and is the carrier of the metallic minerals. The breccia fragments are pyritized, but not markedly mineralized otherwise; most of the ore minerals are in the quarzitic cementing materials; however, relatively large crystals of the complex sulphosalts appear to be younger than, i.e., deposited on, the quarts crystals in vugs.

The mineralization is not of the banded-vein type, but consists of discrete ore particles in patches and streaks in the quarts. In general there is no,clear indication that any of the base-metal sulfides are in a definite age sequence; there is evidence of argentite replacing galena, as well as the other sulfides.

There are local variations in the gangue - a soapstone (\"jabon\") is worked locally, and also a porous leached (?) siliceous rock (\"charasco\"). The character of the mineralisation, however, is essentially constant throughout the area studied, and in particular no significant variation was noted in the several vein systems.

Investigation of gas-liquid inclusions in the quartz suggests that the ores were deposited at about 254°C and, therefore, that the mineralization is hydrothermal.

Possible recovery of the base-metal content of the ore is considered; it is computed that several hundred thousand dollars worth of copper, zinc, and lead is mined and milled annually, and discarded as tailings and/or slag. This with similar waste from not-too remote mining districts might be processed at some central point for profitable recovery. Hitherto unrecognized germanium is also present, but in the absence of a cheap and reliable method of estimating small percentages of this metal, it is not likely that germanium can be produced economically.

","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr7570","usgsCitation":"Wilson, I.F., Milton, C., and Houston, J.R., 1975, A mineralogical study of the Guanajuato, Mexico, silver ores: U.S. Geological Survey Open-File Report 75-70, 157 p., https://doi.org/10.3133/ofr7570.","productDescription":"157 p.","costCenters":[],"links":[{"id":492201,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1975/0070/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":148455,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1975/0070/report-thumb.jpg"}],"country":"Mexico","state":"Guanajuato","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -103.07143132538243,\n 22.06160830209653\n ],\n [\n -103.07143132538243,\n 19.796004819064265\n ],\n [\n -99.39564170640034,\n 19.796004819064265\n ],\n [\n -99.39564170640034,\n 22.06160830209653\n ],\n [\n -103.07143132538243,\n 22.06160830209653\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b23e4b07f02db6adfc9","contributors":{"authors":[{"text":"Wilson, Ivan Franklin","contributorId":103724,"corporation":false,"usgs":true,"family":"Wilson","given":"Ivan","email":"","middleInitial":"Franklin","affiliations":[],"preferred":false,"id":173107,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Milton, Charles","contributorId":13616,"corporation":false,"usgs":true,"family":"Milton","given":"Charles","email":"","affiliations":[],"preferred":false,"id":173105,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Houston, Joseph Rollins","contributorId":44239,"corporation":false,"usgs":true,"family":"Houston","given":"Joseph","email":"","middleInitial":"Rollins","affiliations":[],"preferred":false,"id":173106,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":16508,"text":"ofr74125 - 1975 - The role of ground water in resources planning in the western United States","interactions":[],"lastModifiedDate":"2012-02-02T00:07:09","indexId":"ofr74125","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":"74-125","title":"The role of ground water in resources planning in the western United States","language":"ENGLISH","publisher":"U.S. Geological Survey],","doi":"10.3133/ofr74125","usgsCitation":"West, S.W., 1975, The role of ground water in resources planning in the western United States: U.S. Geological Survey Open-File Report 74-125, 177 p. :maps ;27 cm.; (248 p. - PGS), https://doi.org/10.3133/ofr74125.","productDescription":"177 p. :maps ;27 cm.; (248 p. - PGS)","costCenters":[],"links":[{"id":148560,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1974/0125/report-thumb.jpg"},{"id":45486,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1974/0125/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a6fe4b07f02db640e7d","contributors":{"authors":[{"text":"West, Samuel Wilson","contributorId":24763,"corporation":false,"usgs":true,"family":"West","given":"Samuel","email":"","middleInitial":"Wilson","affiliations":[],"preferred":false,"id":172968,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":13370,"text":"ofr75309 - 1975 - Mineralization in the Wadi Qatan area, Kingdom of Saudi Arabia","interactions":[],"lastModifiedDate":"2012-02-02T00:06:55","indexId":"ofr75309","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":"75-309","title":"Mineralization in the Wadi Qatan area, Kingdom of Saudi Arabia","language":"ENGLISH","publisher":"U.S. Geological Survey,","doi":"10.3133/ofr75309","usgsCitation":"Dodge, F., and Rossman, D.L., 1975, Mineralization in the Wadi Qatan area, Kingdom of Saudi Arabia: U.S. Geological Survey Open-File Report 75-309, v, 71 leaves, 1 sheet :ill., maps ;28 cm., https://doi.org/10.3133/ofr75309.","productDescription":"v, 71 leaves, 1 sheet :ill., maps ;28 cm.","costCenters":[],"links":[{"id":146651,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b05e4b07f02db699edf","contributors":{"authors":[{"text":"Dodge, F. C.","contributorId":74012,"corporation":false,"usgs":true,"family":"Dodge","given":"F. C.","affiliations":[],"preferred":false,"id":167692,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Rossman, Darwin L.","contributorId":94663,"corporation":false,"usgs":true,"family":"Rossman","given":"Darwin","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":167693,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":16585,"text":"ofr75344 - 1975 - Solid-waste disposal sites in relation to water resources in the Seattle-Tacoma urban complex and vicinity, Washington","interactions":[],"lastModifiedDate":"2023-01-18T20:05:46.904323","indexId":"ofr75344","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":"75-344","title":"Solid-waste disposal sites in relation to water resources in the Seattle-Tacoma urban complex and vicinity, Washington","docAbstract":"

No abstract available.

","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr75344","usgsCitation":"Wilson, R.T., 1975, Solid-waste disposal sites in relation to water resources in the Seattle-Tacoma urban complex and vicinity, Washington: U.S. Geological Survey Open-File Report 75-344, Report: 15 p.; 2 Plates: 13.44 x 28.72 inches and 22.35 x 30.68 inches, https://doi.org/10.3133/ofr75344.","productDescription":"Report: 15 p.; 2 Plates: 13.44 x 28.72 inches and 22.35 x 30.68 inches","costCenters":[],"links":[{"id":412048,"rank":5,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_15159.htm","linkFileType":{"id":5,"text":"html"}},{"id":45583,"rank":4,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1975/0344/plate-2.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":45584,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1975/0344/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":45582,"rank":3,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1975/0344/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":148458,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1975/0344/report-thumb.jpg"}],"country":"United States","state":"Washington","otherGeospatial":"Seattle-Tacoma urban complex","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -123.10976959984707,\n 48.15621690336431\n ],\n [\n -123.10976959984707,\n 46.93282664711148\n ],\n [\n -121.88284598245593,\n 46.93282664711148\n ],\n [\n -121.88284598245593,\n 48.15621690336431\n ],\n [\n -123.10976959984707,\n 48.15621690336431\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49ece4b07f02db5eb9a4","contributors":{"authors":[{"text":"Wilson, Reed T.","contributorId":38551,"corporation":false,"usgs":true,"family":"Wilson","given":"Reed","email":"","middleInitial":"T.","affiliations":[],"preferred":false,"id":173112,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":15965,"text":"ofr75566 - 1975 - Textural distribution of sea-floor sediments, South Texas Outer Continental Shelf","interactions":[{"subject":{"id":15965,"text":"ofr75566 - 1975 - Textural distribution of sea-floor sediments, South Texas Outer Continental Shelf","indexId":"ofr75566","publicationYear":"1975","noYear":false,"title":"Textural distribution of sea-floor sediments, South Texas Outer Continental Shelf"},"predicate":"SUPERSEDED_BY","object":{"id":70042740,"text":"70042740 - 1976 - Textural distribution of sea-floor sediments, south Texas Outer Continental Shelf","indexId":"70042740","publicationYear":"1976","noYear":false,"title":"Textural distribution of sea-floor sediments, south Texas Outer Continental Shelf"},"id":1}],"supersededBy":{"id":70042740,"text":"70042740 - 1976 - Textural distribution of sea-floor sediments, south Texas Outer Continental Shelf","indexId":"70042740","publicationYear":"1976","noYear":false,"title":"Textural distribution of sea-floor sediments, south Texas Outer Continental Shelf"},"lastModifiedDate":"2013-01-22T14:37:49","indexId":"ofr75566","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":"75-566","title":"Textural distribution of sea-floor sediments, South Texas Outer Continental Shelf","language":"ENGLISH","publisher":"U.S. Geological Survey],","doi":"10.3133/ofr75566","usgsCitation":"Shideler, G.L., 1975, Textural distribution of sea-floor sediments, South Texas Outer Continental Shelf: U.S. Geological Survey Open-File Report 75-566, 23 leaves :maps ;27 cm., https://doi.org/10.3133/ofr75566.","productDescription":"23 leaves :maps ;27 cm.","costCenters":[],"links":[{"id":149110,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ad5e4b07f02db683721","contributors":{"authors":[{"text":"Shideler, Gerald L.","contributorId":89137,"corporation":false,"usgs":true,"family":"Shideler","given":"Gerald","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":172019,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":16571,"text":"ofr75466 - 1975 - Availability of surface water Montgomery County, Alabama","interactions":[],"lastModifiedDate":"2012-02-02T00:07:09","indexId":"ofr75466","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":"75-466","title":"Availability of surface water Montgomery County, Alabama","language":"ENGLISH","publisher":"U.S. Geological Survey,","doi":"10.3133/ofr75466","usgsCitation":"Willmon, J., 1975, Availability of surface water Montgomery County, Alabama: U.S. Geological Survey Open-File Report 75-466, 15 leaves :ill. (1 col.), col. maps ;30 cm.; (18 p. - PGS), https://doi.org/10.3133/ofr75466.","productDescription":"15 leaves :ill. 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(1 col.), col. maps. ;29 cm.; (19 p. - PGS), https://doi.org/10.3133/ofr75465.","productDescription":"15 leaves :ill. (1 col.), col. maps. ;29 cm.; (19 p. - PGS)","costCenters":[],"links":[{"id":148620,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a9ae4b07f02db65d732","contributors":{"authors":[{"text":"Willmon, J.R.","contributorId":102894,"corporation":false,"usgs":true,"family":"Willmon","given":"J.R.","email":"","affiliations":[],"preferred":false,"id":173078,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":15457,"text":"ofr75269 - 1975 - Petrography of University of Washington dredge samples for the central Chukchi Sea","interactions":[],"lastModifiedDate":"2023-12-04T22:01:50.382181","indexId":"ofr75269","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":"75-269","title":"Petrography of University of Washington dredge samples for the central Chukchi Sea","docAbstract":"

Twenty thin sections of rocks dredged from the central Chukchi Sea have been examined petrographically and compared with some onshore rocks in northern Alaska. Of these, 16 are sandstones, three are highly CaCO3-rich silts and carbonate rocks, and one is an olivine-magnetite-rich basalt. Eight of the sandstones have been point-counted in an effort to determine compositional trends. Sample numbers, lithologies, and locations are summarized in Table 1, and locations are shown in Figure 1. Dr. Joe S. Creager of the University of Washington kindly provided the dredge samples and thin sections for study.

","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr75269","usgsCitation":"Platt, J.B., 1975, Petrography of University of Washington dredge samples for the central Chukchi Sea: U.S. Geological Survey Open-File Report 75-269, 14 p., https://doi.org/10.3133/ofr75269.","productDescription":"14 p.","costCenters":[],"links":[{"id":423190,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1975/0269/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":149036,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1975/0269/report-thumb.jpg"}],"country":"United States","state":"Alaska","otherGeospatial":"Chukchi Sea","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -172.54646300011117,\n 72.19257565797591\n ],\n [\n -172.54646300011117,\n 66.85249650996144\n ],\n [\n -160.1037499766506,\n 66.85249650996144\n ],\n [\n -160.1037499766506,\n 72.19257565797591\n ],\n [\n -172.54646300011117,\n 72.19257565797591\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ae0e4b07f02db68802c","contributors":{"authors":[{"text":"Platt, Jeremy B.","contributorId":98331,"corporation":false,"usgs":true,"family":"Platt","given":"Jeremy","email":"","middleInitial":"B.","affiliations":[],"preferred":false,"id":171166,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":13270,"text":"ofr75459 - 1975 - Water availability and geology of Sumter County, Alabama","interactions":[],"lastModifiedDate":"2012-02-02T00:06:54","indexId":"ofr75459","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":"75-459","title":"Water availability and geology of Sumter County, Alabama","docAbstract":"Geologic units that crop out in Sumter County include the Selma Group of Late Cretaceous age; the Midway and Wilcox Groups of Tertiary Age; and terrace deposits and alluvium of Quaternary age. The Tuscaloosa Group, consisting of the Coker and Gordo Formations, and Eutaw Formation of Late Cretaceous age underlie the entire county. The Cretaceous units dip southwestward about 45 feet per mile and strike northwestward. They consist chiefly of deposits of sand, gravel, chalk, and clay.\r\n\r\nPotential sources of large supplies of ground water are major aquifers in the Coker, Gordo, and Eutaw Formations; expected yields are 1.6 mgd (million gallons per day or more per well. The Naheola and Nanafalia formations, Tuscahome Sand, and terrace deposits and alluvium are expected to yield 10 to 50 gallons per minute per well.","language":"ENGLISH","publisher":"U.S. Geological Survey,","doi":"10.3133/ofr75459","usgsCitation":"Davis, M.E., Sanford, T., and Jefferson, P.O., 1975, Water availability and geology of Sumter County, Alabama: U.S. Geological Survey Open-File Report 75-459, 48 leaves :ill. 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Marvin E.","contributorId":36553,"corporation":false,"usgs":true,"family":"Davis","given":"Marvin","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":167510,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Sanford, Thomas H.","contributorId":62612,"corporation":false,"usgs":true,"family":"Sanford","given":"Thomas H.","affiliations":[],"preferred":false,"id":167511,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Jefferson, Patrick O.","contributorId":27455,"corporation":false,"usgs":true,"family":"Jefferson","given":"Patrick","email":"","middleInitial":"O.","affiliations":[],"preferred":false,"id":167509,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":13269,"text":"ofr75452 - 1975 - Water availability and geology of Hale County, Alabama","interactions":[{"subject":{"id":13269,"text":"ofr75452 - 1975 - Water availability and geology of Hale County, Alabama","indexId":"ofr75452","publicationYear":"1975","noYear":false,"title":"Water availability and geology of Hale County, Alabama"},"predicate":"SUPERSEDED_BY","object":{"id":70043192,"text":"70043192 - 1975 - Water availability and geology of Hale County, Alabama","indexId":"70043192","publicationYear":"1975","noYear":false,"title":"Water availability and geology of Hale County, Alabama"},"id":1}],"supersededBy":{"id":70043192,"text":"70043192 - 1975 - Water availability and geology of Hale County, Alabama","indexId":"70043192","publicationYear":"1975","noYear":false,"title":"Water availability and geology of Hale County, Alabama"},"lastModifiedDate":"2020-03-12T08:16:11","indexId":"ofr75452","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":"75-452","title":"Water availability and geology of Hale County, Alabama","docAbstract":"

Geologic units that underlie and crop out in Hale County include the Tuscaloosa Group, Eutaw Formation, and Selma Group of Late Cretaceous age, and terrace deposits and alluvium of Quaternary age. The Cretaceous units dip southwest about 35 feet per mile and strike northwest. They consist chiefly of deposits of sand, gravel, chalk, and clay.

Potential sources of large supplies of ground water are major aquifers in the Coker, Gordo, and Eutaw Formations; expected yields are 1.5 mgd (million gallons per day per well). Aquifers in the Eutaw Formation are the shallowest source of ground water in most of the county.

The average annual runoff originating in Hale County is about 17 inches or 0.82 mgd per square mile. The Black Warrior River, largest potential source of surface water in the county, has an average flow of 5,800 mgd at gaging station 2-4660 near Eutaw and a median annual 7-day low flow of 349 mgd. Elliotts, Fivemile, Big Brush, and Big Prairie Creeks also are potential sources of surface water. These creeks have average flows ranging from 35 to 210 mgd and median annual 7-day low flows in excess of 2 mgd at their lower reaches.

Water from most streams in the county contains less than 10 mg/l (milligrams per liter) chloride and ranges from soft to hard. The mineral content of water from Big Brush Creek is affected by salty water from a flowing well. Ground water from the major aquifers contains less than 250 mg/l chloride, except in the extreme northwestern and west-central parts of the county, and ranges from soft to very hard. Water from the aquifers generally contains iron in excess of 0.3 mg/l except in the southern part of the county.

Water use in Hale County in 1968 was about 3.9 mgd, most of which was ground water. Less than one percent of the potential water resources is being utilized.

","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr75452","usgsCitation":"Davis, M.E., Sanford, T.H., and Jefferson, P.O., 1975, Water availability and geology of Hale County, Alabama: U.S. Geological Survey Open-File Report 75-452, Report: 95 p.; 5 Tables; 12 Figures, https://doi.org/10.3133/ofr75452.","productDescription":"Report: 95 p.; 5 Tables; 12 Figures","costCenters":[],"links":[{"id":373132,"rank":14,"type":{"id":29,"text":"Figure"},"url":"https://pubs.usgs.gov/of/1975/0452/figure-10.pdf","text":"Figure 10","linkFileType":{"id":1,"text":"pdf"}},{"id":373120,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1975/0452/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":373131,"rank":13,"type":{"id":29,"text":"Figure"},"url":"https://pubs.usgs.gov/of/1975/0452/figure-9B-top.pdf","text":"Figure 9B (top view)","linkFileType":{"id":1,"text":"pdf"}},{"id":147358,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1975/0452/report-thumb.jpg"},{"id":373121,"rank":3,"type":{"id":29,"text":"Figure"},"url":"https://pubs.usgs.gov/of/1975/0452/figure-1.pdf","text":"Figure 1","linkFileType":{"id":1,"text":"pdf"}},{"id":373122,"rank":4,"type":{"id":29,"text":"Figure"},"url":"https://pubs.usgs.gov/of/1975/0452/figure-2.pdf","text":"Figure 2","linkFileType":{"id":1,"text":"pdf"}},{"id":373123,"rank":5,"type":{"id":29,"text":"Figure"},"url":"https://pubs.usgs.gov/of/1975/0452/figure-3.pdf","text":"Figure 3","linkFileType":{"id":1,"text":"pdf"}},{"id":373124,"rank":6,"type":{"id":29,"text":"Figure"},"url":"https://pubs.usgs.gov/of/1975/0452/figure-4.pdf","text":"Figure 4","linkFileType":{"id":1,"text":"pdf"}},{"id":373125,"rank":7,"type":{"id":29,"text":"Figure"},"url":"https://pubs.usgs.gov/of/1975/0452/figure-5.pdf","text":"Figure 5","linkFileType":{"id":1,"text":"pdf"}},{"id":373126,"rank":8,"type":{"id":29,"text":"Figure"},"url":"https://pubs.usgs.gov/of/1975/0452/figure-6.pdf","text":"Figure 6","linkFileType":{"id":1,"text":"pdf"}},{"id":373127,"rank":9,"type":{"id":29,"text":"Figure"},"url":"https://pubs.usgs.gov/of/1975/0452/figure-7.pdf","text":"Figure 7","linkFileType":{"id":1,"text":"pdf"}},{"id":373128,"rank":10,"type":{"id":29,"text":"Figure"},"url":"https://pubs.usgs.gov/of/1975/0452/figure-8.pdf","text":"Figure 8","linkFileType":{"id":1,"text":"pdf"}},{"id":373129,"rank":11,"type":{"id":29,"text":"Figure"},"url":"https://pubs.usgs.gov/of/1975/0452/figure-9A.pdf","text":"Figure 9A","linkFileType":{"id":1,"text":"pdf"}},{"id":373130,"rank":12,"type":{"id":29,"text":"Figure"},"url":"https://pubs.usgs.gov/of/1975/0452/figure-9B-side.pdf","text":"Figure 9B (side view)","linkFileType":{"id":1,"text":"pdf"}},{"id":373133,"rank":15,"type":{"id":27,"text":"Table"},"url":"https://pubs.usgs.gov/of/1975/0452/table-1.pdf","text":"Table 1","linkFileType":{"id":1,"text":"pdf"}},{"id":373134,"rank":16,"type":{"id":27,"text":"Table"},"url":"https://pubs.usgs.gov/of/1975/0452/table-2.pdf","text":"Table 2","linkFileType":{"id":1,"text":"pdf"}},{"id":373135,"rank":17,"type":{"id":27,"text":"Table"},"url":"https://pubs.usgs.gov/of/1975/0452/table-4.pdf","text":"Table 4","linkFileType":{"id":1,"text":"pdf"}},{"id":373136,"rank":18,"type":{"id":27,"text":"Table"},"url":"https://pubs.usgs.gov/of/1975/0452/table-5.pdf","text":"Table 5","linkFileType":{"id":1,"text":"pdf"}},{"id":373137,"rank":19,"type":{"id":27,"text":"Table"},"url":"https://pubs.usgs.gov/of/1975/0452/table-6.pdf","text":"Table 6","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States","state":"Alabama","county":"Hale County","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -87.87002563476562,\n 32.465743313283596\n ],\n [\n -87.3694610595703,\n 32.465743313283596\n ],\n [\n -87.3694610595703,\n 32.99829825477535\n ],\n [\n -87.87002563476562,\n 32.99829825477535\n ],\n [\n -87.87002563476562,\n 32.465743313283596\n ]\n ]\n ]\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a08e4b07f02db5fa324","contributors":{"authors":[{"text":"Davis, Marvin E.","contributorId":36553,"corporation":false,"usgs":true,"family":"Davis","given":"Marvin","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":167507,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Sanford, Thomas H. Jr.","contributorId":223212,"corporation":false,"usgs":true,"family":"Sanford","given":"Thomas","suffix":"Jr.","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":167508,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Jefferson, Patrick O.","contributorId":27455,"corporation":false,"usgs":true,"family":"Jefferson","given":"Patrick","email":"","middleInitial":"O.","affiliations":[],"preferred":false,"id":167506,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":15458,"text":"ofr75346 - 1975 - Gravity and magnetic profiles and maps, Crump Geyser area, Oregon","interactions":[],"lastModifiedDate":"2012-02-02T00:07:04","indexId":"ofr75346","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":"75-346","title":"Gravity and magnetic profiles and maps, Crump Geyser area, Oregon","language":"ENGLISH","publisher":"U.S. Geological Survey,","doi":"10.3133/ofr75346","usgsCitation":"Plouff, D., and Conradi, A., 1975, Gravity and magnetic profiles and maps, Crump Geyser area, Oregon: U.S. Geological Survey Open-File Report 75-346, 2 leaves :ill. (some folded), 3 folded maps ;28 cm.; (12 sheets - PGS), https://doi.org/10.3133/ofr75346.","productDescription":"2 leaves :ill. 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Office,","doi":"10.3133/ofr75310","usgsCitation":"Offield, T.W., and Pohn, H.A., 1975, The Decaturville, Missouri, impact structure; a geologic summary with map: U.S. Geological Survey Open-File Report 75-310, 7 leaves :map ;28 cm., https://doi.org/10.3133/ofr75310.","productDescription":"7 leaves :map ;28 cm.","costCenters":[],"links":[{"id":147123,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1975/0310/report-thumb.jpg"},{"id":44187,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1975/0310/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4acce4b07f02db67e94c","contributors":{"authors":[{"text":"Offield, Terry W.","contributorId":15196,"corporation":false,"usgs":true,"family":"Offield","given":"Terry","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":170800,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Pohn, Howard A.","contributorId":66681,"corporation":false,"usgs":true,"family":"Pohn","given":"Howard","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":170801,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":14958,"text":"ofr75312 - 1975 - Availability of ground water in Marion County, Indiana","interactions":[],"lastModifiedDate":"2021-12-30T18:42:52.900204","indexId":"ofr75312","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":"75-312","title":"Availability of ground water in Marion County, Indiana","docAbstract":"

County constitute the most extensive aquifers in the county. Four areally distinct sand and gravel aquifers were mapped in the drift during the course of this study. The aquifer of greatest economic importance consists of sand and gravel deposits of glacial-outwash origin which coincide with the courses of the White River and Fall Creek. Ground water in this aquifer is generally unconfined. Three thin, areally discontinuous, sheetlike deposits of sand and gravel situated one above the other occur in the till-plain area of the county. These deposits coalesce in some areas, but generally are separated by beds of silt and clay of varying thickness which cause the ground water in the till-plain aquifers to be semiconfined.

\n

The uppermost 100 feet (30 metres) or so of limestone and (or) dolomite underlying the glacial drift constitutes an aquifer of secondary importance in the county. This aquifer is separated from the unconsolidated aquifers either by silt and clay or by shale.

\n

The present movement of ground water through these aquifers is generally toward the White River, Fall Creek, Eagle Creek or Buck Creek. Based on seepage data, water levels in the aquifers in April and May 1974, and subsequent electric-analog-model analysis, discharge of ground water by seepage into the streams in the glacial outwash averages about 42 cubic feet per day per foot (3.9 cubic metres per day per metre) of channel length.

\n

A four-layer electric-analog model incorporating the geometry and hydraulic characteristics of the aquifers, the confining beds and the stream- aquifer connection was constructed to determine the feasibility and hydrologic results of proposed plans for future ground-water development.

\n

Three large well fields were simulated in the model of the glacial-outwash aquifer, with pumping nodes situated so as to take advantage both of high transmissivity areas in the aquifer, and of recharge from the streams.

\n

A series of model experiments were carried out to test the capacity of the aquifers to sustain increases in pumpage. In all of these, a new equilibrium was established within 6 years of simulated pumpage. In two of these experiments, water levels in the discharging wells were allowed to draw down to approximately half of the saturated thickness of the glacial-outwash aquifer. At this drawdown limit, the total discharge of wells in the system was found to be 59 million gallons per day (2.6 cubic second) assuming that the streams were fully connected to the upper third of the glacial-outwash aquifer. In two other experiments, discharging wells were allowed to drawdown an average of two-thirds of the saturated thickness of the glacial-outwash aquifer. At this limit, the total discharge was found to be 72 million gallons per day (3.2 cubic metres per second) using the conservative stream-aquifer connection, and 103 million gallons per day (4.5 cubic metres per second) assuming a full connection. Some dewatering of the aquifer was associated with the 72 million gallons per day (3.2 cubic metres per second) discharge. In all experiments, the amount that could be pumped from the confined aquifers without disturbing existing domestic wells was found to be small.

","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Indianapolis, IN","doi":"10.3133/ofr75312","collaboration":"Prepared in cooperation with Indiana Department of Natural Resources, Division of Water","usgsCitation":"Meyer, W.R., Reussow, J.P., Gillies, D.C., and Shampine, W., 1975, Availability of ground water in Marion County, Indiana: U.S. Geological Survey Open-File Report 75-312, viii, 87 p., https://doi.org/10.3133/ofr75312.","productDescription":"viii, 87 p.","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":346,"text":"Indiana Water Science Center","active":true,"usgs":true}],"links":[{"id":145968,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1975/0312/report-thumb.jpg"},{"id":391894,"rank":2,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_15147.htm"},{"id":393663,"rank":3,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1975/0312/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States","state":"Indiana","county":"Marion County","geographicExtents":"{\"type\":\"FeatureCollection\",\"features\":[{\"type\":\"Feature\",\"geometry\":{\"type\":\"Polygon\",\"coordinates\":[[[-85.9369,39.9272],[-85.9379,39.87],[-85.9541,39.8696],[-85.9518,39.6969],[-85.9523,39.638],[-86.248,39.6335],[-86.3268,39.6318],[-86.3281,39.8526],[-86.328,39.8662],[-86.325,39.8662],[-86.3267,39.9238],[-86.2967,39.9246],[-86.2757,39.925],[-86.2385,39.9259],[-85.9801,39.9269],[-85.9411,39.9272],[-85.9369,39.9272]]]},\"properties\":{\"name\":\"Marion\",\"state\":\"IN\"}}]}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4aa9e4b07f02db667f8f","contributors":{"authors":[{"text":"Meyer, William R.","contributorId":73618,"corporation":false,"usgs":true,"family":"Meyer","given":"William","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":170320,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Reussow, J. P.","contributorId":58651,"corporation":false,"usgs":true,"family":"Reussow","given":"J.","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":170319,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Gillies, D. C.","contributorId":53809,"corporation":false,"usgs":true,"family":"Gillies","given":"D.","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":170318,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Shampine, W. J.","contributorId":16023,"corporation":false,"usgs":true,"family":"Shampine","given":"W. J.","affiliations":[],"preferred":false,"id":170317,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":13044,"text":"ofr75128 - 1975 - Geological Survey and selected U.S. Bureau of Mines and Alaska Division of Geological and Geophysical Surveys reports and maps on Alaska released during 1974, indexed by quadrangle","interactions":[],"lastModifiedDate":"2023-07-21T14:43:14.832749","indexId":"ofr75128","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":"75-128","title":"Geological Survey and selected U.S. Bureau of Mines and Alaska Division of Geological and Geophysical Surveys reports and maps on Alaska released during 1974, indexed by quadrangle","docAbstract":"

All Geological Survey reports and maps on Alaska published or released to open files during 1974 are listed by the quadrangle (scale 1:250,000) into which Alaska has been divided for topographic mapping (p. 2). Also listed are U.S. Bureau of Mines reports on the geology and mineral resources of Alaska, but not those dealing exclusively with other subjects such as economics. Alaska Division of Geological and Geophysical Surveys published reports on geology and mineral resources are listed, but those released to open files are not. This is because all open-file reports and maps were withdrawn in 1974 for revision, consolidation, or assignment of new identification numbers before possible reissue. At the time of preparation of this index I had received so few newly released open-file reports that I felt that including any of them might cause confusion to potential users because of possible duplication of titles or numbers.

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