{"pageNumber":"6294","pageRowStart":"157325","pageSize":"25","recordCount":184937,"records":[{"id":13848,"text":"ofr72135 - 1972 - Heavy-minerals reconnaissance in the Fatimah Formation, near Jiddah, Saudi Arabia","interactions":[],"lastModifiedDate":"2012-02-02T00:06:49","indexId":"ofr72135","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1972","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":"72-135","title":"Heavy-minerals reconnaissance in the Fatimah Formation, near Jiddah, Saudi Arabia","docAbstract":"Near Jiddah, Saudi Arabia, a heavy-minerals survey was made in the Precambrian sediments o# the Fatima Formation. Samples measuring 0.25 cubic meters were taken in a net related to the drainage system and. washed in a sluice. The concentrates were tested. for 29 elements which included precious and. base metals, rare earths, and. radioactive elements. Only 17 elements were detected in the samples and all values were normal. The concentrates contained only common species o# heavy density resistate minerals. The survey showed that the area is not a favorable one in which to search for ores of the elements tested.","language":"ENGLISH","publisher":"U.S. Geological Survey],","doi":"10.3133/ofr72135","usgsCitation":"Gonzalez, L., 1972, Heavy-minerals reconnaissance in the Fatimah Formation, near Jiddah, Saudi Arabia: U.S. Geological Survey Open-File Report 72-135, i, 5 leaves :2 folded col. maps ;27 cm., https://doi.org/10.3133/ofr72135.","productDescription":"i, 5 leaves :2 folded col. maps ;27 cm.","costCenters":[],"links":[{"id":145881,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1972/0135/report-thumb.jpg"},{"id":42453,"rank":400,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1972/0135/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":42454,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1972/0135/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a69e4b07f02db63c681","contributors":{"authors":[{"text":"Gonzalez, Louis","contributorId":36936,"corporation":false,"usgs":true,"family":"Gonzalez","given":"Louis","email":"","affiliations":[],"preferred":false,"id":168499,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":13841,"text":"ofr72134 - 1972 - Report on field work in the Mahd adh Dhahab area, Saudi Arabia, February 29 to April 13, 1964","interactions":[],"lastModifiedDate":"2012-02-02T00:06:49","indexId":"ofr72134","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1972","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":"72-134","title":"Report on field work in the Mahd adh Dhahab area, Saudi Arabia, February 29 to April 13, 1964","language":"ENGLISH","publisher":"U.S. Geological Survey],","doi":"10.3133/ofr72134","usgsCitation":"Goldsmith, R., and Kouther, J., 1972, Report on field work in the Mahd adh Dhahab area, Saudi Arabia, February 29 to April 13, 1964: U.S. Geological Survey Open-File Report 72-134, i, 9 leaves ;27 cm., https://doi.org/10.3133/ofr72134.","productDescription":"i, 9 leaves ;27 cm.","costCenters":[],"links":[{"id":146118,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a59e4b07f02db62fd18","contributors":{"authors":[{"text":"Goldsmith, Richard","contributorId":33283,"corporation":false,"usgs":true,"family":"Goldsmith","given":"Richard","email":"","affiliations":[],"preferred":false,"id":168487,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Kouther, Jameel","contributorId":86776,"corporation":false,"usgs":true,"family":"Kouther","given":"Jameel","email":"","affiliations":[],"preferred":false,"id":168488,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":38937,"text":"pp437C - 1972 - Prehistoric near-surface subsidence cracks in western Fresno County, California","interactions":[],"lastModifiedDate":"2012-02-02T00:10:17","indexId":"pp437C","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1972","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":331,"text":"Professional Paper","code":"PP","onlineIssn":"2330-7102","printIssn":"1044-9612","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"437","chapter":"C","title":"Prehistoric near-surface subsidence cracks in western Fresno County, California","language":"ENGLISH","doi":"10.3133/pp437C","usgsCitation":"Bull, W., 1972, Prehistoric near-surface subsidence cracks in western Fresno County, California: U.S. Geological Survey Professional Paper 437, 84 p., https://doi.org/10.3133/pp437C.","productDescription":"84 p.","costCenters":[],"links":[{"id":122003,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/pp/0437c/report-thumb.jpg"},{"id":65980,"rank":400,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/pp/0437c/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":65981,"rank":401,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/pp/0437c/plate-2.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":65982,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/pp/0437c/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4acce4b07f02db67e79c","contributors":{"authors":[{"text":"Bull, W.B.","contributorId":96731,"corporation":false,"usgs":true,"family":"Bull","given":"W.B.","email":"","affiliations":[],"preferred":false,"id":220696,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":38923,"text":"pp456D - 1972 - Early and Middle Cambrian trilobites from Antarctica","interactions":[],"lastModifiedDate":"2012-02-02T00:10:17","indexId":"pp456D","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1972","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":331,"text":"Professional Paper","code":"PP","onlineIssn":"2330-7102","printIssn":"1044-9612","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"456","chapter":"D","title":"Early and Middle Cambrian trilobites from Antarctica","largerWorkType":{"id":18,"text":"Report"},"largerWorkTitle":"Contributions to the geology of Antarctica","largerWorkSubtype":{"id":5,"text":"USGS Numbered Series"},"language":"ENGLISH","doi":"10.3133/pp456D","usgsCitation":"Palmer, A.R., and Gatehouse, C., 1972, Early and Middle Cambrian trilobites from Antarctica: U.S. Geological Survey Professional Paper 456, 36 p., https://doi.org/10.3133/pp456D.","productDescription":"36 p.","costCenters":[],"links":[{"id":122320,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/pp/0456d/report-thumb.jpg"},{"id":65969,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/pp/0456d/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a54e4b07f02db62c2bb","contributors":{"authors":[{"text":"Palmer, A. R.","contributorId":41819,"corporation":false,"usgs":true,"family":"Palmer","given":"A.","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":220672,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Gatehouse, C.G.","contributorId":87812,"corporation":false,"usgs":true,"family":"Gatehouse","given":"C.G.","email":"","affiliations":[],"preferred":false,"id":220673,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":38834,"text":"pp529J - 1972 - Atlantic continental shelf and slope of the United States: Petrology of the sand fraction of sediments, northern New Jersey to southern Florida","interactions":[],"lastModifiedDate":"2024-06-13T21:27:34.929103","indexId":"pp529J","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1972","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":331,"text":"Professional Paper","code":"PP","onlineIssn":"2330-7102","printIssn":"1044-9612","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"529","chapter":"J","title":"Atlantic continental shelf and slope of the United States: Petrology of the sand fraction of sediments, northern New Jersey to southern Florida","docAbstract":"<p>No abstract available.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/pp529J","usgsCitation":"Milliman, J., 1972, Atlantic continental shelf and slope of the United States: Petrology of the sand fraction of sediments, northern New Jersey to southern Florida: U.S. Geological Survey Professional Paper 529, Report: iv, 39 p.; 9 Plates: 29.09 x 54.21 inches or smaller, https://doi.org/10.3133/pp529J.","productDescription":"Report: iv, 39 p.; 9 Plates: 29.09 x 54.21 inches or smaller","costCenters":[],"links":[{"id":65776,"rank":8,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/pp/0529j/plate-6.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":65771,"rank":3,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/pp/0529j/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":104496,"rank":12,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_4571.htm","linkFileType":{"id":5,"text":"html"},"description":"4571"},{"id":247694,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/pp/0529j/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":65779,"rank":11,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/pp/0529j/plate-9.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":65778,"rank":10,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/pp/0529j/plate-8.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":65777,"rank":9,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/pp/0529j/plate-7.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":65775,"rank":7,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/pp/0529j/plate-5.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":65774,"rank":6,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/pp/0529j/plate-4.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":65773,"rank":5,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/pp/0529j/plate-3.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":65772,"rank":4,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/pp/0529j/plate-2.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":252063,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/pp/0529j/report-thumb.jpg"}],"country":"United States","otherGeospatial":"Atlantic Continental Shelf","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -80.80621731434685,\n              25.174271179685192\n            ],\n            [\n              -76.25095790192988,\n              25.404399980639084\n            ],\n            [\n              -66.04075844768059,\n              40.61336147270407\n            ],\n            [\n              -74.23971394514635,\n              40.495639697570965\n            ],\n            [\n              -76.17815008058241,\n              39.4762907645854\n            ],\n            [\n              -77.97059682352847,\n              35.775827948816485\n            ],\n            [\n              -81.8329241214873,\n              31.756254250207988\n            ],\n            [\n              -80.80621731434685,\n              25.174271179685192\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4aabe4b07f02db669c9d","contributors":{"authors":[{"text":"Milliman, John D.","contributorId":76735,"corporation":false,"usgs":false,"family":"Milliman","given":"John D.","affiliations":[{"id":6706,"text":"Woods Hole Oceanographic Institution,","active":true,"usgs":false}],"preferred":false,"id":220513,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":38805,"text":"pp569C - 1972 - Hydrologic significance of lithofacies of the Cane River Formation or equivalents of Arkansas, Louisiana, Mississippi, and Texas","interactions":[],"lastModifiedDate":"2025-04-15T19:06:17.1923","indexId":"pp569C","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1972","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":331,"text":"Professional Paper","code":"PP","onlineIssn":"2330-7102","printIssn":"1044-9612","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"569","chapter":"C","title":"Hydrologic significance of lithofacies of the Cane River Formation or equivalents of Arkansas, Louisiana, Mississippi, and Texas","docAbstract":"<p>No abstract available.</p>","largerWorkType":{"id":18,"text":"Report"},"largerWorkTitle":"Geohydrology of the Claiborne Group (Professional Paper 569)","largerWorkSubtype":{"id":5,"text":"USGS Numbered Series"},"language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/pp569C","usgsCitation":"Payne, J., 1972, Hydrologic significance of lithofacies of the Cane River Formation or equivalents of Arkansas, Louisiana, Mississippi, and Texas: U.S. Geological Survey Professional Paper 569, Report: 16 p.; 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,{"id":64038,"text":"gp841 - 1972 - Aeromagnetic map of part of the Elk City 1° by 2° quadrangle, Idaho-Montana","interactions":[],"lastModifiedDate":"2025-07-09T16:30:32.487774","indexId":"gp841","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1972","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":317,"text":"Geophysical Investigations Map","code":"GP","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"841","title":"Aeromagnetic map of part of the Elk City 1° by 2° quadrangle, Idaho-Montana","docAbstract":"<p>No abstract available.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/gp841","usgsCitation":"Water Resources Division, U.S. Geological Survey, 1972, Aeromagnetic map of part of the Elk City 1° by 2° quadrangle, Idaho-Montana: U.S. Geological Survey Geophysical Investigations Map 841, 1 Plate: 25.86 × 17.38 inches, https://doi.org/10.3133/gp841.","productDescription":"1 Plate: 25.86 × 17.38 inches","costCenters":[],"links":[{"id":394928,"rank":2,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_6194.htm"},{"id":250475,"rank":3,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/gp/0841/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":250476,"rank":4,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/gp/0841/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":253968,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/gp/0841/report-thumb.jpg"}],"scale":"250000","country":"United States","state":"Idaho, Montana","otherGeospatial":"Elk City 1° by 2° quadrangle","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -116,45 ], [ -116,45.75 ], [ -114.416667,45.75 ], [ -114.416667,45 ], [ -116,45 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4affe4b07f02db697ad0","contributors":{"authors":[{"text":"Water Resources Division, U.S. Geological Survey","contributorId":128075,"corporation":true,"usgs":false,"organization":"Water Resources Division, U.S. Geological Survey","id":533507,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":38772,"text":"pp585D - 1972 - Vegetation of prairie potholes, North Dakota, in relation to quality of water and other environmental factors","interactions":[],"lastModifiedDate":"2018-03-16T14:06:00","indexId":"pp585D","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1972","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":331,"text":"Professional Paper","code":"PP","onlineIssn":"2330-7102","printIssn":"1044-9612","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"585","chapter":"D","title":"Vegetation of prairie potholes, North Dakota, in relation to quality of water and other environmental factors","docAbstract":"<p>Measurements of specific conductance provide an adequate indication of the average salinity of surface waters in natural ponds and lakes of the northern .prairie region. Yearly and seasonal variations in specific conductance were much greater in brackish and subsaline wetlands than in fresh-water areas. The principal vegetational types. Land-use practices of varying brackish to saline wetlands were sulfates and chlorides of sodium and magnesium. In less saline waters, carbonate and bicarbonate salts of calcium and potassium were of greater importance, but as salinity increased, the proportion of these compounds decreased rapidly.</p><p>A major environmental factor controlling the establishment of marsh and aquatic vegetation is the permanence of surface water. Permanence is a measure of the extent to which surface water persists at a given site. Varying degrees of water permanence during the growing season led to the establishment of distinct vegetational types, which were differentiated primarily on the 'basis of community structure or life form of the dominant vegetation.</p><p>Salinity of surface waters was closely correlated with differences in species composition of plant communities found in the principal vegetational types. Land-use practices of varying degrees of intensity also had a secondary influence on species composition. Since an unstable water chemistry is characteristic of most prairie ponds and lakes, it is more reliable to use the plant communities as indicators of average salinity than to use single measurements of specific conductance.</p><p>Characteristic species of wetland vegetational types occupied the central deeper parts of pond and lake basins or occurred as concentric peripheral bands. The wetland vegetational types are wetland low-prairie, wet-meadow, shallow-marsh emergent, deep-marsh emergent, fen emergent, submerged and floating, natural drawdown, cropland drawdown, and cropland tillage vegetation. Combinations of species (plant associations) within these vegetational types were placed in one of six salinity categories designated as fresh, slightly brackish, moderately brackish, brackish, subsaline, and saline. Salt tolerance apparently varied greatly among the various marsh and aquatic plants since the num'ber of species represented in moderately brackish&nbsp;to saline communities decreased markedly with increased salinity of the surface water environment. </p>","largerWorkType":{"id":18,"text":"Report"},"largerWorkTitle":"Hydrology of prairie potholes in North Dakota","largerWorkSubtype":{"id":5,"text":"USGS Numbered Series"},"language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/pp585D","usgsCitation":"Stewart, R.E., and Kantrud, H., 1972, Vegetation of prairie potholes, North Dakota, in relation to quality of water and other environmental factors: U.S. Geological Survey Professional Paper 585, 35 p., https://doi.org/10.3133/pp585D.","productDescription":"35 p.","costCenters":[{"id":478,"text":"North Dakota Water Science Center","active":true,"usgs":true},{"id":480,"text":"Northern Prairie Wildlife Research Center","active":true,"usgs":true},{"id":34685,"text":"Dakota Water Science Center","active":true,"usgs":true}],"links":[{"id":22019,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/pp/0585d/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":170479,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/pp/0585d/report-thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a14e4b07f02db6025cb","contributors":{"authors":[{"text":"Stewart, R. E.","contributorId":93426,"corporation":false,"usgs":true,"family":"Stewart","given":"R.","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":220427,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Kantrud, H.A.","contributorId":28553,"corporation":false,"usgs":true,"family":"Kantrud","given":"H.A.","email":"","affiliations":[],"preferred":false,"id":220426,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":38771,"text":"pp585C - 1972 - Ground-water hydrology of prairie potholes in North Dakota","interactions":[],"lastModifiedDate":"2018-03-16T14:10:14","indexId":"pp585C","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1972","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":331,"text":"Professional Paper","code":"PP","onlineIssn":"2330-7102","printIssn":"1044-9612","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"585","chapter":"C","title":"Ground-water hydrology of prairie potholes in North Dakota","docAbstract":"<p>Prairie potholes (sloughs) are water-holding depressions of glacial origin in the prairies of the Northern United States and southern Canada. Water is supplied to the potholes by precipitation on the water surface, basin runoff, and seepage inflow of ground water. Depleticn of pothole water results from evapotranspiration, overflow, and seepage outflow. Since potholes generally do not overflow, seepage outflow is the principal way in which dissolved salts can be removed. Salinity of pothole water is therefore a good indication of the seepage balance. Net seepage outflow results in fresh to brackish waters that constitute ephemeral to semipermanent ponds, whereas net seepage inflow results in brackish to saline waters that constitute semipermanent to permanent ponds. </p><p>Because the water table in the glacial deposits is continuous with the water surface in prairie potholes, the watertable gradient is adjusted to the water-surface elevation of the potholes. In cross section the water table is represented by a nearly straight line which connects potholes. The configuration of the water table around a pothole determines the direction of ground-water flow with respect to the pothole. Ground water flows toward the pothole if the adjacent water table is higher than the pothole water surface and flows away from the pothole if the adjacent water table is lower than the pothole water surface. </p><p>Prairie potholes were studied in North Dakota on the Coteau du Missouri, an area of stagnation moraine. About 90 percent of the glacial drift on the Coteau du Missouri is glacial till, and the remainder is largely glacial outwash and lake sediments. Ground-water movement in glacial till is controlled by its lithology and structure. This till, being a poorly sorted, largely unstratified mixture of clay, silt, sand, and gravel, is not highly permeable, so ground water moves most readily along the joints. Because joints in glacial till are most numerous near the land surface (owing to weathering effects), the most active ground-water flow systems are shallow and localized in the vicinity of potholes. As a result, local ground-water flow systems have a noticeable effect on pothole hydrology, particularly the salinity</p>","largerWorkType":{"id":18,"text":"Report"},"largerWorkTitle":"Hydrology of prairie potholes in North Dakota","largerWorkSubtype":{"id":5,"text":"USGS Numbered Series"},"language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/pp585C","usgsCitation":"Sloan, C.E., 1972, Ground-water hydrology of prairie potholes in North Dakota: U.S. Geological Survey Professional Paper 585, Report: vi, 28 p.; 2 Plates, https://doi.org/10.3133/pp585C.","productDescription":"Report: vi, 28 p.; 2 Plates","costCenters":[{"id":478,"text":"North Dakota Water Science Center","active":true,"usgs":true},{"id":34685,"text":"Dakota Water Science Center","active":true,"usgs":true}],"links":[{"id":65643,"rank":400,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/pp/0585c/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":65644,"rank":401,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/pp/0585c/plate-2.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":65645,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/pp/0585c/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":104523,"rank":700,"type":{"id":15,"text":"Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_4627.htm","linkFileType":{"id":5,"text":"html"},"description":"4627"},{"id":120412,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/pp/0585c/report-thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ab0e4b07f02db66dbf8","contributors":{"authors":[{"text":"Sloan, C. E.","contributorId":59037,"corporation":false,"usgs":true,"family":"Sloan","given":"C.","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":220425,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":59244,"text":"mf370 - 1972 - Metallic mineral resources map of the Talkeetna Mountains Quadrangle, Alaska","interactions":[{"subject":{"id":13095,"text":"ofr6951 - 1969 - Metallic mineral resources map of the Talkeetna Mountains Quadrangle, Alaska","indexId":"ofr6951","publicationYear":"1969","noYear":false,"title":"Metallic mineral resources map of the Talkeetna Mountains Quadrangle, Alaska"},"predicate":"SUPERSEDED_BY","object":{"id":59244,"text":"mf370 - 1972 - Metallic mineral resources map of the Talkeetna Mountains Quadrangle, Alaska","indexId":"mf370","publicationYear":"1972","noYear":false,"title":"Metallic mineral resources map of the Talkeetna Mountains Quadrangle, Alaska"},"id":1}],"lastModifiedDate":"2012-02-10T00:10:13","indexId":"mf370","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1972","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":325,"text":"Miscellaneous Field Studies Map","code":"MF","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"370","title":"Metallic mineral resources map of the Talkeetna Mountains Quadrangle, Alaska","language":"ENGLISH","doi":"10.3133/mf370","usgsCitation":"Cobb, E.H., 1972, Metallic mineral resources map of the Talkeetna Mountains Quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map 370, 1 map., https://doi.org/10.3133/mf370.","productDescription":"1 map.","costCenters":[],"links":[{"id":111259,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://www.dggs.dnr.state.ak.us/pubs/id/13160","linkFileType":{"id":5,"text":"html"}},{"id":184774,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"scale":"0","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -150,62 ], [ -150,63 ], [ -147,63 ], [ -147,62 ], [ -150,62 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a4fe4b07f02db628551","contributors":{"authors":[{"text":"Cobb, E. H.","contributorId":71971,"corporation":false,"usgs":true,"family":"Cobb","given":"E.","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":261640,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":38754,"text":"pp599J - 1972 - The contributions of Ranger photographs to understanding the geology of the Moon","interactions":[],"lastModifiedDate":"2012-02-02T00:09:54","indexId":"pp599J","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1972","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":331,"text":"Professional Paper","code":"PP","onlineIssn":"2330-7102","printIssn":"1044-9612","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"599","chapter":"J","title":"The contributions of Ranger photographs to understanding the geology of the Moon","language":"ENGLISH","doi":"10.3133/pp599J","usgsCitation":"Trask, N., 1972, The contributions of Ranger photographs to understanding the geology of the Moon: U.S. Geological Survey Professional Paper 599, 15 p., https://doi.org/10.3133/pp599J.","productDescription":"15 p.","costCenters":[],"links":[{"id":122133,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/pp/0599j/report-thumb.jpg"},{"id":65620,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/pp/0599j/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4aaae4b07f02db668984","contributors":{"authors":[{"text":"Trask, N.J.","contributorId":31729,"corporation":false,"usgs":true,"family":"Trask","given":"N.J.","email":"","affiliations":[],"preferred":false,"id":220397,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":35029,"text":"b1331D - 1972 - Stratigraphy of the Glenns Ferry Formation from Hammett to Hagerman, Idaho","interactions":[],"lastModifiedDate":"2012-02-02T00:09:49","indexId":"b1331D","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1972","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":306,"text":"Bulletin","code":"B","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"1331","chapter":"D","title":"Stratigraphy of the Glenns Ferry Formation from Hammett to Hagerman, Idaho","language":"ENGLISH","publisher":"U.S. Govt. Print. Off.,","doi":"10.3133/b1331D","usgsCitation":"Malde, H.E., 1972, Stratigraphy of the Glenns Ferry Formation from Hammett to Hagerman, Idaho: U.S. Geological Survey Bulletin 1331, iii, 19 p. :illus., 2 fold. plates (in pocket) ;24 cm., https://doi.org/10.3133/b1331D.","productDescription":"iii, 19 p. :illus., 2 fold. plates (in pocket) ;24 cm.","costCenters":[],"links":[{"id":109700,"rank":700,"type":{"id":15,"text":"Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_21439.htm","linkFileType":{"id":5,"text":"html"},"description":"21439"},{"id":165257,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/bul/1331d/report-thumb.jpg"},{"id":62967,"rank":400,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/bul/1331d/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":62968,"rank":401,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/bul/1331d/plate-2.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":62969,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/bul/1331d/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b17e4b07f02db6a60f9","contributors":{"authors":[{"text":"Malde, Harold E.","contributorId":45706,"corporation":false,"usgs":true,"family":"Malde","given":"Harold","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":214007,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":59217,"text":"mf380 - 1972 - Metallic mineral resources map of the Middleton Island Quadrangle, Alaska","interactions":[],"lastModifiedDate":"2016-08-22T10:20:19","indexId":"mf380","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1972","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":325,"text":"Miscellaneous Field Studies Map","code":"MF","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"380","title":"Metallic mineral resources map of the Middleton Island Quadrangle, Alaska","docAbstract":"<p>No abstract available.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/mf380","usgsCitation":"1972, Metallic mineral resources map of the Middleton Island Quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map 380, 34.37 x 23.20 inches, https://doi.org/10.3133/mf380.","productDescription":"34.37 x 23.20 inches","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":182835,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/mf380.JPG"},{"id":327204,"rank":101,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/mf/0380/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":111269,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://www.dggs.dnr.state.ak.us/pubs/id/13170","linkFileType":{"id":5,"text":"html"}}],"scale":"250000","country":"United States","state":"Alaska","otherGeospatial":"Middleton Island","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -147,59 ], [ -147,60 ], [ -144,60 ], [ -144,59 ], [ -147,59 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a4de4b07f02db62763c","contributors":{"compilers":[{"text":"Cobb, Edward H.","contributorId":64689,"corporation":false,"usgs":true,"family":"Cobb","given":"Edward H.","affiliations":[],"preferred":false,"id":643085,"contributorType":{"id":3,"text":"Compilers"},"rank":1}]}}
,{"id":59202,"text":"mf376 - 1972 - Metallic mineral resources map of the Holy Cross Quadrangle, Alaska","interactions":[],"lastModifiedDate":"2012-02-10T00:10:27","indexId":"mf376","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1972","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":325,"text":"Miscellaneous Field Studies Map","code":"MF","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"376","title":"Metallic mineral resources map of the Holy Cross Quadrangle, Alaska","language":"ENGLISH","doi":"10.3133/mf376","usgsCitation":"Cobb, E.H., 1972, Metallic mineral resources map of the Holy Cross Quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map 376, 1 map., https://doi.org/10.3133/mf376.","productDescription":"1 map.","costCenters":[],"links":[{"id":111265,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://www.dggs.dnr.state.ak.us/pubs/id/13166","linkFileType":{"id":5,"text":"html"}},{"id":183556,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"scale":"0","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -162,62 ], [ -162,63 ], [ -159,63 ], [ -159,62 ], [ -162,62 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a4de4b07f02db6274da","contributors":{"authors":[{"text":"Cobb, E. H.","contributorId":71971,"corporation":false,"usgs":true,"family":"Cobb","given":"E.","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":261597,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":37206,"text":"rp108 - 1972 - Review of literature on the endangered masked bobwhite","interactions":[],"lastModifiedDate":"2016-11-09T13:20:14","indexId":"rp108","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1972","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":1,"text":"Federal Government Series"},"seriesTitle":{"id":79,"text":"Resource Publication","active":false,"publicationSubtype":{"id":1}},"seriesNumber":"108","title":"Review of literature on the endangered masked bobwhite","docAbstract":"<p><span>The masked bobwhite (Colinus virginianus ridgwayi) once inhabited restricted areas in southern Arizona and middle Sonora, Mexico. It probably never was a widespread and abundant bird. Ornithologists discovered this race in 1884, presumably during its final decline in Arizona due to overgrazing and a series of droughts. . It was gone from Arizona by 1900. Apparently the bird was not seriously threatened in Sonora until the 1940's when the cattle industry increased there. Only small and scattered populations remain in Sonora today. Although behavior of the masked bobwhite is similar to that of the closely-related eastern bobwhite (C. v. virginianus), the desert variety prefers a mesquite-grassland habitat at elevations of from 1,000 to 4,000 feet, has a later and shorter nesting season, and has more striking sexual plumage. The male's black head and 'robin's red' breast readily identify the bird. Average annual precipitation in the heart of its Sonoran habitat is 13.5 inches, with 75 percent of that occurring during the 3-month period of July through September. Foods consist of small weed and grass seeds, supplemented with invertebrates and green vegetational growth during the summer rainy season. Early attempts at reintroduction of masked bobwhites into Arizona failed. Experiments on propagation and reestablishment and a life history study are currently being carried out by the Bureau of Sport Fisheries and Wildlife in cooperation with the Arizona Fish and Game Department.</span></p>","language":"English","publisher":"U.S. Fish and Wildlife Service","usgsCitation":"Tomlinson, R.E., 1972, Review of literature on the endangered masked bobwhite: Resource Publication 108, iv, 28 p.","productDescription":"iv, 28 p.","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":164899,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a17e4b07f02db60400f","contributors":{"authors":[{"text":"Tomlinson, Roy E.","contributorId":67137,"corporation":false,"usgs":true,"family":"Tomlinson","given":"Roy","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":217663,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":37207,"text":"rp109 - 1972 - Characteristics of the black-footed ferret","interactions":[],"lastModifiedDate":"2016-11-09T13:25:03","indexId":"rp109","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1972","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":1,"text":"Federal Government Series"},"seriesTitle":{"id":79,"text":"Resource Publication","active":false,"publicationSubtype":{"id":1}},"seriesNumber":"109","title":"Characteristics of the black-footed ferret","docAbstract":"<p>No abstract available.&nbsp;</p>","language":"English","publisher":"U.S. Fish and Wildlife Service","usgsCitation":"Fortenbery, D.K., 1972, Characteristics of the black-footed ferret: Resource Publication 109, 8 p.","productDescription":"8 p.","costCenters":[],"links":[{"id":164900,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49e2e4b07f02db5e4f55","contributors":{"authors":[{"text":"Fortenbery, Donald K.","contributorId":79762,"corporation":false,"usgs":true,"family":"Fortenbery","given":"Donald","email":"","middleInitial":"K.","affiliations":[],"preferred":false,"id":217664,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":59213,"text":"mf413 - 1972 - Metallic mineral resources map of the Livengood Quadrangle, Alaska","interactions":[{"subject":{"id":13076,"text":"ofr6758 - 1967 - Metallic mineral resources map of the Livengood Quadrangle, Alaska","indexId":"ofr6758","publicationYear":"1967","noYear":false,"title":"Metallic mineral resources map of the Livengood Quadrangle, Alaska"},"predicate":"SUPERSEDED_BY","object":{"id":59213,"text":"mf413 - 1972 - Metallic mineral resources map of the Livengood Quadrangle, Alaska","indexId":"mf413","publicationYear":"1972","noYear":false,"title":"Metallic mineral resources map of the Livengood Quadrangle, Alaska"},"id":1}],"lastModifiedDate":"2012-02-10T00:10:23","indexId":"mf413","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1972","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":325,"text":"Miscellaneous Field Studies Map","code":"MF","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"413","title":"Metallic mineral resources map of the Livengood Quadrangle, Alaska","language":"ENGLISH","doi":"10.3133/mf413","usgsCitation":"Cobb, E.H., 1972, Metallic mineral resources map of the Livengood Quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map 413, 1 map on 2 sheets., https://doi.org/10.3133/mf413.","productDescription":"1 map on 2 sheets.","costCenters":[],"links":[{"id":111297,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://www.dggs.dnr.state.ak.us/pubs/id/13197","linkFileType":{"id":5,"text":"html"}},{"id":182831,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"scale":"0","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -150,65 ], [ -150,66 ], [ -147,66 ], [ -147,65 ], [ -150,65 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a0be4b07f02db5fbf51","contributors":{"authors":[{"text":"Cobb, E. H.","contributorId":71971,"corporation":false,"usgs":true,"family":"Cobb","given":"E.","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":261608,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":59239,"text":"mf368 - 1972 - Metallic mineral resources map of the Sleetmute Quadrangle, Alaska","interactions":[{"subject":{"id":13092,"text":"ofr6950 - 1969 - Metallic mineral resources map of the Sleetmute Quadrangle, Alaska","indexId":"ofr6950","publicationYear":"1969","noYear":false,"title":"Metallic mineral resources map of the Sleetmute Quadrangle, Alaska"},"predicate":"SUPERSEDED_BY","object":{"id":59239,"text":"mf368 - 1972 - Metallic mineral resources map of the Sleetmute Quadrangle, Alaska","indexId":"mf368","publicationYear":"1972","noYear":false,"title":"Metallic mineral resources map of the Sleetmute Quadrangle, Alaska"},"id":1}],"lastModifiedDate":"2012-02-10T00:10:13","indexId":"mf368","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1972","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":325,"text":"Miscellaneous Field Studies Map","code":"MF","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"368","title":"Metallic mineral resources map of the Sleetmute Quadrangle, Alaska","language":"ENGLISH","doi":"10.3133/mf368","usgsCitation":"Cobb, E.H., 1972, Metallic mineral resources map of the Sleetmute Quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map 368, 1 map., https://doi.org/10.3133/mf368.","productDescription":"1 map.","costCenters":[],"links":[{"id":104104,"rank":700,"type":{"id":15,"text":"Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_2789.htm","linkFileType":{"id":5,"text":"html"},"description":"2789"},{"id":184662,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"scale":"0","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -159,61 ], [ -159,62 ], [ -156,62 ], [ -156,61 ], [ -159,61 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a4fe4b07f02db628506","contributors":{"authors":[{"text":"Cobb, E. H.","contributorId":71971,"corporation":false,"usgs":true,"family":"Cobb","given":"E.","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":261635,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":59189,"text":"mf390 - 1972 - Metallic mineral resources map of the Charley River Quadrangle, Alaska","interactions":[{"subject":{"id":18497,"text":"ofr6753 - 1967 - Metallic mineral resources map of the Charley River Quadrangle, Alaska","indexId":"ofr6753","publicationYear":"1967","noYear":false,"title":"Metallic mineral resources map of the Charley River Quadrangle, Alaska"},"predicate":"SUPERSEDED_BY","object":{"id":59189,"text":"mf390 - 1972 - Metallic mineral resources map of the Charley River Quadrangle, Alaska","indexId":"mf390","publicationYear":"1972","noYear":false,"title":"Metallic mineral resources map of the Charley River Quadrangle, Alaska"},"id":1}],"lastModifiedDate":"2023-03-21T17:24:40.01156","indexId":"mf390","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1972","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":325,"text":"Miscellaneous Field Studies Map","code":"MF","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"390","title":"Metallic mineral resources map of the Charley River Quadrangle, Alaska","docAbstract":"<p>No abstract available.&nbsp;</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/mf390","usgsCitation":"Cobb, E., 1972, Metallic mineral resources map of the Charley River Quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map 390, 1 Plate: 35.10 x 22.41 inches, https://doi.org/10.3133/mf390.","productDescription":"1 Plate: 35.10 x 22.41 inches","costCenters":[],"links":[{"id":414460,"rank":2,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/mf/0390/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":182520,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/mf/0390/report-thumb.jpg"}],"scale":"250000","country":"United States","state":"Alaska","otherGeospatial":"Charley River Quadrangle","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -144,65 ], [ -144,66 ], [ -141,66 ], [ -141,65 ], [ -144,65 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a4de4b07f02db6273d2","contributors":{"authors":[{"text":"Cobb, Edward H.","contributorId":64689,"corporation":false,"usgs":true,"family":"Cobb","given":"Edward H.","affiliations":[],"preferred":false,"id":261583,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":46828,"text":"ofr7288 - 1972 - Geologic map of Tertiary and uppermost Cretaceous rocks showing structure contours, oil and gas fields, dry holes, and mines in the southern part of Powder River basin, Converse, Niobrara, and Natrona Counties, Wyoming","interactions":[{"subject":{"id":46828,"text":"ofr7288 - 1972 - Geologic map of Tertiary and uppermost Cretaceous rocks showing structure contours, oil and gas fields, dry holes, and mines in the southern part of Powder River basin, Converse, Niobrara, and Natrona Counties, Wyoming","indexId":"ofr7288","publicationYear":"1972","noYear":false,"title":"Geologic map of Tertiary and uppermost Cretaceous rocks showing structure contours, oil and gas fields, dry holes, and mines in the southern part of Powder River basin, Converse, Niobrara, and Natrona Counties, Wyoming"},"predicate":"SUPERSEDED_BY","object":{"id":65031,"text":"i877 - 1975 - Geologic and structure map of the southern part of the Powder River basin, Converse, Niobrara, and Natrona counties, Wyoming","indexId":"i877","publicationYear":"1975","noYear":false,"title":"Geologic and structure map of the southern part of the Powder River basin, Converse, Niobrara, and Natrona counties, Wyoming"},"id":1}],"supersededBy":{"id":65031,"text":"i877 - 1975 - Geologic and structure map of the southern part of the Powder River basin, Converse, Niobrara, and Natrona counties, Wyoming","indexId":"i877","publicationYear":"1975","noYear":false,"title":"Geologic and structure map of the southern part of the Powder River basin, Converse, Niobrara, and Natrona counties, Wyoming"},"lastModifiedDate":"2022-04-21T20:47:52.367528","indexId":"ofr7288","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1972","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":"72-88","title":"Geologic map of Tertiary and uppermost Cretaceous rocks showing structure contours, oil and gas fields, dry holes, and mines in the southern part of Powder River basin, Converse, Niobrara, and Natrona Counties, Wyoming","docAbstract":"<p>No abstract available.&nbsp;</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr7288","usgsCitation":"Denson, N., and Horn, G.H., 1972, Geologic map of Tertiary and uppermost Cretaceous rocks showing structure contours, oil and gas fields, dry holes, and mines in the southern part of Powder River basin, Converse, Niobrara, and Natrona Counties, Wyoming: U.S. Geological Survey Open-File Report 72-88, 2 Plates: 75.61 x 36.00 inches and 36.75 x 25.01 inches, https://doi.org/10.3133/ofr7288.","productDescription":"2 Plates: 75.61 x 36.00 inches and 36.75 x 25.01 inches","costCenters":[],"links":[{"id":399464,"rank":3,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1972/0088/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":399463,"rank":2,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1972/0088/plate-2.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":134705,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1972/0088/report-thumb.jpg"}],"scale":"26720","country":"United States","state":"Wyoming","county":"Converse County, Natrona County, Niobrara County","otherGeospatial":"Powder River basin","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -107.51220703125,\n              42.415346114253616\n            ],\n            [\n              -104.051513671875,\n              42.415346114253616\n            ],\n            [\n              -104.051513671875,\n              43.42100882994726\n            ],\n            [\n              -107.51220703125,\n              43.42100882994726\n            ],\n            [\n              -107.51220703125,\n              42.415346114253616\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b12e4b07f02db6a2b6f","contributors":{"authors":[{"text":"Denson, N.M.","contributorId":79458,"corporation":false,"usgs":true,"family":"Denson","given":"N.M.","affiliations":[],"preferred":false,"id":234154,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Horn, G. H.","contributorId":99567,"corporation":false,"usgs":true,"family":"Horn","given":"G.","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":234155,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":35272,"text":"b1371A - 1972 - Mineral resources of the High Sierra Primitive Area, California","interactions":[],"lastModifiedDate":"2022-12-30T22:39:55.041427","indexId":"b1371A","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1972","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":306,"text":"Bulletin","code":"B","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"1371","chapter":"A","title":"Mineral resources of the High Sierra Primitive Area, California","docAbstract":"<p>No abstract available.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/b1371A","usgsCitation":"Moore, J., Marks, L.Y., and Oliver, H.W., 1972, Mineral resources of the High Sierra Primitive Area, California: U.S. Geological Survey Bulletin 1371, Report: vi, 40 p.; 1 Plate: 32.00 x 30.00 inches, https://doi.org/10.3133/b1371A.","productDescription":"Report: vi, 40 p.; 1 Plate: 32.00 x 30.00 inches","costCenters":[],"links":[{"id":411264,"rank":4,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_21472.htm","linkFileType":{"id":5,"text":"html"}},{"id":63130,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/bul/1371a/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":63129,"rank":3,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/bul/1371a/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":166235,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/bul/1371a/report-thumb.jpg"}],"country":"United States","state":"California","otherGeospatial":"High Sierra Primitive Area","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -118.896,\n              36.928\n            ],\n            [\n              -118.896,\n              36.783\n            ],\n            [\n              -118.669,\n              36.783\n            ],\n            [\n              -118.669,\n              36.928\n            ],\n            [\n              -118.896,\n              36.928\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b06e4b07f02db69a2b6","contributors":{"authors":[{"text":"Moore, James Gregory","contributorId":73622,"corporation":false,"usgs":true,"family":"Moore","given":"James Gregory","affiliations":[],"preferred":false,"id":214357,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Marks, Lawrence Y.","contributorId":49370,"corporation":false,"usgs":true,"family":"Marks","given":"Lawrence","email":"","middleInitial":"Y.","affiliations":[],"preferred":false,"id":214356,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Oliver, H. W.","contributorId":85570,"corporation":false,"usgs":true,"family":"Oliver","given":"H.","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":214358,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":21867,"text":"ofr72332 - 1972 - Hydrogeologic characteristics of the valley-fill aquifer in the Brighton reach of the South Platte River valley, Colorado","interactions":[],"lastModifiedDate":"2012-02-02T00:07:44","indexId":"ofr72332","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1972","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":"72-332","title":"Hydrogeologic characteristics of the valley-fill aquifer in the Brighton reach of the South Platte River valley, Colorado","language":"ENGLISH","publisher":"U.S. Geological Survey, Water Resources Division, Colorado District,","doi":"10.3133/ofr72332","issn":"0566-8174","usgsCitation":"Hurr, R.T., and Schneider, P.A., 1972, Hydrogeologic characteristics of the valley-fill aquifer in the Brighton reach of the South Platte River valley, Colorado: U.S. Geological Survey Open-File Report 72-332, i, 2 p. :chiefly maps ;27 cm., https://doi.org/10.3133/ofr72332.","productDescription":"i, 2 p. :chiefly maps ;27 cm.","costCenters":[],"links":[{"id":153028,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1972/0332/report-thumb.jpg"},{"id":51352,"rank":400,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1972/0332/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":51353,"rank":401,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1972/0332/plate-2.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":51354,"rank":402,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1972/0332/plate-3.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":51355,"rank":403,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1972/0332/plate-4.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":51356,"rank":404,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1972/0332/plate-5.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":51357,"rank":405,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1972/0332/plate-6.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":51358,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1972/0332/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a50e4b07f02db628b6d","contributors":{"authors":[{"text":"Hurr, R. Theodore","contributorId":27023,"corporation":false,"usgs":true,"family":"Hurr","given":"R.","email":"","middleInitial":"Theodore","affiliations":[],"preferred":false,"id":186044,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Schneider, P. A. Jr.","contributorId":18771,"corporation":false,"usgs":true,"family":"Schneider","given":"P.","suffix":"Jr.","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":186043,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":59198,"text":"mf434 - 1972 - Metallic mineral resources map of the Dixon Entrance quadrangle, Alaska","interactions":[{"subject":{"id":13065,"text":"ofr6843 - 1968 - Metallic mineral resources map of the Dixon Entrance quadrangle, Alaska","indexId":"ofr6843","publicationYear":"1968","noYear":false,"title":"Metallic mineral resources map of the Dixon Entrance quadrangle, Alaska"},"predicate":"SUPERSEDED_BY","object":{"id":59198,"text":"mf434 - 1972 - Metallic mineral resources map of the Dixon Entrance quadrangle, Alaska","indexId":"mf434","publicationYear":"1972","noYear":false,"title":"Metallic mineral resources map of the Dixon Entrance quadrangle, Alaska"},"id":1}],"lastModifiedDate":"2024-01-09T16:11:59.286121","indexId":"mf434","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1972","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":325,"text":"Miscellaneous Field Studies Map","code":"MF","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"434","title":"Metallic mineral resources map of the Dixon Entrance quadrangle, Alaska","docAbstract":"<p>No abstract available.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/mf434","usgsCitation":"Cobb, E.H., 1972, Metallic mineral resources map of the Dixon Entrance quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map 434, 1 Sheet: 32.00 x 22.50 inches, https://doi.org/10.3133/mf434.","productDescription":"1 Sheet: 32.00 x 22.50 inches","costCenters":[],"links":[{"id":183552,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":111312,"rank":2,"type":{"id":15,"text":"Index Page"},"url":"https://www.dggs.dnr.state.ak.us/pubs/id/13212","linkFileType":{"id":5,"text":"html"}}],"country":"United States","state":"Alaska","otherGeospatial":"Dixon Entrance quadrangle","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -134,54 ], [ -134,55 ], [ -132,55 ], [ -132,54 ], [ -134,54 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a4de4b07f02db627461","contributors":{"authors":[{"text":"Cobb, E. H.","contributorId":71971,"corporation":false,"usgs":true,"family":"Cobb","given":"E.","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":261592,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":59200,"text":"mf447 - 1972 - Metallic mineral resources map of the Goodnews Quadrangle, Alaska","interactions":[{"subject":{"id":13068,"text":"ofr7085 - 1970 - Metallic mineral resources map of the Goodnews quadrangle, Alaska","indexId":"ofr7085","publicationYear":"1970","noYear":false,"title":"Metallic mineral resources map of the Goodnews quadrangle, Alaska"},"predicate":"SUPERSEDED_BY","object":{"id":59200,"text":"mf447 - 1972 - Metallic mineral resources map of the Goodnews Quadrangle, Alaska","indexId":"mf447","publicationYear":"1972","noYear":false,"title":"Metallic mineral resources map of the Goodnews Quadrangle, Alaska"},"id":1}],"lastModifiedDate":"2012-02-10T00:10:27","indexId":"mf447","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1972","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":325,"text":"Miscellaneous Field Studies Map","code":"MF","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"447","title":"Metallic mineral resources map of the Goodnews Quadrangle, Alaska","language":"ENGLISH","doi":"10.3133/mf447","usgsCitation":"Cobb, E.H., and Condon, W.H., 1972, Metallic mineral resources map of the Goodnews Quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map 447, 1 map., https://doi.org/10.3133/mf447.","productDescription":"1 map.","costCenters":[],"links":[{"id":111325,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://www.dggs.dnr.state.ak.us/pubs/id/13225","linkFileType":{"id":5,"text":"html"}},{"id":183554,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"scale":"0","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -162,59 ], [ -162,60 ], [ -159,60 ], [ -159,59 ], [ -162,59 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a4de4b07f02db627489","contributors":{"authors":[{"text":"Cobb, E. H.","contributorId":71971,"corporation":false,"usgs":true,"family":"Cobb","given":"E.","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":261595,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Condon, W. H.","contributorId":28611,"corporation":false,"usgs":true,"family":"Condon","given":"W.","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":261594,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":14348,"text":"ofr72195 - 1972 - Mineral deposits of the northwestern Hijaz quadrangle, Kingdom of Saudi Arabia","interactions":[],"lastModifiedDate":"2024-04-02T21:09:30.652159","indexId":"ofr72195","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1972","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":"72-195","title":"Mineral deposits of the northwestern Hijaz quadrangle, Kingdom of Saudi Arabia","docAbstract":"<p>A reconnaissance of portions of the Northwestern Hijaz quadrangle in the Kingdom of Saudi Arabia was made during 1964 and 1965 as part of a mineral survey of the Precambrian crystalline rocks of the country. The survey is being made under the terms of an agreement between the Saudi Arabia Ministry of Petroleum and Mineral Resources and the United States Geological Survey. Ancient gold and copper mines occur in the area, and deposits of iron minerals, chromite, copper minerals, asbestos, magnesite, gypsum, and glass sand have been discovered in recent years.</p><p>The land surface of the quadrangle consists of a narrow coastal plain, a mountainous belt, and a plateau. The mountainous bolt is made up of Precambrian rocks that include three major stratigraphic units separated by unconformities. The two older units are slightly metamorphosed and are intruded by plutonic rocks of many kinds. Granitic rocks predominate but intrusions of syenite, diorite, gabbro, and peridotite are known. Dikes are abundant throughout the mountainous area. The Precambrian rocks have been folded on north- to northwest-trending axes. A major northwest-striking wrench fault zone crosses the central portion of the quadrangle. North-, northeast-, and east-trending faults are locally prominent.</p><p>The plateau lies in the northeastern part of the quadrangle. It is made up of unmetamorphosed gently dipping sandstone of Paleozoic age overlain in part by flood basalts of Tertiary to Quaternary age. Sedimentary rocks of Miocene(?) age crop out in the coastal area.</p><p>Gold was mined in the area during the eighth and ninth centuries A. D. The ancient gold mines were reexamined in the 1930s but wore found to be too small and too low grade for mining. Exploration for minerals other than gold began in 1950.</p><p>The present work consisted of the examination of geological features that are potentially favorable for the presence of mineral deposits such as intrusive contacts, fault zones, quartz veins, and hydrothermally altered areas. Samples of wadi sediment were collected in areas that appeared most favorable. The samples were analyzed spectrographically for trace amounts of 27 elements to confirm the presence or absence of mineralization.</p><p>Massive magnetite bodies that range in size from a few hundred to a few thousand tons wore discovered in the course of the work as well as widely scattered traces of secondary copper minerals. The wadi samples disclosed several areas that contain from 5 to 10 times the average trace amounts of base metals and molybdenum; these areas should be prospected in more detail.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr72195","usgsCitation":"Johnson, R.F., and Trent, V.A., 1972, Mineral deposits of the northwestern Hijaz quadrangle, Kingdom of Saudi Arabia: U.S. Geological Survey Open-File Report 72-195, Report: 42 p.; 1 Figure: 40.89 x 40.24 inches; 1 Table: xiii, 11.64 x 7.75 inches, https://doi.org/10.3133/ofr72195.","productDescription":"Report: 42 p.; 1 Figure: 40.89 x 40.24 inches; 1 Table: xiii, 11.64 x 7.75 inches","costCenters":[],"links":[{"id":427322,"rank":3,"type":{"id":29,"text":"Figure"},"url":"https://pubs.usgs.gov/of/1972/0195/figure-1.pdf","text":"Figure 1","linkFileType":{"id":1,"text":"pdf"}},{"id":427321,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1972/0195/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":427323,"rank":4,"type":{"id":27,"text":"Table"},"url":"https://pubs.usgs.gov/of/1972/0195/table-1.pdf","text":"Table 1","linkFileType":{"id":1,"text":"pdf"}},{"id":148340,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1972/0195/report-thumb.jpg"}],"scale":"500000","country":"Saudi Arabia","otherGeospatial":"Hijaz quadrangle","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              35,\n              28\n            ],\n            [\n              35,\n              24\n            ],\n            [\n              39,\n              24\n            ],\n            [\n              39,\n              28\n            ],\n            [\n              35,\n              28\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    }\n  ]\n}","publicComments":"SA(IR) 80","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a61e4b07f02db6359e9","contributors":{"authors":[{"text":"Johnson, Robert Francis","contributorId":8864,"corporation":false,"usgs":true,"family":"Johnson","given":"Robert","email":"","middleInitial":"Francis","affiliations":[],"preferred":false,"id":169301,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Trent, Virgil A.","contributorId":47381,"corporation":false,"usgs":true,"family":"Trent","given":"Virgil","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":169302,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
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