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Wolf (Canis lupus) numbers in Michigan's Upper Peninsula declined from an estimated 45-50 animals in the mid-1950s to near extinction in 1973, probably because of overharvesting through the bounty system. Sporadic breeding and occasional immigration of wolves from Ontario and Minnesota are postulated to be the factors tending to maintain the present population at the level of perhaps six individuals, with illegal shooting and incidental capture by coyote bounty trappers apparently suppressing it.

","language":"English","publisher":"University of Notre Dame","doi":"10.2307/2424554","usgsCitation":"Hendrickson, J., and Robinson, W.L., 1975, Status of the wolf in Michigan, 1973: American Midland Naturalist, v. 94, no. 1, p. 226-232, https://doi.org/10.2307/2424554.","productDescription":"7 p.","startPage":"226","endPage":"232","numberOfPages":"7","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":198592,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United 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\"}}]}","volume":"94","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b32e4b07f02db6b4725","contributors":{"authors":[{"text":"Hendrickson, J.","contributorId":9375,"corporation":false,"usgs":true,"family":"Hendrickson","given":"J.","email":"","affiliations":[],"preferred":false,"id":333150,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Robinson, W. L.","contributorId":43882,"corporation":false,"usgs":true,"family":"Robinson","given":"W.","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":333151,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":5221004,"text":"5221004 - 1975 - Incidence of ingested lead shot in sora rails","interactions":[],"lastModifiedDate":"2025-02-18T18:34:17.095916","indexId":"5221004","displayToPublicDate":"1975-07-01T12:17:59","publicationYear":"1975","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2508,"text":"Journal of Wildlife Management","active":true,"publicationSubtype":{"id":10}},"title":"Incidence of ingested lead shot in sora rails","docAbstract":"

Gizzards of 934 sora rails (Porzana carolina) collected in Maryland (767) and Missouri (167) were examined for ingested shot. Ingested shot were found in 12.3 percent of the Maryland sample and 1.8 percent of the Missouri birds. Individual Maryland birds had ingested up to 28 pellets. None of the lead pellets examined was larger than a No. 7 1/2 shot. Maryland ingestion rates did not differ by age or sex, but significant differences between collection areas, groups of years, and collection periods within years were indicated. This exploratory work points out a potential lead poisoning problem among sora rails.

","language":"English","publisher":"Wiley","doi":"10.2307/3800393","usgsCitation":"Artmann, J., and Martin, E., 1975, Incidence of ingested lead shot in sora rails: Journal of Wildlife Management, v. 39, no. 3, p. 514-519, https://doi.org/10.2307/3800393.","productDescription":"6 p.","startPage":"514","endPage":"519","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":197252,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United 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\"}}]}","volume":"39","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49fce4b07f02db5f57bd","contributors":{"authors":[{"text":"Artmann, J.W.","contributorId":35844,"corporation":false,"usgs":true,"family":"Artmann","given":"J.W.","email":"","affiliations":[],"preferred":false,"id":332850,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Martin, E.M.","contributorId":55917,"corporation":false,"usgs":true,"family":"Martin","given":"E.M.","email":"","affiliations":[],"preferred":false,"id":332851,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70231227,"text":"70231227 - 1975 - Evaluation of LANDSAT-2 (ERTS) images applied to geologic structures and mineral resources of South America: Type II progress report for period March 14, 1975-June 30, 1975","interactions":[],"lastModifiedDate":"2022-05-03T16:32:52.624695","indexId":"70231227","displayToPublicDate":"1975-07-01T11:22:56","publicationYear":"1975","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":1,"text":"Federal Government Series"},"title":"Evaluation of LANDSAT-2 (ERTS) images applied to geologic structures and mineral resources of South America: Type II progress report for period March 14, 1975-June 30, 1975","docAbstract":"

The author has identified the following significant results. Work with the Image 100 clearly demonstrates that radiance values of LANDSAT data can be used for correlation of geologic formations across international boundaries. The Totora Formation of the Corocoro Group of Tertiary age was traced from known outcrops near Tiahuanaco, Bolivia, along the south side of Lake Titicaca westward into Peru where the same rocks are considered to be Cretaceous in age. This inconsistency suggests: (1) that a review of this formation is needed by joint geological surveys of both countries to determine similarities, differences, and the true age; (2) that recognition of the extension of the copper-bearing Totora Formation of Bolivia into Peru may provide Peru with a new target for exploration. Equal radiance maps made by use of the Image 100 system show as many as eight different units within salar deposits (salt flats) of the Bolivian Altiplano. Standard film processed images show them as nearly uniform areas of white because of lack of dynamic range in film products. The Image 100 system, therefore, appears to be of great assistance in subdividing the salt flats on the basis of moisture distribution, surface roughness, and distribution of windblown materials. Field work is needed to determine these relationships to mineral composition and distribution. Images representing seasonal changes should also improve the accuracy of such maps. Radiance values of alteration zones related to the occurrence of porphyry copper ores were measured at the San Juan del Abra deposit of northern Chile using the Image 100 system. The extent to which these same values may be used to detect similar alteration zones in other areas has not yet been tested.

","language":"English","publisher":"National Aeronautics and Space Administration","usgsCitation":"Carter, W.D., 1975, Evaluation of LANDSAT-2 (ERTS) images applied to geologic structures and mineral resources of South America: Type II progress report for period March 14, 1975-June 30, 1975, 45 p.","productDescription":"45 p.","costCenters":[{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true}],"links":[{"id":400070,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":400067,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://ntrs.nasa.gov/api/citations/19760013509/downloads/19760013509.pdf","size":"4,439 KB","linkFileType":{"id":1,"text":"pdf"}}],"country":"Bolivia, Chile, Peru","otherGeospatial":"Bolivian Altiplano, Lake 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William D.","contributorId":64567,"corporation":false,"usgs":true,"family":"Carter","given":"William","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":842092,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70232615,"text":"70232615 - 1975 - Palynological evidence for late Cretaceous, Paleocene, and early and middle Eocene ages for strata in the kaolin belt, central Georgia","interactions":[],"lastModifiedDate":"2022-07-08T15:44:54.624149","indexId":"70232615","displayToPublicDate":"1975-07-01T10:31:43","publicationYear":"1975","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2446,"text":"Journal of Research of the U.S. Geological Survey","active":true,"publicationSubtype":{"id":10}},"title":"Palynological evidence for late Cretaceous, Paleocene, and early and middle Eocene ages for strata in the kaolin belt, central Georgia","docAbstract":"

Falynomorphs of Late Cretaceous (Maestrichtian), Paleocene, Paleocene or early Eocene (Wilcox), and middle Eocene (Claiborne) ages have been found in lignitic and carbonaceous clays and silts in the Tuscaloosa Formation, as used in central and east-central Georgia. The occurrence of palynomorphs of Maestrichtian (Navarro) age above thick kaolin deposits at one locality and a suite of Claiborne age fossils below a thick deposit at another locality establish that kaolins of both Late Cretaceous and middle Eocene or younger ages are present. However, the recognition of the Paleocene and middle Eocene beds in the Tuscaloosa Formation of several authors indicates that part of it is much younger than previously thought. The palynomorphs and other characteristics of the carbonaceous materials of Cretaceous and middle Eocene ages indicate freshwater accumulation. The beds of Paleocene age contain both terrestrial and marine forms indicating deposition in marine swamps or estuaries. These findings and the range in ages support the conclusion that the deptositional history of the Late Cretaceous and early Tertiary formations in Georgia is complex.

","language":"English","publisher":"U. S. Geological Survey","usgsCitation":"Tschudy, R.H., and Patterson, S.H., 1975, Palynological evidence for late Cretaceous, Paleocene, and early and middle Eocene ages for strata in the kaolin belt, central Georgia: Journal of Research of the U.S. Geological Survey, v. 3, no. 4, p. 437-445.","productDescription":"9 p.","startPage":"437","endPage":"445","costCenters":[],"links":[{"id":403276,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":403275,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/journal/1975/vol3issue4/report.pdf","size":"24671 KB","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States","state":"Georgia","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -84.759521484375,\n 32.55607364492026\n ],\n [\n -82.386474609375,\n 32.55607364492026\n ],\n [\n -82.386474609375,\n 33.8339199536547\n ],\n [\n -84.759521484375,\n 33.8339199536547\n ],\n [\n -84.759521484375,\n 32.55607364492026\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"3","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Tschudy, Robert H.","contributorId":67879,"corporation":false,"usgs":true,"family":"Tschudy","given":"Robert","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":846077,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Patterson, Sam H.","contributorId":62996,"corporation":false,"usgs":true,"family":"Patterson","given":"Sam","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":846078,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70232614,"text":"70232614 - 1975 - Ordovician and middle Silurian rocks of the Wildhorse window, northeastern Pioneer Mountains, central Idaho","interactions":[],"lastModifiedDate":"2022-07-08T15:01:46.499533","indexId":"70232614","displayToPublicDate":"1975-07-01T09:14:31","publicationYear":"1975","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2446,"text":"Journal of Research of the U.S. Geological Survey","active":true,"publicationSubtype":{"id":10}},"title":"Ordovician and middle Silurian rocks of the Wildhorse window, northeastern Pioneer Mountains, central Idaho","docAbstract":"

Along Wildhorse Creek in the northeastern Pioneer Mountains, autochthonous Ordovician and Silurian rocks of an eastern carbonate assemblage are exposed in a structural window through allochthonous flysch deposits of the Mississippian Copper Basin Group. Graptolite-bearing Middle and Upper Ordovician dolomite and cherty dolomite 210 ft (64 m) thick are lithologically and faunally similar to the Hanson Creek Formation of central Nevada and the Saturday Mountain Formation of central Idaho. Monograptus-bearing Middle Silurian platy limestone at least 130 ft (40 m) thick resembles the Roberts Mountains Formation of central Nevada and rocks improperly designated Trail Creek Formation in the Bayhorse region of central Idaho. Allochthonous age-equivalent units of a more western transitional assemblage (the type Phi Kappa and Trail Creek Formations) occur 5 mi (8 km) west of the Wildhorse window, along the crest of the Pioneer Mountains.

","language":"English","publisher":"U. S. Geological Survey","usgsCitation":"Dover, J.H., and Ross, R.J., 1975, Ordovician and middle Silurian rocks of the Wildhorse window, northeastern Pioneer Mountains, central Idaho: Journal of Research of the U.S. Geological Survey, v. 3, no. 4, p. 431-436.","productDescription":"6 p.","startPage":"431","endPage":"436","costCenters":[],"links":[{"id":403274,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":403273,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/journal/1975/vol3issue4/report.pdf","size":"24671 KB","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States","state":"Idaho","otherGeospatial":"Pioneer Mountains, Wildhorse window","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -114.23686981201172,\n 43.78621481611623\n ],\n [\n -113.94298553466797,\n 43.78621481611623\n ],\n [\n -113.94298553466797,\n 44.02985227986729\n ],\n [\n -114.23686981201172,\n 44.02985227986729\n ],\n [\n -114.23686981201172,\n 43.78621481611623\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"3","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Dover, James H.","contributorId":43382,"corporation":false,"usgs":true,"family":"Dover","given":"James","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":846075,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Ross, Reuben James Jr.","contributorId":36911,"corporation":false,"usgs":true,"family":"Ross","given":"Reuben","suffix":"Jr.","email":"","middleInitial":"James","affiliations":[],"preferred":false,"id":846076,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70232613,"text":"70232613 - 1975 - Age provinces in the basement rocks of Liberia","interactions":[],"lastModifiedDate":"2022-07-11T18:51:47.165112","indexId":"70232613","displayToPublicDate":"1975-07-01T08:49:53","publicationYear":"1975","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2446,"text":"Journal of Research of the U.S. Geological Survey","active":true,"publicationSubtype":{"id":10}},"title":"Age provinces in the basement rocks of Liberia","docAbstract":"

Fourteen new Rb-Sr ages and 17 new K-Ar ages, when combined with published ages, confirm the previous subdivision of the basement rocks of Liberia into 3 age provinces. The Liberian age province was metamorphosed and intruded 2,700 m.y. ago, but the data suggest that many of the rocks of this province are probably considerably older. The Eburnean age province was metamorphosed approximately 2,150 m.y. ago. Rocks of the Pan-African age province were originally part of the Liberian province, but underwent a relatively intense metamorphism 500 m.y. ago. The K-Ar age patterns suggest that the Pan-African province was uplifted relative to the Liberian province sometime after 500 m.y. ago, but fission-track ages of apatites indicate that any such relative vertical displacements must have occurred prior to 120 m.y. ago.

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Geological Survey","usgsCitation":"Hedge, C.E., Marvin, R.F., and Naeser, C.W., 1975, Age provinces in the basement rocks of Liberia: Journal of Research of the U.S. Geological Survey, v. 3, no. 4, p. 425-429.","productDescription":"5 p.","startPage":"425","endPage":"429","costCenters":[],"links":[{"id":403272,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":403268,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/journal/1975/vol3issue4/report.pdf","size":"24671 KB","linkFileType":{"id":1,"text":"pdf"}}],"country":"Liberia","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -11.497192382812498,\n 6.931879889517218\n ],\n [\n -11.4697265625,\n 6.86643922958172\n ],\n [\n -11.40106201171875,\n 6.830988441534011\n ],\n [\n -11.38458251953125,\n 6.779171028142886\n 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W.","contributorId":76281,"corporation":false,"usgs":true,"family":"Naeser","given":"Charles","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":846074,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70232612,"text":"70232612 - 1975 - Andesite sills in the Red Mountain area, Scapegoat Wilderness, Lewis and Clark County, Montana","interactions":[],"lastModifiedDate":"2022-07-08T13:47:00.634712","indexId":"70232612","displayToPublicDate":"1975-07-01T08:33:07","publicationYear":"1975","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2446,"text":"Journal of Research of the U.S. Geological Survey","active":true,"publicationSubtype":{"id":10}},"title":"Andesite sills in the Red Mountain area, Scapegoat Wilderness, Lewis and Clark County, Montana","docAbstract":"

Sills 2-200 ft (0.6-60 in) thick in the Red Mountain area of the Scapegoat Wilderness in northwest Montana consist of altered andesite, basaltic andesite, and dacite and occur over a stratigraphic range of 8,000 ft (2,400 m) in the Helena and Snowslip Formations. The approximate compositional range of the sills is 50-80 percent plagioclase, 0-25 percent orthoclase, and 5-30 percent amphibole, pyroxene, and biotite; the uppermost sill contains about 15 percent quartz in the groundmass. Accessory minerals include quartz, magnetite, ilmenite, apatite, and pyrite. The petrology and alteration of the sills distinguish them from other sills in the region. Field observations and laboratory studies consisting of chemical, isotopic and X-ray analyses, and petrographic and mineralogic investigations suggest that the sills may have been emplaced in Precambrian Y time at about the same time as the extrusion of the Purcell Lava in the vicinity of Glacier National Park. Alternatively, the sills may represent a Precambrian igneous event not previously recognized in the Belt basin.

","language":"English","publisher":"U. S. Geological Survey","usgsCitation":"Earhart, R.L., 1975, Andesite sills in the Red Mountain area, Scapegoat Wilderness, Lewis and Clark County, Montana: Journal of Research of the U.S. Geological Survey, v. 3, no. 4, p. 415-424.","productDescription":"10 p.","startPage":"415","endPage":"424","costCenters":[],"links":[{"id":403267,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":403265,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/journal/1975/vol3issue4/report.pdf","size":"24671 KB","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States","state":"Montana","county":"Lewis and Clark County","otherGeospatial":"Red Mountain, Scapegoat Wilderness","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -112.85774230957031,\n 47.00179736417431\n ],\n [\n -112.64556884765624,\n 47.00179736417431\n ],\n [\n -112.64556884765624,\n 47.172444502751944\n ],\n [\n -112.85774230957031,\n 47.172444502751944\n ],\n [\n -112.85774230957031,\n 47.00179736417431\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"3","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Earhart, Robert L.","contributorId":74729,"corporation":false,"usgs":true,"family":"Earhart","given":"Robert","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":846071,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70232647,"text":"70232647 - 1975 - The effect of a fuel oil spill on benthic invertebrates and water quality on the Alaskan arctic slope, Happy Valley Creek near Sagwon, Alaska","interactions":[],"lastModifiedDate":"2022-07-11T13:55:44.726132","indexId":"70232647","displayToPublicDate":"1975-07-01T08:31:09","publicationYear":"1975","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2446,"text":"Journal of Research of the U.S. Geological Survey","active":true,"publicationSubtype":{"id":10}},"title":"The effect of a fuel oil spill on benthic invertebrates and water quality on the Alaskan arctic slope, Happy Valley Creek near Sagwon, Alaska","docAbstract":"

Samples of aquatic organisms and water were collected upstream and downstream from leaks and spills of arctic diesel fuel oil into Happy Valley Creek near Sagwon, Alaska. All groups of benthic invertebrates were reduced in abundance at the downstream boundary of the spill area, whereas invertebrates at an upstream site were unaffected.

","language":"English","publisher":"U. S. Geological Survey","usgsCitation":"Nauman, J.W., and Kernodle, D.R., 1975, The effect of a fuel oil spill on benthic invertebrates and water quality on the Alaskan arctic slope, Happy Valley Creek near Sagwon, Alaska: Journal of Research of the U.S. Geological Survey, v. 3, no. 4, p. 495-500.","productDescription":"6 p.","startPage":"495","endPage":"500","costCenters":[],"links":[{"id":403365,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":403362,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/journal/1975/vol3issue4/report.pdf","size":"24671 KB","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States","state":"Alaska","otherGeospatial":"Arctic, Happy Valley Creek","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -148.85710716247556,\n 69.14222972503215\n ],\n [\n -148.82037162780762,\n 69.14222972503215\n ],\n [\n -148.82037162780762,\n 69.15180817075904\n ],\n [\n -148.85710716247556,\n 69.15180817075904\n ],\n [\n -148.85710716247556,\n 69.14222972503215\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"3","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Nauman, Jon W.","contributorId":56232,"corporation":false,"usgs":true,"family":"Nauman","given":"Jon","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":846183,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Kernodle, Donald R.","contributorId":63003,"corporation":false,"usgs":true,"family":"Kernodle","given":"Donald","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":846184,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":1014458,"text":"1014458 - 1975 - Requirement of Atlantic salmon for dietary phosphorus","interactions":[],"lastModifiedDate":"2026-04-14T17:34:01.603329","indexId":"1014458","displayToPublicDate":"1975-07-01T00:00:00","publicationYear":"1975","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3624,"text":"Transactions of the American Fisheries Society","active":true,"publicationSubtype":{"id":10}},"title":"Requirement of Atlantic salmon for dietary phosphorus","docAbstract":"

Triplicate lots of young Atlantic salnon (Salmo salar) were fed a diet containing graded levels of supplemental inorganic phosphorus. The basal diet, containing mainly dehulled soybean meal and other plant materials, provided 40% crude protein, 0.7% phosphorus, 1.5% calcium, and 4,000 IU of supplemental cholecalciferol per kg of diet. Supplements of inorganic phosphorus significantly improved growth, feed utilization, and bone ash content. Inorganic phosphorus supplementation up to 0.6% of the diet increased growth rate and bone ash content; additions beyond this level had little further effect. This study suggests that when young salmon are fed diets containing 0.7% phosphorus from plant sources, the minimum requirement for supplemental inorganic phosphorus is approximately 0.6% of the diet.

","language":"English","publisher":"American Fisheries Society","doi":"10.1577/1548-8659(1975)104<548:ROASFD>2.0.CO;2","usgsCitation":"Ketola, H.G., 1975, Requirement of Atlantic salmon for dietary phosphorus: Transactions of the American Fisheries Society, v. 104, no. 3, p. 548-551, https://doi.org/10.1577/1548-8659(1975)104<548:ROASFD>2.0.CO;2.","productDescription":"4 p.","startPage":"548","endPage":"551","costCenters":[{"id":365,"text":"Leetown Science Center","active":true,"usgs":true}],"links":[{"id":129943,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"104","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a55e4b07f02db62c6de","contributors":{"authors":[{"text":"Ketola, H. G.","contributorId":60976,"corporation":false,"usgs":true,"family":"Ketola","given":"H.","middleInitial":"G.","affiliations":[],"preferred":false,"id":320402,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":5224722,"text":"5224722 - 1975 - Leucocytozoonosis in Canada Geese at the Seney National Wildlife Refuge","interactions":[],"lastModifiedDate":"2025-04-07T16:32:39.134246","indexId":"5224722","displayToPublicDate":"1975-07-01T00:00:00","publicationYear":"1975","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2507,"text":"Journal of Wildlife Diseases","active":true,"publicationSubtype":{"id":10}},"title":"Leucocytozoonosis in Canada Geese at the Seney National Wildlife Refuge","docAbstract":"

A history is given of the Seney National Wildlife Refuge and the losses of goslings of Canada geese (Branta canadensis) recorded since inception of the refuge in 1935. Since 1960, when more reliable data became available, losses have been extensive every 4 years. Gosling deaths are attributed to the infection with Leucocytozoon simondi. The blackfly (Simulium innocens) is considered to be the prime vector in the transmission of this blood parasite to goslings.

","language":"English","publisher":"Wildlife Disease Association","doi":"10.7589/0090-3558-11.3.404","usgsCitation":"Herman, C.M., Barrow, J., and Tarshis, I., 1975, Leucocytozoonosis in Canada Geese at the Seney National Wildlife Refuge: Journal of Wildlife Diseases, v. 11, no. 3, p. 404-411, https://doi.org/10.7589/0090-3558-11.3.404.","productDescription":"8 p.","startPage":"404","endPage":"411","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":197899,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Michigan","otherGeospatial":"Seney National Wildlife Refuge","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -86.2766641044198,\n 46.332812268058035\n ],\n [\n -86.2766641044198,\n 46.104797337772396\n ],\n [\n -85.95060333754489,\n 46.104797337772396\n ],\n [\n -85.95060333754489,\n 46.332812268058035\n ],\n [\n -86.2766641044198,\n 46.332812268058035\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"11","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b23e4b07f02db6ade38","contributors":{"authors":[{"text":"Herman, C. M.","contributorId":101335,"corporation":false,"usgs":true,"family":"Herman","given":"C.","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":342481,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Barrow, J.H. Jr.","contributorId":105000,"corporation":false,"usgs":true,"family":"Barrow","given":"J.H.","suffix":"Jr.","email":"","affiliations":[],"preferred":false,"id":342482,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Tarshis, I.B.","contributorId":83625,"corporation":false,"usgs":true,"family":"Tarshis","given":"I.B.","email":"","affiliations":[],"preferred":false,"id":342480,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70210083,"text":"70210083 - 1975 - Fertility of eggs produced on territories of vasectomized red-winged blackbirds","interactions":[],"lastModifiedDate":"2020-05-13T15:28:00.850396","indexId":"70210083","displayToPublicDate":"1975-06-30T10:21:06","publicationYear":"1975","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":5932,"text":"Wilson Bulletin","active":true,"publicationSubtype":{"id":10}},"title":"Fertility of eggs produced on territories of vasectomized red-winged blackbirds","docAbstract":"

Six male Red-winged Blackbirds scattered throughout 2 marshes were vasectomized in 1971, and their females began laying infertile clutches in 5 days. However, of 39 clutches on their territories, 27 (69%) were fertile. In 1972, 30, 50, and 100% of the males in 3 small isolated marshes were vasectomized, and 44, 33, and 12% of the clutches on their territories were fertile, respectively. All clutches were fertile in a fourth marsh where /// all males were sham-operated. All clutches checked were fertile on territories of fertile males adjacent to sterilized males. During the 2 years there were only 4 partially fertile clutches, 2 each on vasectomized and fertile males' territories. Examination of reproductive tracts of female Red-wings from other marshes showed that sperm retained from copulation were abundant during nest-building or egg-laying but had dropped to a few by hatching. In vasectomy studies, vasectomized males whose territories were the farthest from fertile males had the lowest percentage of fertile clutches. This and other evidence indicated that fertile clutches on territories of vasectomized males may have been due to females being promiscuous with fertile males. The occurrence of fertile clutches on territories of vasectomized males indicates that sterilizing some of the males in a population (as in a chemosterilant program) would not result in a proportional decrease in fertile clutches. However, the decreases achieved (up to 88%), and the probability of better results in an actual program, indicate that male chemosterilization would be a feasible means of reducing Red-wing populations.

","language":"English","publisher":"Wilson Ornithological Society","usgsCitation":"Bray, O.E., Kennelly, J.J., and Guarino, J.L., 1975, Fertility of eggs produced on territories of vasectomized red-winged blackbirds: Wilson Bulletin, v. 87, no. 2, p. 187-195.","productDescription":"9 p.","startPage":"187","endPage":"195","costCenters":[],"links":[{"id":374765,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":374764,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"https://www.jstor.org/stable/4160617"}],"country":"United States","state":"Colorado","county":"Jefferson County","city":"Lakewood","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -105.13229370117188,\n 39.6551344406674\n ],\n [\n -105.03719329833984,\n 39.6551344406674\n ],\n [\n -105.03719329833984,\n 39.72620102617506\n ],\n [\n -105.13229370117188,\n 39.72620102617506\n ],\n [\n -105.13229370117188,\n 39.6551344406674\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"87","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Bray, Olin E.","contributorId":224675,"corporation":false,"usgs":false,"family":"Bray","given":"Olin","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":789044,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Kennelly, James J.","contributorId":33962,"corporation":false,"usgs":true,"family":"Kennelly","given":"James","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":789045,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Guarino, Joseph L.","contributorId":57519,"corporation":false,"usgs":true,"family":"Guarino","given":"Joseph","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":789046,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":5221349,"text":"5221349 - 1975 - Effects of methylmercury on approach and avoidance behavior of mallard ducklings","interactions":[],"lastModifiedDate":"2020-03-24T12:25:08","indexId":"5221349","displayToPublicDate":"1975-06-16T12:17:59","publicationYear":"1975","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1103,"text":"Bulletin of Environmental Contamination and Toxicology","active":true,"publicationSubtype":{"id":10}},"title":"Effects of methylmercury on approach and avoidance behavior of mallard ducklings","docAbstract":"Mallard ducks were fed a control diet or a diet containing 0.5 or 3 ppm mercury (as methylmercury dicyandiamide) based on the dry feed. These mercury diets are approximately equivalent to 0.1 and 0.6 ppm mercury in a natural succulent diet. I measured for the ducklings the approach behavior in response to a tape-recorded maternal call and the avoidance of a frightening stimulus....There were no significant differences among controls and ducklings from mercury-treated parents in the percentage of ducklings that approached the tape-recorded call. Control ducklings, however, moved back and forth toward the call more than ducklings from mercury-treated parents and also spent more time in the end of the runway near the loudspeaker than ducklings whose parents were fed a diet containing 0.5 ppm mercury....Compared to control ducklings, ducklings from parents fed a diet containing 0.5 or 3 ppm mercury were hyper-responsive in the test of avoidance of a frightening stimulus....Mallard eggs collected in the wild have been found to contain levels of mercury exceeding the 1 ppm (wet-weight) found in the eggs of hens fed a diet containing 0.5 ppm, but there are no reports of mallard eggs collected in the wild that were found to contain as much mercury (6 to 9 ppm) as eggs from hens fed a diet containing 3 ppm mercury. On a dry-weight basis, the concentration of mercury in the eggs was about 6 times as great as that in the feed for ducks fed the 0.5 ppm mercury diet and about 6 to 9 times as great for ducks fed the 3 ppm mercury diet.","language":"English","publisher":"Springer","doi":"10.1007/BF01685179","usgsCitation":"Heinz, G.H., 1975, Effects of methylmercury on approach and avoidance behavior of mallard ducklings: Bulletin of Environmental Contamination and Toxicology, v. 13, no. 5, p. 554-564, https://doi.org/10.1007/BF01685179.","productDescription":"11 p.","startPage":"554","endPage":"564","numberOfPages":"11","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":197798,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"13","issue":"5","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a29e4b07f02db611c17","contributors":{"authors":[{"text":"Heinz, G. H.","contributorId":85905,"corporation":false,"usgs":true,"family":"Heinz","given":"G.","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":333613,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":5221357,"text":"5221357 - 1975 - Analysis of tissues of mallard ducks fed two phthalate esters","interactions":[],"lastModifiedDate":"2020-09-01T19:15:19.547983","indexId":"5221357","displayToPublicDate":"1975-06-16T12:17:59","publicationYear":"1975","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1103,"text":"Bulletin of Environmental Contamination and Toxicology","active":true,"publicationSubtype":{"id":10}},"title":"Analysis of tissues of mallard ducks fed two phthalate esters","docAbstract":"

No abstract available.

","language":"English","publisher":"Springer","doi":"10.1007/BF01721725","usgsCitation":"Belisle, A.A., Reichel, W.L., and Spann, J.W., 1975, Analysis of tissues of mallard ducks fed two phthalate esters: Bulletin of Environmental Contamination and Toxicology, v. 13, no. 2, p. 129-132, https://doi.org/10.1007/BF01721725.","productDescription":"4 p.","startPage":"129","endPage":"132","numberOfPages":"4","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":197712,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"13","issue":"2","noUsgsAuthors":false,"publicationDate":"2013-08-28","publicationStatus":"PW","scienceBaseUri":"4f4e4acfe4b07f02db68011c","contributors":{"authors":[{"text":"Belisle, A. A.","contributorId":77897,"corporation":false,"usgs":true,"family":"Belisle","given":"A.","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":333638,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Reichel, W. L.","contributorId":50482,"corporation":false,"usgs":true,"family":"Reichel","given":"W.","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":333637,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Spann, J. W.","contributorId":93435,"corporation":false,"usgs":true,"family":"Spann","given":"J.","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":333639,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":5221356,"text":"5221356 - 1975 - The brown pelican and certain environmental pollutants in Louisiana","interactions":[],"lastModifiedDate":"2020-02-26T12:31:01","indexId":"5221356","displayToPublicDate":"1975-06-16T12:17:59","publicationYear":"1975","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1103,"text":"Bulletin of Environmental Contamination and Toxicology","active":true,"publicationSubtype":{"id":10}},"title":"The brown pelican and certain environmental pollutants in Louisiana","docAbstract":"

No abstract available.

","language":"English","doi":"10.1007/BF01721930","usgsCitation":"Blus, L.J., Joanen, T., Belisle, A.A., and Prouty, R.M., 1975, The brown pelican and certain environmental pollutants in Louisiana: Bulletin of Environmental Contamination and Toxicology, v. 13, no. 6, p. 646-655, https://doi.org/10.1007/BF01721930.","productDescription":"10 p.","startPage":"646","endPage":"655","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":197649,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":16252,"rank":200,"type":{"id":11,"text":"Document"},"url":"https://www.springerlink.com/content/pt16415u03777453/?p=bb19560a97a54a2185d5a16803ed8da8&pi=1","linkFileType":{"id":5,"text":"html"}}],"volume":"13","issue":"6","noUsgsAuthors":false,"publicationDate":"2013-11-14","publicationStatus":"PW","scienceBaseUri":"4f4e4aaae4b07f02db669619","contributors":{"authors":[{"text":"Blus, L. J.","contributorId":38116,"corporation":false,"usgs":true,"family":"Blus","given":"L.","middleInitial":"J.","affiliations":[],"preferred":false,"id":333634,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Joanen, T.","contributorId":65952,"corporation":false,"usgs":true,"family":"Joanen","given":"T.","affiliations":[],"preferred":false,"id":333635,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Belisle, A. A.","contributorId":77897,"corporation":false,"usgs":true,"family":"Belisle","given":"A.","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":333636,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Prouty, R. M.","contributorId":31349,"corporation":false,"usgs":true,"family":"Prouty","given":"R.","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":333633,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":5221346,"text":"5221346 - 1975 - DDD poisoning in a loon and the identification of the hydroxylated form of DDD","interactions":[],"lastModifiedDate":"2020-09-01T19:13:32.032183","indexId":"5221346","displayToPublicDate":"1975-06-16T12:17:51","publicationYear":"1975","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1103,"text":"Bulletin of Environmental Contamination and Toxicology","active":true,"publicationSubtype":{"id":10}},"title":"DDD poisoning in a loon and the identification of the hydroxylated form of DDD","docAbstract":"

No abstract available.

","language":"English","publisher":"Springer","doi":"10.1007/BF01705500","usgsCitation":"Prouty, R.M., Peterson, J., Locke, L.N., and Mulhern, B., 1975, DDD poisoning in a loon and the identification of the hydroxylated form of DDD: Bulletin of Environmental Contamination and Toxicology, v. 14, no. 4, p. 385-388, https://doi.org/10.1007/BF01705500.","productDescription":"4 p.","startPage":"385","endPage":"388","numberOfPages":"4","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":197502,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"14","issue":"4","noUsgsAuthors":false,"publicationDate":"2013-09-07","publicationStatus":"PW","scienceBaseUri":"4f4e4acce4b07f02db67eb58","contributors":{"authors":[{"text":"Prouty, R. M.","contributorId":31349,"corporation":false,"usgs":true,"family":"Prouty","given":"R.","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":333605,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Peterson, J.E.","contributorId":8486,"corporation":false,"usgs":true,"family":"Peterson","given":"J.E.","email":"","affiliations":[],"preferred":false,"id":333604,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Locke, L. N.","contributorId":73539,"corporation":false,"usgs":true,"family":"Locke","given":"L.","email":"","middleInitial":"N.","affiliations":[],"preferred":false,"id":333606,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Mulhern, B.M.","contributorId":98683,"corporation":false,"usgs":true,"family":"Mulhern","given":"B.M.","email":"","affiliations":[],"preferred":false,"id":333607,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70199437,"text":"70199437 - 1975 - An empirical note on firm performance in government contract markets","interactions":[],"lastModifiedDate":"2025-09-29T16:00:14.427518","indexId":"70199437","displayToPublicDate":"1975-06-15T10:05:01","publicationYear":"1975","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":5744,"text":"The Journal of Industrial Economics","active":true,"publicationSubtype":{"id":10}},"title":"An empirical note on firm performance in government contract markets","docAbstract":"

Public construction and, in particular, highway construction account for a large proportion of the non-defense expenditures by the government. Con- tracts for highway construction are let almost exclusively through a sealed tender process. Competitive bidding is used to encourage price competition. There is, however, a problem in insuring that the bidder is able to deliver the product of specified quality and within a particular time period. Hence, in regulating such markets for product performance the bidding authority may wish to exclude bidders who cannot demonstrate that they are qualified to perform the specified service. In this paper, data from state highway departments are used to indicate the consequences of such exclusive policies in terms of market performance. The results obtained are consistent with traditional theory and present an interesting addition to the more specialized literature on participation of private firms in government markets.

","language":"English","publisher":"Wiley","doi":"10.2307/2098298","usgsCitation":"Attanasi, E., and Johnson, S.R., 1975, An empirical note on firm performance in government contract markets: The Journal of Industrial Economics, v. 23, no. 4, p. 313-320, https://doi.org/10.2307/2098298.","productDescription":"8 p.","startPage":"313","endPage":"320","costCenters":[{"id":241,"text":"Eastern Energy Resources Science Center","active":true,"usgs":true}],"links":[{"id":357422,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"23","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Attanasi, Emil D. 0000-0001-6845-7160 attanasi@usgs.gov","orcid":"https://orcid.org/0000-0001-6845-7160","contributorId":198728,"corporation":false,"usgs":true,"family":"Attanasi","given":"Emil D.","email":"attanasi@usgs.gov","affiliations":[{"id":241,"text":"Eastern Energy Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":745328,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Johnson, S. R.","contributorId":361848,"corporation":false,"usgs":false,"family":"Johnson","given":"S.","middleInitial":"R.","affiliations":[],"preferred":false,"id":745329,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70001205,"text":"70001205 - 1975 - Crystal structure of the heptamolybdate(VI)(paramolybdate) ion, [Mo7O24]6–, in the ammonium and potassium tetrahydrate salts","interactions":[],"lastModifiedDate":"2023-12-11T15:12:24.456569","indexId":"70001205","displayToPublicDate":"1975-06-01T23:09:33","publicationYear":"1975","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2537,"text":"Journal of the Chemical Society, Dalton Transactions","active":true,"publicationSubtype":{"id":10}},"displayTitle":"Crystal structure of the heptamolybdate(VI)(paramolybdate) ion, [Mo7O24]6–, in the ammonium and potassium tetrahydrate salts","title":"Crystal structure of the heptamolybdate(VI)(paramolybdate) ion, [Mo7O24]6–, in the ammonium and potassium tetrahydrate salts","docAbstract":"

The crystal structures of the isomorphous salts MI6[Mo7O24],4H2O (M = NH4 or K) have been refined by three-dimensional X-ray diffraction methods. Unit cell dimensions of these monoclinic compounds, space group P21/C with Z= 4, are, ammonium salt: a= 8·3934 ± 0·0008, b= 36·1703 ± 0·0045, c= 10·4715 ± 0·0011 Å, β= 115·958°± 0·008°; and potassium salt: a= 8·15 ± 0·02, b= 35·68 ± 0·1, c= 10·30 ± 0·02 Å, β= 115·2°± 02°.

By use of multiple Weissenberg patterns, 8197 intensity data (Mo-Kα radiation) for the ammonium compound and 2178 (Cu-Kα radiation) for the potassium compound were estimated visually and used to test and refine Lindqvist's proposed structure in the space group P21/c. Lindqvist's structure was confirmed and the full matrix least-squares isotropic refinement led to R 0·076 (ammonium) 0·120 (potassium), with direct unambiguous location of the cations and water molecules in the potassium compound.

","language":"English","publisher":"Royal Society of Chemistry","doi":"10.1039/DT9750000505","usgsCitation":"Evans, H.T., Gatehouse, B.M., and Leverett, P., 1975, Crystal structure of the heptamolybdate(VI)(paramolybdate) ion, [Mo7O24]6–, in the ammonium and potassium tetrahydrate salts: Journal of the Chemical Society, Dalton Transactions, no. 6, p. 505-514, https://doi.org/10.1039/DT9750000505.","productDescription":"10 p.","startPage":"505","endPage":"514","costCenters":[],"links":[{"id":203532,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"issue":"6","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4acce4b07f02db67ed37","contributors":{"authors":[{"text":"Evans, Howard T. Jr.","contributorId":70852,"corporation":false,"usgs":true,"family":"Evans","given":"Howard","suffix":"Jr.","email":"","middleInitial":"T.","affiliations":[],"preferred":false,"id":346670,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Gatehouse, B. M.","contributorId":95599,"corporation":false,"usgs":true,"family":"Gatehouse","given":"B.","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":346671,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Leverett, P.","contributorId":21671,"corporation":false,"usgs":true,"family":"Leverett","given":"P.","email":"","affiliations":[],"preferred":false,"id":346669,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70227373,"text":"70227373 - 1975 - Continental drilling","interactions":[],"lastModifiedDate":"2022-01-11T21:00:23.119384","indexId":"70227373","displayToPublicDate":"1975-06-01T14:54:32","publicationYear":"1975","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":3,"text":"Organization Series"},"seriesTitle":{"id":222,"text":"Technical Report","active":false,"publicationSubtype":{"id":3}},"title":"Continental drilling","docAbstract":"

No abstract available.

","conferenceTitle":"Workshop on Continental Drilling","conferenceDate":"June 10-13, 1974","conferenceLocation":"Ghost Ranch, Abiquiu, New Mexico, United States","language":"English","publisher":"Carnegie Institution of Washington","usgsCitation":"1975, Continental drilling: Technical Report, 56 p.","productDescription":"56 p.","costCenters":[],"links":[{"id":394216,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"editors":[{"text":"Shoemaker, Eugene Merle","contributorId":20342,"corporation":false,"usgs":true,"family":"Shoemaker","given":"Eugene","email":"","middleInitial":"Merle","affiliations":[],"preferred":false,"id":830639,"contributorType":{"id":2,"text":"Editors"},"rank":1}]}} ,{"id":70231224,"text":"70231224 - 1975 - Data availability and the role of the Earth Resources Observation Systems Data Center","interactions":[],"lastModifiedDate":"2022-05-03T15:40:29.100697","indexId":"70231224","displayToPublicDate":"1975-06-01T10:00:29","publicationYear":"1975","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Data availability and the role of the Earth Resources Observation Systems Data Center","docAbstract":"

With the launch of LANDSAT-1 in July 1972, and the follow-on launch of LANDSAT-2 in January of this year, routine availability of satellite imagery and electronic data of the earth's resources has become a reality. Federal data centers provide LANDSAT data to resource managers and the general public. These data centers have to date provided almost 500,000 frames of LANDSAT data at a cost of more than $2,000,000. Data from the LANDSAT satellite program, along with data and information from the Skylab manned program, are available over any location to anyone for the cost of reproduction.

","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"First comprehensive symposium on the practical application of earth resources survey data","largerWorkSubtype":{"id":12,"text":"Conference publication"},"conferenceTitle":"NASA Earth Resources Survey Symposium","conferenceDate":"June 9-12, 1975","conferenceLocation":"Houston, Texas, United States","language":"English","publisher":"National Aeronautics and Space Administration","usgsCitation":"Watkins, A.H., 1975, Data availability and the role of the Earth Resources Observation Systems Data Center, in First comprehensive symposium on the practical application of earth resources survey data, v. 2-B, Houston, Texas, United States, June 9-12, 1975, p. 372-378.","productDescription":"7 p.","startPage":"372","endPage":"378","costCenters":[{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true}],"links":[{"id":400061,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":400060,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"https://ntrs.nasa.gov/citations/19760019581"}],"volume":"2-B","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Watkins, Allen H.","contributorId":10721,"corporation":false,"usgs":true,"family":"Watkins","given":"Allen","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":842088,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70231222,"text":"70231222 - 1975 - Usefulness of LANDSAT data for monitoring plant development and range conditions in California's annual grassland","interactions":[],"lastModifiedDate":"2022-05-03T15:25:58.711294","indexId":"70231222","displayToPublicDate":"1975-06-01T09:17:35","publicationYear":"1975","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Usefulness of LANDSAT data for monitoring plant development and range conditions in California's annual grassland","docAbstract":"

A network of sampling sites throughout the annual grassland region of California was established to correlate plant growth stages and forage production to climatic and other environmental factors. Plant growth and range conditions were further related to geographic location and seasonal variations. A sequence of LANDSAT data was obtained covering critical periods in the growth cycle. This was analyzed by both photointerpretation and computer aided techniques. Image characteristics and spectral reflectance data were then related to forage production, range condition, range site and changing growth conditions. It was determined that repeat sequences with LANDSAT color composite images do provide a means for monitoring changes in range condition. Spectral radiance data obtained from magnetic tape can be used to determine quantitatively the critical stages in the forage growth cycle. A computer ratioing technique provided a sensitive indicator of changes in growth stages and an indication of the relative differences in forage production between range sites.

","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"First comprehensive symposium on the practical application of Earth resources survey data","largerWorkSubtype":{"id":12,"text":"Conference publication"},"conferenceTitle":"NASA Earth Resources Survey Symposium","conferenceDate":"June 9-12, 1975","conferenceLocation":"Houston, Texas, United States","language":"English","publisher":"National Aeronautics and Space Administration","usgsCitation":"Carneggie, D., Degloria, S.D., and Colwell, R.N., 1975, Usefulness of LANDSAT data for monitoring plant development and range conditions in California's annual grassland, in First comprehensive symposium on the practical application of Earth resources survey data, v. 1-A, Houston, Texas, United States, June 9-12, 1975, p. 19-41.","productDescription":"A-3, 23 p.","startPage":"19","endPage":"41","costCenters":[{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true}],"links":[{"id":400057,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":400055,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://ntrs.nasa.gov/api/citations/19760010384/downloads/19760010384.pdf","size":"8,119 KB","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States","state":"California","otherGeospatial":"Coast Range, Sierra Nevada","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -122.75024414062499,\n 38.048091067457236\n ],\n [\n -122.398681640625,\n 37.07271048132943\n ],\n [\n -119.81689453125,\n 37.57070524233116\n ],\n [\n -120.1904296875,\n 37.91820111976663\n ],\n [\n -120.267333984375,\n 38.762650338334154\n ],\n [\n -121.607666015625,\n 40.12009038025332\n ],\n [\n -121.47583007812501,\n 40.588928169693745\n ],\n [\n -121.78344726562499,\n 40.95501133048621\n ],\n [\n -122.34374999999999,\n 41.02964338716638\n ],\n [\n -123.15673828124999,\n 40.36328834091583\n ],\n [\n -122.78320312499999,\n 39.977120098439634\n ],\n [\n -122.75024414062499,\n 39.29179704377487\n ],\n [\n -122.44262695312501,\n 38.89103282648846\n ],\n [\n -122.75024414062499,\n 38.048091067457236\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"1-A","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Carneggie, D. M.","contributorId":62795,"corporation":false,"usgs":true,"family":"Carneggie","given":"D. M.","affiliations":[],"preferred":false,"id":842085,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Degloria, Stephen D.","contributorId":147310,"corporation":false,"usgs":false,"family":"Degloria","given":"Stephen","email":"","middleInitial":"D.","affiliations":[{"id":13243,"text":"University of California Berkeley","active":true,"usgs":false}],"preferred":false,"id":842086,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Colwell, R. N.","contributorId":291337,"corporation":false,"usgs":false,"family":"Colwell","given":"R.","email":"","middleInitial":"N.","affiliations":[],"preferred":false,"id":842087,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70236459,"text":"70236459 - 1975 - The South Dakota cooperative land use effort: A state level remote sensing demonstration project","interactions":[],"lastModifiedDate":"2022-09-07T14:22:53.67927","indexId":"70236459","displayToPublicDate":"1975-06-01T09:13:28","publicationYear":"1975","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"The South Dakota cooperative land use effort: A state level remote sensing demonstration project","docAbstract":"

No abstract available.

","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Proceedings of the NASA Earth Resources survey symposium","largerWorkSubtype":{"id":12,"text":"Conference publication"},"conferenceTitle":"First Comprehensive Symposium on the Practical Application of earth Resources Survey Data","conferenceDate":"June 1975","conferenceLocation":"Houston, TX","language":"English","publisher":"NASA","usgsCitation":"Tessar, P.A., Hood, D.R., and Todd, W.J., 1975, The South Dakota cooperative land use effort: A state level remote sensing demonstration project, in Proceedings of the NASA Earth Resources survey symposium, Houston, TX, June 1975, p. 1499-1523.","productDescription":"25 p.","startPage":"1499","endPage":"1523","costCenters":[{"id":222,"text":"Earth Resources Observation and Science (EROS) 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Dakota\",\"nation\":\"USA \"}}]}","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Tessar, Paul A.","contributorId":296271,"corporation":false,"usgs":false,"family":"Tessar","given":"Paul","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":851090,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hood, Dennis R.","contributorId":296272,"corporation":false,"usgs":false,"family":"Hood","given":"Dennis","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":851091,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Todd, William J.","contributorId":51595,"corporation":false,"usgs":true,"family":"Todd","given":"William","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":851092,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70206943,"text":"70206943 - 1975 - K-Ar ages of Pleistocene rhyolitic volcanism in the Coso Range, California","interactions":[],"lastModifiedDate":"2024-09-24T18:37:08.869569","indexId":"70206943","displayToPublicDate":"1975-06-01T08:11:49","publicationYear":"1975","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1796,"text":"Geology","active":true,"publicationSubtype":{"id":10}},"title":"K-Ar ages of Pleistocene rhyolitic volcanism in the Coso Range, California","docAbstract":"

Rhyolite domes and rhyolite and basalt flows near Coso Hot Springs in the Coso Range, California, give K-Ar ages that range from about 0.04 ± 0.02 m.y. to 0.96 ± 0.19 m.y. Most of the units appear to be between 0.05 and 0.15 m.y. old. The total volume of erupted rhyolitic magma is about 2.4 km3. The age, volume, and composition of these volcanic rocks indicate that the Coso volcanic field is a potential geothermal resource area. 

","language":"English","publisher":"GeScience World","doi":"10.1130/0091-7613(1975)3<339:KAOPRV>2.0.CO;2","usgsCitation":"Lanphere, M.A., Dalrymple, G.B., and Smith, R.L., 1975, K-Ar ages of Pleistocene rhyolitic volcanism in the Coso Range, California: Geology, v. 3, no. 6, p. 339-341, https://doi.org/10.1130/0091-7613(1975)3<339:KAOPRV>2.0.CO;2.","productDescription":"3 p.","startPage":"339","endPage":"341","costCenters":[],"links":[{"id":369773,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"California","otherGeospatial":"Coso Range","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -117.95202030068728,\n 36.322681707968925\n ],\n [\n -117.95202030068728,\n 36.113076055922946\n ],\n [\n -117.51321427449872,\n 36.113076055922946\n ],\n [\n -117.51321427449872,\n 36.322681707968925\n ],\n [\n -117.95202030068728,\n 36.322681707968925\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"3","issue":"6","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Lanphere, Marvin A. alder@usgs.gov","contributorId":2696,"corporation":false,"usgs":true,"family":"Lanphere","given":"Marvin","email":"alder@usgs.gov","middleInitial":"A.","affiliations":[],"preferred":true,"id":776344,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Dalrymple, G. Brent","contributorId":54564,"corporation":false,"usgs":true,"family":"Dalrymple","given":"G.","email":"","middleInitial":"Brent","affiliations":[],"preferred":false,"id":776345,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Smith, Robert L.","contributorId":90803,"corporation":false,"usgs":true,"family":"Smith","given":"Robert","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":776346,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":5221354,"text":"5221354 - 1975 - Organochlorine insecticide residues in the free-tailed bat (Tadarida brasiliensis) at Bracken Cave, Texas","interactions":[],"lastModifiedDate":"2025-03-10T15:50:15.234645","indexId":"5221354","displayToPublicDate":"1975-05-30T00:00:00","publicationYear":"1975","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2373,"text":"Journal of Mammalogy","onlineIssn":"1545-1542","printIssn":"0022-2372","active":true,"publicationSubtype":{"id":10}},"title":"Organochlorine insecticide residues in the free-tailed bat (Tadarida brasiliensis) at Bracken Cave, Texas","docAbstract":"

Fifty-nine free-tailed bats (Tadarida brasiliensis mexicana) were collected at Bracken Cave, Texas, and analyzed for organochlorine insecticides and polyehiorinated biphenyls (PCBs). Residues of DDE in the brain were greater in 12 young collected from the floor than in 15 young taken from the ceiling, but food deprivation, not higher residues in the brain, apparently caused young to fall.

Among 18 pregnant females, residues of DDE and DDT were highest in yearlings. The first lactation by yearlings caused their residue loads to drop sharply. Thereafter, increasing age was accompanied by increasing residues but amounts generally did not exceed those in yearlings.

Residue levels in embryos were a function both of levels in the female parent and degree of embryonic development. Residues accumulated rapidly in nursing young, and lactating females may excrete from 1.3 to 16.2 (mean = 4.3) micrograms of DDE in milk per day. Maximum individual residue loads may be attained toward the end of nursing, and mobilization of these residues during southward migration may subject Bracken Cave free-tails to maximum lifetime residues in the brain.

Comparison of our data with residue data for the free-tail population at Eagle Creek Cave (Arizona) in 1970 produced the following conclusions: (1) residues of DDE appeared similar in pregnant females, embryos, lactating females, and fallen young for the two populations; (2) residues of DDT and dieldrin appeared greater in pregnant females at Bracken Cave; (3) DDE and DDT occurred at greater levels in guano samples from Bracken Cave. On this basis, the population decline observed at Eagle Creek Cave between 1963 and 1969 does not appear to be related to the residues observed in the 1970 samples taken from that cave.

","language":"English","publisher":"Oxford Academic","doi":"10.2307/1379372","usgsCitation":"Clark, D.R., Martin, C., and Swineford, D.M., 1975, Organochlorine insecticide residues in the free-tailed bat (Tadarida brasiliensis) at Bracken Cave, Texas: Journal of Mammalogy, v. 56, no. 2, p. 429-443, https://doi.org/10.2307/1379372.","productDescription":"15 p.","startPage":"429","endPage":"443","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":198684,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Texas","otherGeospatial":"Bracken Cave","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -98.38200279357574,\n 29.70387840977898\n ],\n [\n -98.38200279357574,\n 29.671080375264665\n ],\n [\n -98.34342718386542,\n 29.671080375264665\n ],\n [\n -98.34342718386542,\n 29.70387840977898\n ],\n [\n -98.38200279357574,\n 29.70387840977898\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"56","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ae5e4b07f02db68a9f8","contributors":{"authors":[{"text":"Clark, D. R. Jr.","contributorId":40928,"corporation":false,"usgs":true,"family":"Clark","given":"D.","suffix":"Jr.","middleInitial":"R.","affiliations":[],"preferred":false,"id":333629,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Martin, C.O.","contributorId":96801,"corporation":false,"usgs":true,"family":"Martin","given":"C.O.","email":"","affiliations":[],"preferred":false,"id":333630,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Swineford, D. M.","contributorId":106839,"corporation":false,"usgs":true,"family":"Swineford","given":"D.","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":333631,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70010058,"text":"70010058 - 1975 - Magma beneath Yellowstone National Park","interactions":[],"lastModifiedDate":"2026-01-22T16:20:52.047577","indexId":"70010058","displayToPublicDate":"1975-05-23T00:00:00","publicationYear":"1975","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3338,"text":"Science","active":true,"publicationSubtype":{"id":10}},"title":"Magma beneath Yellowstone National Park","docAbstract":"

The Yellowstone plateau volcanic field is less than 2 million years old, lies in a region of intense tectonic and hydrothermal activity, and probably has the potential for further volcanic activity. The youngest of three volcanic cycles in the field climaxed 600,000 years ago with a voluminous ashflow eruption and the collapse of two contiguous cauldron blocks. Doming 150,000 years ago, followed by voluminous rhyolitic extrusions as recently as 70,000 years ago, and high convective heat flow at present indicate that the latest phase of volcanism may represent a new magmatic insurgence. These observations, coupled with (i) localized postglacial arcuate faulting beyond the northeast margin of the Yellowstone caldera, (ii) a major gravity low with steep bounding gradients and an amplitude regionally atypical for the elevation of the plateau, (iii) an aeromagnetic low reflecting extensive hydrothermal alteration and possibly indicating the presence of shallow material above its Curie temperature, (iv) only minor shallow seismicity within the caldera (in contrast to a high level of activity in some areas immediately outside), (v) attenuation and change of character of seismic waves crossing the caldera area, and (vi) a strong azimuthal pattern of teleseismic P-wave delays, strongly suggest that a body composed at least partly of magma underlies the region of the rhyolite plateau, including the Tertiary volcanics immediately to its northeast.

The Yellowstone field represents the active end of a system of similar volcanic foci that has migrated progressively northeastward for 15 million years along the trace of the eastern Snake River Plain. Regional aeromagnetic patterns suggest that this course was guided by the structure of the Precambrian basement. If, as suggested by several investigators, the Yellowstone magma body marks a contemporary deep mantle plume, this plume, in its motion relative to the North American plate, would appear to be \"navigating\" along a fundamental structure in the relatively shallow and brittle lithosphere overhead. The concept that a northeastward-propagating major crustal fracture controls the migration path of the major foc

","language":"English","publisher":"American Association for the Advancement of Science","doi":"10.1126/science.188.4190.787","issn":"00368075","usgsCitation":"Eaton, G.P., Christiansen, R., Iyer, H.M., Pitt, A., Mabey, D.R., Blank, H.R., Zietz, I., and Gettings, M.E., 1975, Magma beneath Yellowstone National Park: Science, v. 188, no. 4190, p. 787-796, https://doi.org/10.1126/science.188.4190.787.","productDescription":"10 p.","startPage":"787","endPage":"796","costCenters":[],"links":[{"id":219050,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Wyoming","otherGeospatial":"Yellowstone National Park","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -111.05452988210584,\n 45.001567911812685\n ],\n [\n -111.05452988210584,\n 44.21912149360787\n ],\n [\n -110.01925687870283,\n 44.21912149360787\n ],\n [\n -110.01925687870283,\n 45.001567911812685\n ],\n [\n -111.05452988210584,\n 45.001567911812685\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"188","issue":"4190","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a4b2fe4b0c8380cd69352","contributors":{"authors":[{"text":"Eaton, G. P.","contributorId":86334,"corporation":false,"usgs":true,"family":"Eaton","given":"G.","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":357797,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Christiansen, R.L. 0000-0002-8017-3918","orcid":"https://orcid.org/0000-0002-8017-3918","contributorId":25565,"corporation":false,"usgs":true,"family":"Christiansen","given":"R.L.","affiliations":[],"preferred":false,"id":357794,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Iyer, H. M.","contributorId":17997,"corporation":false,"usgs":true,"family":"Iyer","given":"H.","middleInitial":"M.","affiliations":[],"preferred":false,"id":357792,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Pitt, A.D.","contributorId":41440,"corporation":false,"usgs":true,"family":"Pitt","given":"A.D.","affiliations":[],"preferred":false,"id":357795,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Mabey, D. R.","contributorId":15989,"corporation":false,"usgs":true,"family":"Mabey","given":"D.","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":357791,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Blank, H. R. Jr.","contributorId":94674,"corporation":false,"usgs":true,"family":"Blank","given":"H.","suffix":"Jr.","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":357798,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Zietz, I.","contributorId":59937,"corporation":false,"usgs":true,"family":"Zietz","given":"I.","email":"","affiliations":[],"preferred":false,"id":357796,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Gettings, M. E.","contributorId":25148,"corporation":false,"usgs":true,"family":"Gettings","given":"M.","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":357793,"contributorType":{"id":1,"text":"Authors"},"rank":8}]}} ,{"id":70227168,"text":"70227168 - 1975 - Application of ERTS images and image processing to regional geologic problems and geologic mapping in northern Arizona","interactions":[],"lastModifiedDate":"2022-01-03T18:00:39.939625","indexId":"70227168","displayToPublicDate":"1975-05-15T11:30:55","publicationYear":"1975","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":3,"text":"Organization Series"},"seriesTitle":{"id":222,"text":"Technical Report","active":false,"publicationSubtype":{"id":3}},"seriesNumber":"32-1597","title":"Application of ERTS images and image processing to regional geologic problems and geologic mapping in northern Arizona","docAbstract":"

The purpose of this study was to apply the techniques of computer image processing to ERTS images as an aid to the solution of some regional geologic problems of significant interest.

ERTS-1 images were applied to studies in the Shivwits Plateau, Coconino Plateau, and north-central Arizona regions. Unprocessed ERTS images revealed a wealth of new structural information and enabled a broad regional study to be made of the tectonic history of the southwestern Colorado Plateau.

Spectral information from ERTS-1 was shown to be compatible with ground spectral reflectance measurements made with a portable field instrument developed during this investigation, provided that allowance was made for atmospheric effects.

Computer image processing yielded lithologic boundary information within the Coconino Plateau region not obtainable from unprocessed images. Various enhancement techniques were compared in the three areas of study, and some simple rules were developed to guide the processing of images in unknown areas.

A new hypothesis was developed for the history of the Colorado River. An ancestral and relatively old Upper Colorado Drainage followed approximately its present course as far as the western side of the Kaibab Uplift, where it diverged from the present course by following a strike valley trending north-northwest. This drainage was captured relatively recently by a much younger Lower Colorado Drainage, which developed by headward erosion after the opening of the Gulf of California.

A byproduct of the regional studies in each of the three areas was the identification of areas favorable for the localization of shallow and deep ground waters. On the Shivwits Plateau water trapped in the axis of the old strike valley underlying the Shivwits lavas is a potential source. On the Coconino Plateau sandstone lenses, underlain by clays, within the otherwise permeable Kaibab Limestone are potential perched aquifers. These can be identified on computer-enhanced images. Lineaments detected first on ERTS-1 frames and later verified on aerial photographs were used south of Flagstaff, Arizona, to identify maximum fracturing along the Oak Creek fault in the Woody Mountain well field; a site for a new deep well has been selected and is being drilled by the city of Flagstaff.

","language":"English","publisher":"Jet Propulsion Laboratory","usgsCitation":"Goetz, A.F., Billingsley, F.C., Gillespie, A.R., Abrams, M.J., Squires, R.L., Shoemaker, E.M., Lucchitta, I., and Elston, D.P., 1975, Application of ERTS images and image processing to regional geologic problems and geologic mapping in northern Arizona: Technical Report 32-1597, xiv, 188 p.","productDescription":"xiv, 188 p.","costCenters":[],"links":[{"id":393729,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":393728,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://ntrs.nasa.gov/api/citations/19750019447/downloads/19750019447.pdf","size":"123 MB","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States","state":"Arizona","otherGeospatial":"Bright Angel fault system, Coconino Plateau, Mesa Butte fault system, Shivwits Plateau, Verde Valley","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -114.04907226562499,\n 35.33977430038646\n ],\n [\n -111.258544921875,\n 35.33977430038646\n ],\n [\n -111.258544921875,\n 37.01132594307015\n ],\n [\n -114.04907226562499,\n 37.01132594307015\n ],\n [\n -114.04907226562499,\n 35.33977430038646\n ]\n ]\n ]\n }\n },\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -112.39837646484375,\n 33.47039910425851\n ],\n [\n -110.59661865234375,\n 33.47039910425851\n ],\n [\n -110.59661865234375,\n 34.84536693184101\n ],\n [\n -112.39837646484375,\n 34.84536693184101\n ],\n [\n -112.39837646484375,\n 33.47039910425851\n ]\n ]\n ]\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Goetz, Alexander F.H.","contributorId":43747,"corporation":false,"usgs":true,"family":"Goetz","given":"Alexander","middleInitial":"F.H.","affiliations":[],"preferred":false,"id":829875,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Billingsley, Frederic C.","contributorId":149240,"corporation":false,"usgs":false,"family":"Billingsley","given":"Frederic","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":829876,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Gillespie, A. R","contributorId":118218,"corporation":false,"usgs":true,"family":"Gillespie","given":"A.","email":"","middleInitial":"R","affiliations":[],"preferred":false,"id":829877,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Abrams, M. J.","contributorId":29859,"corporation":false,"usgs":true,"family":"Abrams","given":"M.","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":829878,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Squires, R. L.","contributorId":270733,"corporation":false,"usgs":false,"family":"Squires","given":"R.","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":829879,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Shoemaker, Eugene Merle","contributorId":20342,"corporation":false,"usgs":true,"family":"Shoemaker","given":"Eugene","email":"","middleInitial":"Merle","affiliations":[],"preferred":false,"id":829880,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Lucchitta, I.","contributorId":43916,"corporation":false,"usgs":true,"family":"Lucchitta","given":"I.","email":"","affiliations":[],"preferred":false,"id":829881,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Elston, D. P.","contributorId":96334,"corporation":false,"usgs":true,"family":"Elston","given":"D.","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":829882,"contributorType":{"id":1,"text":"Authors"},"rank":8}]}} ]}