{"pageNumber":"5501","pageRowStart":"137500","pageSize":"25","recordCount":165626,"records":[{"id":70232749,"text":"70232749 - 1975 - Phosphate fertilizer materials in Colombia; imports, uses, and domestic supplies","interactions":[],"lastModifiedDate":"2022-07-12T14:31:21.879888","indexId":"70232749","displayToPublicDate":"1975-11-01T09:27:21","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":"Phosphate fertilizer materials in Colombia; imports, uses, and domestic supplies","docAbstract":"<p>The distribution of potentially economic phosphate deposits and the locations of major users of phosphate products in Colombia are some of the economic factors that indicate the capability of the deposits to supply domestic demands. Much research is required to determine the types of processing plants needed and to outline changes from standard procedures, but there is little doubt that with proper planning a phosphate chemical industry could be developed that would supply domestic demands for the forseeable future. </p>","language":"English","publisher":"U.S. Geological Survey","usgsCitation":"Cathcart, J.B., 1975, Phosphate fertilizer materials in Colombia; imports, uses, and domestic supplies: Journal of Research of the U.S. Geological Survey, v. 3, no. 6, p. 659-663.","productDescription":"5 p.","startPage":"659","endPage":"663","costCenters":[],"links":[{"id":403488,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":403487,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/journal/1975/vol3issue6/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"country":"Colombia","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -78,\n              2\n            ],\n            [\n              -70,\n              2\n            ],\n            [\n              -70,\n              12\n            ],\n            [\n              -78,\n              12\n            ],\n            [\n              -78,\n              2\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"3","issue":"6","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Cathcart, James B.","contributorId":51201,"corporation":false,"usgs":true,"family":"Cathcart","given":"James","email":"","middleInitial":"B.","affiliations":[],"preferred":false,"id":846376,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70232741,"text":"70232741 - 1975 - Progressive metamorphism of schists recovered from a deep drill hole near Fairbanks, Alaska","interactions":[],"lastModifiedDate":"2022-07-12T14:05:06.696481","indexId":"70232741","displayToPublicDate":"1975-11-01T08:55:00","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":"Progressive metamorphism of schists recovered from a deep drill hole near Fairbanks, Alaska","docAbstract":"<p>In 1965, a deep test hole drilled near Eielson Air Force Base, Fairbanks district, Alaska, penetrated 9,774 ft (2,979.1 m) into schists of the metamorphic complex of the Yukon-Tanana Upland. Cores recovered from the test hole show that the section is dominated by calc-magnesian rocks with subordinate pelitic schists. Pelitic mineral assemblages define a progressive increase in metamorphic grade with depth, from the garnet to the kyanite isograd. Diopside first appears in the calc-magnesian schists that were cored at a depth of 9,766 ft (2,976.5 m), indicating the onset of the reaction: Tremolite + 3 calcite -f- 2 quartz→5 diopside + 3CO<sub>2</sub> +H<sub>2</sub>O. Ubiquitous staurolite and rare andalusite occur in the kyanite-bearing pelitic schists. Andalusite appears to have crystallized under postkinematic conditions, and the staurolite is apparently of both synkinematic and postkinematic origin. Hornblende and biotite from calc-magnesian schists sampled at depths of 7,142½ ft (2,176.9 m) and 9,766 ft (2,976.5 m) gave <sup>40</sup>K/<sup>40</sup>Ar ages of 140±8 and 57.3±1.9 m.y., respectively. The hornblende age is believed to represent the age of the latest synkinematic metamorphism, and the biotite age appears to be an anomalously young one related to the outgassing of argon from biotite at greater depth in the section. Recent experimental data on andalusite-kyanite-sillimanite and staurolite equilibria and the stability field of calcite+quartz+tremolite versus diopside in calc-magnesian rocks suggest that the rocks recovered from the 8,218- to 9,770-ft (2,504.7- to 2,977.7-m) interval were synkinematieally recrystallized at crustal depths of 17 to 19 km and at temperatures of 515° to 580°C; the present thermal gradient (31.5°C/km) is similar to that which accompanied metamorphism in Jurassic time.</p>","language":"English","publisher":"U.S. Geological Survey","usgsCitation":"Forbes, R., and Weber, F.R., 1975, Progressive metamorphism of schists recovered from a deep drill hole near Fairbanks, Alaska: Journal of Research of the U.S. Geological Survey, v. 3, no. 6, p. 647-657.","productDescription":"11 p.","startPage":"647","endPage":"657","costCenters":[],"links":[{"id":403483,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":403482,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/journal/1975/vol3issue6/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States","state":"Alaska","city":"Fairbanks","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -147.1234130859375,\n              64.33515002176769\n            ],\n            [\n              -145.810546875,\n              64.33515002176769\n            ],\n            [\n              -145.810546875,\n              64.8885966973514\n            ],\n            [\n              -147.1234130859375,\n              64.8885966973514\n            ],\n            [\n              -147.1234130859375,\n              64.33515002176769\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"3","issue":"6","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Forbes, Robert B.","contributorId":48984,"corporation":false,"usgs":true,"family":"Forbes","given":"Robert B.","affiliations":[],"preferred":false,"id":846370,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Weber, Florence R.","contributorId":17621,"corporation":false,"usgs":true,"family":"Weber","given":"Florence","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":846371,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70156565,"text":"70156565 - 1975 - Evaluation of stochastic models describing movement of sediment particles on riverbeds","interactions":[],"lastModifiedDate":"2015-08-24T15:02:10","indexId":"70156565","displayToPublicDate":"1975-10-31T19:00:00","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":"Evaluation of stochastic models describing movement of sediment particles on riverbeds","docAbstract":"<p>Various stochastic models have been proposed to describe the movement of sediment particles on the riverbed. Here it is attempted to summarize in an integrated form and to generalize the most important theoretical results in this field. The approach adopted in this paper is based on the fact that most of the stochastic models are only special cases of a particular kind of random walk on the straight line.</p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","usgsCitation":"Todorovic, P., and Nordin, C.F., 1975, Evaluation of stochastic models describing movement of sediment particles on riverbeds: Journal of Research of the U.S. Geological Survey, v. 3, no. 5, p. 513-517.","productDescription":"5 p.","startPage":"513","endPage":"517","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":307316,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":307315,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/journal/1975/vol3issue5/report.pdf","text":"Report","size":"20.87 MB","linkFileType":{"id":1,"text":"pdf"},"description":"Report"}],"volume":"3","issue":"5","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"55dc402ee4b0518e354d10fa","contributors":{"authors":[{"text":"Todorovic, Petar","contributorId":146951,"corporation":false,"usgs":false,"family":"Todorovic","given":"Petar","email":"","affiliations":[],"preferred":false,"id":569522,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Nordin, Carl F. Jr.","contributorId":74751,"corporation":false,"usgs":true,"family":"Nordin","given":"Carl","suffix":"Jr.","email":"","middleInitial":"F.","affiliations":[],"preferred":false,"id":569523,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70156618,"text":"70156618 - 1975 - Spectrochemical determination of trace elements in galena","interactions":[],"lastModifiedDate":"2015-08-25T09:02:57","indexId":"70156618","displayToPublicDate":"1975-10-28T17:15:00","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":"Spectrochemical determination of trace elements in galena","docAbstract":"<p>A semiquantitative spectrochemical method is described by means of which 10-mg samples of galena can be analyzed for their trace element content. Results on 40 elements are reported as six logarithmically spaced intervals per order of magnitude and obtained by visual comparison with standards prepared in spectrographically pure lead sulfide. Detection limits are generally between 1 and 20 ppm (except for Ce, Na, Sr, Ta, and Zn, which are 50 to 100 ppm). Replicate analyses of galena samples indicate a precision comparable to other semiquantitative spectrochemical methods used for the analysis of geochemical samples. Results obtained from the analysis of 129 galena samples are summarized.</p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","usgsCitation":"Mosier, E.L., Antweiler, J., and Nishi, J.M., 1975, Spectrochemical determination of trace elements in galena: Journal of Research of the U.S. Geological Survey, v. 3, no. 5, p. 625-631.","productDescription":"7 p.","startPage":"625","endPage":"631","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":307381,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":307380,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/journal/1975/vol3issue5/report.pdf","text":"Report","size":"20.87 MB","linkFileType":{"id":1,"text":"pdf"},"description":"Report"}],"volume":"3","issue":"5","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"55dd91bee4b0518e354dd1bc","contributors":{"authors":[{"text":"Mosier, E. L.","contributorId":71537,"corporation":false,"usgs":true,"family":"Mosier","given":"E.","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":569686,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Antweiler, J.C.","contributorId":35722,"corporation":false,"usgs":true,"family":"Antweiler","given":"J.C.","email":"","affiliations":[],"preferred":false,"id":569687,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Nishi, J. M.","contributorId":89886,"corporation":false,"usgs":true,"family":"Nishi","given":"J.","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":569688,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70156616,"text":"70156616 - 1975 - Revised value for the O<sup>18</sup> fractionation between CO<sub>2</sub> and H<sub>2</sub>O at 25°C","interactions":[],"lastModifiedDate":"2015-08-25T08:57:41","indexId":"70156616","displayToPublicDate":"1975-10-28T17:15:00","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":"Revised value for the O<sup>18</sup> fractionation between CO<sub>2</sub> and H<sub>2</sub>O at 25°C","docAbstract":"<p>A new value of 1.0412 for the fractionation factor a between CO<sub>2</sub> and H<sub>2</sub>O at 25&deg;C is recommended on the basis of new data and a reevaluation of earlier published data.</p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","usgsCitation":"O’Neil, J.R., Adami, L.H., and Epstein, S., 1975, Revised value for the O<sup>18</sup> fractionation between CO<sub>2</sub> and H<sub>2</sub>O at 25°C: Journal of Research of the U.S. Geological Survey, v. 3, no. 5, p. 623-624.","productDescription":"2 p.","startPage":"623","endPage":"624","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":307377,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":307376,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/journal/1975/vol3issue5/report.pdf","text":"Report","size":"20.87 MB","linkFileType":{"id":1,"text":"pdf"},"description":"Report"}],"volume":"3","issue":"5","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"55dd91bee4b0518e354dd1b6","contributors":{"authors":[{"text":"O’Neil, James R.","contributorId":70762,"corporation":false,"usgs":true,"family":"O’Neil","given":"James","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":569676,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Adami, Lanford H.","contributorId":146967,"corporation":false,"usgs":false,"family":"Adami","given":"Lanford","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":569677,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Epstein, Samuel","contributorId":146968,"corporation":false,"usgs":false,"family":"Epstein","given":"Samuel","email":"","affiliations":[],"preferred":false,"id":569678,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70156568,"text":"70156568 - 1975 - Lower Keweenawan volcanic rocks of Michigan and Wisconsin","interactions":[],"lastModifiedDate":"2019-11-12T18:10:06","indexId":"70156568","displayToPublicDate":"1975-10-28T17:15:00","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":"Lower Keweenawan volcanic rocks of Michigan and Wisconsin","docAbstract":"<p>Unconformable sequences of Keweenawan volcanic rocks occur in Michigan and adjacent Wisconsin. The sequences differ in types of rocks, magnetic properties, metamorphic grade, and pattern of structural deformation; they had different vent areas and were deposited in basins that were only partly overlapping. The older sequence includes the Bessemer Quartzite and two newly named formations that are here assigned to the lower Keweenawan. The younger sequence includes the well-known Portage Lake Volcanics and a younger unnamed formation, both of middle Keweenawan age. Formerly the older rocks were interpreted as a fault-repeated part of the Portage Lake Volcanics, but new evidence indicates that these older rocks had been metamorphosed and tilted and were being eroded in middle Keeweenawan time.</p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","usgsCitation":"Hubbard, H., 1975, Lower Keweenawan volcanic rocks of Michigan and Wisconsin: Journal of Research of the U.S. Geological Survey, v. 3, no. 5.","productDescription":"13 p.","startPage":"541","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":307325,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":307320,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/journal/1975/vol3issue5/report.pdf","text":"Report","size":"20.87 MB","linkFileType":{"id":1,"text":"pdf"},"description":"Report"}],"country":"United States","state":"Michigan, Wisconsin","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -91.4501953125,\n              46.01985337287631\n            ],\n            [\n              -87.51708984375,\n              46.01985337287631\n            ],\n            [\n              -87.51708984375,\n              47.517200697839414\n            ],\n            [\n              -91.4501953125,\n              47.517200697839414\n            ],\n            [\n              -91.4501953125,\n              46.01985337287631\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"3","issue":"5","edition":"529","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"55dc4030e4b0518e354d1111","contributors":{"authors":[{"text":"Hubbard, Harold A.","contributorId":99203,"corporation":false,"usgs":true,"family":"Hubbard","given":"Harold A.","affiliations":[],"preferred":false,"id":569535,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70156572,"text":"70156572 - 1975 - A typical cross section based on magnetic data of lower and middle Keweenawan volcanic rocks, Ironwood area, Michigan","interactions":[],"lastModifiedDate":"2019-11-12T18:15:11","indexId":"70156572","displayToPublicDate":"1975-10-28T17:15:00","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":"A typical cross section based on magnetic data of lower and middle Keweenawan volcanic rocks, Ironwood area, Michigan","docAbstract":"<p>A north-trending aeromagnetic profile of a sequence of east-striking Keweenawan volcanic rocks near Ironwood, Mich., can be matched to a calculated profile over a model consisting of a series of dipping layers. (The dips were those measured by H. A. Hubbard along the north-trending valley of the Black River.) Remanent and induced magnetizations of 39 oriented cores from the Black River valley were determined by K. G. Books; felsite from Chippewa Hill and basalt from Algonquin Falls of middle Keweenawan age have normal Keweenawan magnetization and lower Keweenawan Powder Mill rocks have reverse magnetization. In the model these magetizations were assigned to 26 layers which alternated with very weakly magnetized layers. The best match of the calculated composite anomalies of remanent and induced magnetization and the aeromagnetic profile occurs if a deeper block of steeply dipping Powder Mill rocks is assumed to underlie the middle Keweenawan flows.</p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","usgsCitation":"King, E.R., 1975, A typical cross section based on magnetic data of lower and middle Keweenawan volcanic rocks, Ironwood area, Michigan: Journal of Research of the U.S. Geological Survey, v. 3, no. 5, p. 543-546.","productDescription":"4 p.","startPage":"543","endPage":"546","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":307329,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":307328,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/journal/1975/vol3issue5/report.pdf","text":"Report","size":"20.87 MB","linkFileType":{"id":1,"text":"pdf"},"description":"Report"}],"country":"United States","state":"Michigan","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -90.6536865234375,\n              45.9874205909687\n            ],\n            [\n              -89.14306640625,\n              45.9874205909687\n            ],\n            [\n              -89.14306640625,\n              46.677710064644344\n            ],\n            [\n              -90.6536865234375,\n              46.677710064644344\n            ],\n            [\n              -90.6536865234375,\n              45.9874205909687\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"3","issue":"5","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"55dc4029e4b0518e354d10d2","contributors":{"authors":[{"text":"King, Elizabeth R.","contributorId":40990,"corporation":false,"usgs":true,"family":"King","given":"Elizabeth","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":569542,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70156614,"text":"70156614 - 1975 - Fossil fishes from the Pliocene or Pleistocene Cache Formation, Lake County, California","interactions":[],"lastModifiedDate":"2015-08-25T08:50:01","indexId":"70156614","displayToPublicDate":"1975-10-28T17:15:00","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":"Fossil fishes from the Pliocene or Pleistocene Cache Formation, Lake County, California","docAbstract":"<p>The remains of fossil fishes comprising three species were found in the Cache Formation in Lake County, Calif. The rocks containing the fossils are considered to be late Pliocene or early Pleistocene. The species are all freshwater and primarily quiet-water types that now live in Clear Lake and the waters of the surrounding area, suggesting continuity between the present lake and a lake represented by the rocks of the Cache Formation.</p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","usgsCitation":"Casteel, R.W., and Rymer, M.J., 1975, Fossil fishes from the Pliocene or Pleistocene Cache Formation, Lake County, California: Journal of Research of the U.S. Geological Survey, v. 3, no. 5, p. 619-622.","productDescription":"4 p.","startPage":"619","endPage":"622","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":307375,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":307374,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/journal/1975/vol3issue5/report.pdf","text":"Report","size":"20.87 MB","linkFileType":{"id":1,"text":"pdf"},"description":"Report"}],"country":"United States","state":"California","county":"Lake County","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -122.7,\n              38.8\n            ],\n            [\n              -122.7,\n              39\n            ],\n            [\n              -122.6,\n              39\n            ],\n            [\n              -122.6,\n              38.8\n            ],\n            [\n              -122.7,\n              38.8\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"3","issue":"5","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"55dd91b4e4b0518e354dd169","contributors":{"authors":[{"text":"Casteel, Richard W.","contributorId":28241,"corporation":false,"usgs":true,"family":"Casteel","given":"Richard","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":569670,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Rymer, Michael J. mrymer@usgs.gov","contributorId":1522,"corporation":false,"usgs":true,"family":"Rymer","given":"Michael","email":"mrymer@usgs.gov","middleInitial":"J.","affiliations":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"preferred":true,"id":569671,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70156574,"text":"70156574 - 1975 - Replacement barite deposit, southern Independence Mountains, Nevada","interactions":[],"lastModifiedDate":"2019-11-12T18:22:51","indexId":"70156574","displayToPublicDate":"1975-10-28T17:15:00","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":"Replacement barite deposit, southern Independence Mountains, Nevada","docAbstract":"<p>Allochthonous Devonian chert, metaquartzite, and greenstone in the Blue Basin quadrangle,, southern Independence Mountains, Nevada, are mineralized with barite forming a deposit of possible commercial grade and size. Textural evidence indicates that the barite was deposited in the host rocks principally by replacement, to a lesser extent by a process involving displacement and expansion of the host-rock material, and to a very minor extent by fracture filling.</p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","usgsCitation":"Ketner, K.B., 1975, Replacement barite deposit, southern Independence Mountains, Nevada: Journal of Research of the U.S. Geological Survey, v. 3, no. 5, p. 547-551.","productDescription":"5 p.","startPage":"547","endPage":"551","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":307338,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":307337,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/journal/1975/vol3issue5/report.pdf","text":"Report","size":"20.87 MB","linkFileType":{"id":1,"text":"pdf"},"description":"Report"}],"country":"United States","state":"Nevada","otherGeospatial":"Independence Mountains, Blue Basin quadrangle, Singletree Creek quadrangle","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -116.57318115234375,\n              40.78470081841747\n            ],\n            [\n              -115.72723388671875,\n              40.78470081841747\n            ],\n            [\n              -115.72723388671875,\n              41.934976500546604\n            ],\n            [\n              -116.57318115234375,\n              41.934976500546604\n            ],\n            [\n              -116.57318115234375,\n              40.78470081841747\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"3","issue":"5","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"55dc4031e4b0518e354d111c","contributors":{"authors":[{"text":"Ketner, Keith B.","contributorId":957,"corporation":false,"usgs":true,"family":"Ketner","given":"Keith","email":"","middleInitial":"B.","affiliations":[],"preferred":true,"id":569559,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70156611,"text":"70156611 - 1975 - Geomorphic evidence for late Holocene tilting in southern San Mateo County, California","interactions":[],"lastModifiedDate":"2015-08-25T08:40:39","indexId":"70156611","displayToPublicDate":"1975-10-28T17:15:00","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":"Geomorphic evidence for late Holocene tilting in southern San Mateo County, California","docAbstract":"<p>Relations between the stream channels and the alluvial deposits along Bradley Creek and the lower part of Butano Creek suggest that the area has been tilted very recently, and localized swampy conditions supply additional supporting evidence. Radiocarbon dates show that some of the valley alluvium along Butano Creek was deposited no more than 750-800 yr ago, and tilting must have Occurred since that time.</p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","usgsCitation":"Adam, D.P., 1975, Geomorphic evidence for late Holocene tilting in southern San Mateo County, California: Journal of Research of the U.S. Geological Survey, v. 3, no. 5, p. 613-617.","productDescription":"5 p.","startPage":"613","endPage":"617","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":307371,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":307370,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/journal/1975/vol3issue5/report.pdf","text":"Report","size":"20.87 MB","linkFileType":{"id":1,"text":"pdf"},"description":"Report"}],"country":"United States","state":"California","county":"San Mateo","otherGeospatial":"Bradley Creek, Butano Creek","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -122.39,\n              37\n            ],\n            [\n              -122.39,\n              37.4\n            ],\n            [\n              -122.17,\n              37.4\n            ],\n            [\n              -122.17,\n              37\n            ],\n            [\n              -122.39,\n              37\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"3","issue":"5","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"55dd91b4e4b0518e354dd173","contributors":{"authors":[{"text":"Adam, David P.","contributorId":36132,"corporation":false,"usgs":true,"family":"Adam","given":"David","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":569669,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70156609,"text":"70156609 - 1975 - Age of volcanism, intrusion, and mineralization in the Thomas Range, Keg Mountain, and Desert Mountain, western Utah","interactions":[],"lastModifiedDate":"2015-08-25T08:20:11","indexId":"70156609","displayToPublicDate":"1975-10-28T17:15:00","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 of volcanism, intrusion, and mineralization in the Thomas Range, Keg Mountain, and Desert Mountain, western Utah","docAbstract":"<p>Twenty-six new age determinations by the fission-track method establish a chronology for volcanism, intrusion, and mineralization in the Thomas Range, Keg Mountain, and Desert Mountain, in western Utah. The fission-track ages confirm D. R. Shawe's three-fold classification of igneous rocks. The oldest group of rocks consists of flows, agglomerates, and some ash-flow tuffs that were deposited 38-39 m.y. ago. The middle group contains widespread rhyolitic ash-flow tuffs that originated from local volcanic centers 30-32 m.y. ago. A dike emplaced along the probable ring-fracture zone of the Keg caldera about 31 m.y. ago indicates that caldera collapse occurred soon after eruption of ash-flow tuffs. Rocks believed to belong-to the middle group also were intruded by the quartz monzonite of Desert Mountain 27-30 m.y. ago. Little or no igneous activity took place within the next 20 m.y., during which time the region was strongly broken by Basin-and-Range faulting. Rhyolites of the youngest group were extruded 8-10 m.y. ago in the Keg Mountain area and 6-7 m.y. ago in the Thomas Range. The beryllium-fluorite mineralization at Spor Mountain occurred after the rhyolitic volcanism in the Thomas Range.</p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","usgsCitation":"Lindsey, D.A., Naeser, C.W., and Shawe, D., 1975, Age of volcanism, intrusion, and mineralization in the Thomas Range, Keg Mountain, and Desert Mountain, western Utah: Journal of Research of the U.S. Geological Survey, v. 3, no. 5, p. 597-604.","productDescription":"8 p.","startPage":"597","endPage":"604","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":307364,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/journal/1975/vol3issue5/report.pdf","text":"Report","size":"20.87 MB","linkFileType":{"id":1,"text":"pdf"},"description":"Report"},{"id":307365,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Utah","otherGeospatial":"Thomas Range, Keg Mountain, Desert Mountain","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -113.25,\n              39.5\n            ],\n            [\n              -113.25,\n              40\n            ],\n            [\n              -112.75,\n              40\n            ],\n            [\n              -112.75,\n              39.5\n            ],\n            [\n              -113.25,\n              39.5\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"3","issue":"5","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"55dd91ace4b0518e354dd117","contributors":{"authors":[{"text":"Lindsey, David A. 0000-0002-9466-0899 dlindsey@usgs.gov","orcid":"https://orcid.org/0000-0002-9466-0899","contributorId":773,"corporation":false,"usgs":true,"family":"Lindsey","given":"David","email":"dlindsey@usgs.gov","middleInitial":"A.","affiliations":[{"id":171,"text":"Central Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":569655,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Naeser, Charles W.","contributorId":76281,"corporation":false,"usgs":true,"family":"Naeser","given":"Charles","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":569656,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Shawe, Daniel R.","contributorId":91448,"corporation":false,"usgs":true,"family":"Shawe","given":"Daniel R.","affiliations":[],"preferred":false,"id":569657,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70156578,"text":"70156578 - 1975 - Diagenesis of Miocene siliceous shales, Temblor Range, California","interactions":[],"lastModifiedDate":"2019-11-12T15:21:45","indexId":"70156578","displayToPublicDate":"1975-10-28T17:15:00","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":"Diagenesis of Miocene siliceous shales, Temblor Range, California","docAbstract":"<p>Siliceous Monterey Shale and related shales of the Temblor Range, Calif., are subdivided into three depth-controlled zones characterized by different forms of silica. These are, in descending stratigraphic order: (1) Biogenic opal zone, with remains of diatoms and other siliceous organisms, (2) diagenetic cristobalite zone, and (3) diagenetic quartz zone. Using the top of the youngest marine unit, the overlying Etchegoin Formation, as datum, the transition from biogenic opal to disordered cristobalite occurs within the Monterey Shale of Chico Martinez Creek at -730 m, and the ordered cristobalite-to-microquartz transition at about -2,030 m. Temperatures that prevailed at these transition depths while the sedimentary pile lay at the bottom of the sea are estimated at about 50&deg; and 110&deg;C, respectively. Diagenetic cristobalite manifests, downward through a 1,300-m interval of section, a progressive decrease in its <i>d</i>(101) spacing because of a gradual ordering of its internal structure through adjustments in the solid state. Diagenetic microquartz forms only from well-ordered cristobalite that provides the most appropriate concentration of dissolved silica for precipitation of microquartz. Scanning electron micrographs of the silica mineral in pores of rocks made up of disordered cristobalite show aggregates of well-formed bladed crystals, like those described from deep-sea cherts. The pore silica minerals in rocks made up of ordered cristobalite occur as dendritic growths of poorly formed stubby crystals, and the change in crystal habit could be an external expression of the internal ordering process.</p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","usgsCitation":"Murata, K.J., and Larson, R., 1975, Diagenesis of Miocene siliceous shales, Temblor Range, California: Journal of Research of the U.S. Geological Survey, v. 3, no. 5, p. 553-566.","productDescription":"13 p.","startPage":"553","endPage":"566","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":307342,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":307341,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/journal/1975/vol3issue5/report.pdf","text":"Report","size":"20.87 MB","linkFileType":{"id":1,"text":"pdf"},"description":"Report"}],"country":"United States","state":"California","otherGeospatial":"Temblor Range","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -121.13525390625,\n              33.99802726234877\n            ],\n            [\n              -118.67980957031249,\n              33.99802726234877\n            ],\n            [\n              -118.67980957031249,\n              35.91129848822746\n            ],\n            [\n              -121.13525390625,\n              35.91129848822746\n            ],\n            [\n              -121.13525390625,\n              33.99802726234877\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"3","issue":"5","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"55dc402ee4b0518e354d10f1","contributors":{"authors":[{"text":"Murata, K. J.","contributorId":18759,"corporation":false,"usgs":true,"family":"Murata","given":"K.","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":569566,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Larson, R.R.","contributorId":29803,"corporation":false,"usgs":true,"family":"Larson","given":"R.R.","email":"","affiliations":[],"preferred":false,"id":569567,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70156608,"text":"70156608 - 1975 - Quaternary faults at San Diego Bay, California","interactions":[],"lastModifiedDate":"2015-08-25T08:01:13","indexId":"70156608","displayToPublicDate":"1975-10-28T17:15:00","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":"Quaternary faults at San Diego Bay, California","docAbstract":"<p>Acoustic-reflection profiles of subbottom strata reveal numerous faults that cut Quaternary deposits within and directly outside of San Diego Bay. These faults, together with previously mapped onshore faults, constitute the Rose Canyon fault zone that forms the local west boundary of the Santa Ana tectonic block, which is bounded on the east by the Elsinore fault zone. The minor earthquakes that have been felt in San Diego during historic time and accurately recorded during the past 41 yr are too infrequent to explain the observed rate of slip. The principal faulting is inferred to take place during moderate earthquakes similar to previous ones recorded along the west side of the Santa Ana block in 1933 at Long Beach, Calif., and in 1956 at San Miguel, Baja California. The known magnitudes of these previous events suggest that earthquakes in San Diego could attain a magnitude of approximately 6.5. An offset of the coast at Point La Jolla, when divided by the offset associated with previously studied earthquakes of magnitude 6.5, suggests that such events occur there at an average of approximately once every 600 yr.</p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","usgsCitation":"Moore, G.W., and Kennedy, M.P., 1975, Quaternary faults at San Diego Bay, California: Journal of Research of the U.S. Geological Survey, v. 3, no. 5, p. 589-595.","productDescription":"7 p.","startPage":"589","endPage":"595","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":307363,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":307362,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/journal/1975/vol3issue5/report.pdf","text":"Report","size":"20.87 MB","linkFileType":{"id":1,"text":"pdf"},"description":"Report"}],"country":"United States","state":"California","otherGeospatial":"San Diego Bay","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -118.5,\n              32\n            ],\n            [\n              -118.5,\n              33.5\n            ],\n            [\n              -116,\n              33.5\n            ],\n            [\n              -116,\n              32\n            ],\n            [\n              -118.5,\n              32\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"3","issue":"5","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"55dd91bee4b0518e354dd1b2","contributors":{"authors":[{"text":"Moore, George W.","contributorId":21625,"corporation":false,"usgs":true,"family":"Moore","given":"George","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":569653,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Kennedy, Michael P.","contributorId":63469,"corporation":false,"usgs":true,"family":"Kennedy","given":"Michael","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":569654,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70156589,"text":"70156589 - 1975 - Tectonic setting of the Tertiary volcanic rocks of the Olympic Peninsula, Washington","interactions":[],"lastModifiedDate":"2019-11-12T15:29:08","indexId":"70156589","displayToPublicDate":"1975-10-28T17:15:00","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":"Tectonic setting of the Tertiary volcanic rocks of the Olympic Peninsula, Washington","docAbstract":"<p>Lower and middle Eocene abyssal and Hawaiian type tholeiitic basalts form two accumulations that apparently were once far out on the east flank of the Juan de Fuca Ridge, within the Juan de Fuca plate. One of these (more than 15 km thick) is near the eastern and southeastern periphery of the Olympic Peninsula, and the other (about 5 km thick) is on the north. The tholeiites stratigraphically overlie and interfinger with Paleocene(?) and lower and middle Eocene marine turbidites and shales; one flow includes boulders that, like clasts in the sediments, were derived from the North American continental plate immediately to the east. The basalts are overlain stratigraphically by middle Eocene to middle Miocene clastic marine sedimentary rocks, which are in turn overlapped unconformably on the south and west by upper Miocene (?) and Pliocene, chiefly shallow-marine clastic rocks. These various peripheral rocks flank a middle or late Miocene structurally complex dome, or orocline convex to the east, in which originally east dipping and low angle late Eocene to late Miocene underthrusts are flexed. The outermost underthrust of the complex separates the chiefly volcanic peripheral rocks to the north, east, and south from stratigraphically correlative and comparable, though predominantly sedimentary, core rocks arranged in northwest trending arcuate belts or packets bounded by fault zones. Before underthrusting, and perhaps oroclinal folding connected with doming, the pre-middle Miocene section was possibly 150 to 200 km wide compared with the present Olympic Peninsula which is 120 km wide. The section accumulated on the ocean floor near the western margin of the continent, before and during subduction of the oceanic crust.</p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","usgsCitation":"Cady, W., 1975, Tectonic setting of the Tertiary volcanic rocks of the Olympic Peninsula, Washington: Journal of Research of the U.S. Geological Survey, v. 3, no. 5, p. 573-582.","productDescription":"10 p.","startPage":"573","endPage":"582","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":307355,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":307354,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/journal/1975/vol3issue5/report.pdf","text":"Report","size":"20.87 MB","linkFileType":{"id":1,"text":"pdf"},"description":"Report"}],"country":"United States","state":"Washington","otherGeospatial":"Olympic Peninsula","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -125.55725097656249,\n              46.543749602738565\n            ],\n            [\n              -122.36572265625,\n              46.543749602738565\n            ],\n            [\n              -122.36572265625,\n              48.719961222646276\n            ],\n            [\n              -125.55725097656249,\n              48.719961222646276\n            ],\n            [\n              -125.55725097656249,\n              46.543749602738565\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"3","issue":"5","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"55dc4032e4b0518e354d112a","contributors":{"authors":[{"text":"Cady, Wallace M.","contributorId":146958,"corporation":false,"usgs":true,"family":"Cady","given":"Wallace M.","affiliations":[],"preferred":false,"id":569605,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70156606,"text":"70156606 - 1975 - Tectonics of the western Valley and Ridge foldbelt, Pendleton County, West Virginia - a summary report","interactions":[],"lastModifiedDate":"2015-08-25T07:50:22","indexId":"70156606","displayToPublicDate":"1975-10-28T17:15:00","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":"Tectonics of the western Valley and Ridge foldbelt, Pendleton County, West Virginia - a summary report","docAbstract":"<p>A belt of high anticlines, the Nittany anticlinorium, occupies the western Valley and Ridge foldbelt in the central Appalachians. It extends southwestward from the Nittany arch of central Pennsylvania into the Virginias. An investigation of the tectonics of this anticlinorium in Pendleton County, W. Va., rules out active basement involvement in the deformation of the area. Cross-sectional models consistent with the accumulated data show that Middle Cambrian through Middle Ordovician carbonate rocks are technically stacked, shingle-fashion, from southeast to northwest below predominantly folded younger strata that have undergone less lateral shortening. Differential shortening in this area is of the proper order to balance cover deformation in the Allegheny synclinorium to the west. Field relations suggest a long period of abnormally high fluid pressures in Lower Devonian and older strata during deformation. At this time, the area was under sufficient northwest, near-horizontal compressive stress for abundant quartz deformation lamellae to form. Gravity sliding is ruled out as the deforming mechanism for this part of the Appalachian foldbelt. No significant tectonism appears to have occurred prior to Pennsylvanian time in this area.</p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","usgsCitation":"Perry, W.J., 1975, Tectonics of the western Valley and Ridge foldbelt, Pendleton County, West Virginia - a summary report: Journal of Research of the U.S. Geological Survey, v. 3, no. 5, p. 583-588.","productDescription":"6 p.","startPage":"583","endPage":"588","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":307361,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":307359,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/journal/1975/vol3issue5/report.pdf","text":"Report","size":"20.87 MB","linkFileType":{"id":1,"text":"pdf"},"description":"Report"}],"country":"United States","state":"West Virginia","county":"Pendleton County","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -81.2,\n              37.5\n            ],\n            [\n              -81.2,\n              40\n            ],\n            [\n              -78.5,\n              40\n            ],\n            [\n              -78.5,\n              37.5\n            ],\n            [\n              -81.2,\n              37.5\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"3","issue":"5","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"55dd91bfe4b0518e354dd1c6","contributors":{"authors":[{"text":"Perry, William J. Jr.","contributorId":32498,"corporation":false,"usgs":true,"family":"Perry","given":"William","suffix":"Jr.","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":569652,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70156610,"text":"70156610 - 1975 - The Oligocene volcanic center at Eureka, Nevada","interactions":[],"lastModifiedDate":"2018-06-15T12:16:50","indexId":"70156610","displayToPublicDate":"1975-10-28T17:00:00","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 Oligocene volcanic center at Eureka, Nevada","docAbstract":"<p>A volcanic center covering an area of about 80 km<sup>2</sup> near Eureka, Nev., and active in the early Oligocene, is characterized by rhyolitic, rhyodacitic. and andesitic pyroclastic rocks, lava flows, and shallow intrusive bodies. These rocks were emplaced as intertonguing and interpenetrative units during a 5-m.y. interval; most of the volcanism was in the last 3 million years of this period (36 to 33 m.y. ago).</p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","usgsCitation":"Blake, M., McKee, E., Marvin, R.F., Silberman, M.L., and Nolan, T.B., 1975, The Oligocene volcanic center at Eureka, Nevada: Journal of Research of the U.S. Geological Survey, v. 3, no. 5, p. 605-612.","productDescription":"8 p.","startPage":"605","endPage":"612","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"links":[{"id":307367,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":307366,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/journal/1975/vol3issue5/report.pdf","text":"Report","size":"20.87","linkFileType":{"id":1,"text":"pdf"},"description":"Report"}],"country":"United States","state":"Nevada","city":"Eureka","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -116,\n              39.3\n            ],\n            [\n              -116,\n              39.7\n            ],\n            [\n              -115,\n              39.7\n            ],\n            [\n              -115,\n              39.3\n            ],\n            [\n              -116,\n              39.3\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"3","issue":"5","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"55dd91bfe4b0518e354dd1cb","contributors":{"authors":[{"text":"Blake, M.C. Jr.","contributorId":27094,"corporation":false,"usgs":true,"family":"Blake","given":"M.C.","suffix":"Jr.","affiliations":[],"preferred":false,"id":569658,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"McKee, E.H.","contributorId":20736,"corporation":false,"usgs":true,"family":"McKee","given":"E.H.","email":"","affiliations":[],"preferred":false,"id":569659,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Marvin, Richard F.","contributorId":23125,"corporation":false,"usgs":true,"family":"Marvin","given":"Richard","email":"","middleInitial":"F.","affiliations":[],"preferred":false,"id":569660,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Silberman, Miles L.","contributorId":23947,"corporation":false,"usgs":true,"family":"Silberman","given":"Miles","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":569661,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Nolan, Thomas B.","contributorId":102477,"corporation":false,"usgs":true,"family":"Nolan","given":"Thomas","email":"","middleInitial":"B.","affiliations":[],"preferred":false,"id":569662,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70156585,"text":"70156585 - 1975 - Silica mineralogy and structure of the Monterey Shale, Temblor Range, California","interactions":[],"lastModifiedDate":"2019-11-12T15:25:38","indexId":"70156585","displayToPublicDate":"1975-10-28T17:00:00","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":"Silica mineralogy and structure of the Monterey Shale, Temblor Range, California","docAbstract":"<p>The <i>d</i>(101) spacing of diagenetic cristobalite decreases regularly with depth of burial in the siliceous Monterey Shale of the Temblor Range. This relation has been used to delineate the folded structure of the Monterey Shale at a locality near Taft.</p>","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","usgsCitation":"Murata, K.J., and Randall, R., 1975, Silica mineralogy and structure of the Monterey Shale, Temblor Range, California: Journal of Research of the U.S. Geological Survey, v. 3, no. 5, p. 567-572.","productDescription":"6 p.","startPage":"567","endPage":"572","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":307348,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":307347,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/journal/1975/vol3issue5/report.pdf","text":"Report","size":"20.87 MB","linkFileType":{"id":1,"text":"pdf"},"description":"Report"}],"country":"United States","state":"California","city":"Taft","otherGeospatial":"Temblor Range, Chico Martinez Creek","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -120.63262939453124,\n              34.93323032184192\n            ],\n            [\n              -118.88305664062499,\n              34.93323032184192\n            ],\n            [\n              -118.88305664062499,\n              36.30627216957992\n            ],\n            [\n              -120.63262939453124,\n              36.30627216957992\n            ],\n            [\n              -120.63262939453124,\n              34.93323032184192\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"3","issue":"5","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"55dc4031e4b0518e354d1122","contributors":{"authors":[{"text":"Murata, K. J.","contributorId":18759,"corporation":false,"usgs":true,"family":"Murata","given":"K.","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":569591,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Randall, R.G.","contributorId":146957,"corporation":false,"usgs":true,"family":"Randall","given":"R.G.","email":"","affiliations":[],"preferred":false,"id":569592,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":1001660,"text":"1001660 - 1975 - Habitat use and home range of mallards breeding in Minnesota","interactions":[],"lastModifiedDate":"2025-02-26T22:27:24.539087","indexId":"1001660","displayToPublicDate":"1975-10-03T00:00:00","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":"Habitat use and home range of mallards breeding in Minnesota","docAbstract":"<p>Telemetry techniques were used to study habitat use and home range of 12 drake and 12 hen mallards (<i>Anas platyrhynchos</i>) in the forested region of north-central Minnesota during the 1968-72 breeding seasons. Circumneutral bogs and seasonal wetlands were the most frequently used communities; the lakeshore communities most used were sand-gravel, overhanging brush, and bog mat. Based on the availability of habitat, the highest preference shown was for the seasonal community and the least for the softwood swamp; however, all communities were used to some extent during the breeding season. Lakeshore was always among the habitats most frequently used by pairs. Twelve nest were found, nine in nonpermanent wetlands and three in upland forest sites. Mean home range was 210 ha for hens and 240 ha for drakes. The long axis of the home ranges of drakes and hens averaged 2.8 and 2.7 km, respectively. Hens had smaller home ranges during the laying period (<span>x̄</span> = 70 ha) than during prenesting (<span>x̄</span> = 135 ha).</p>","language":"English","publisher":"Wiley","doi":"10.2307/3800242","usgsCitation":"Gilmer, D., Ball, I., Cowardin, L., Riechmann, J., and Tester, J., 1975, Habitat use and home range of mallards breeding in Minnesota: Journal of Wildlife Management, v. 39, no. 4, p. 781-789, https://doi.org/10.2307/3800242.","productDescription":"9 p.","startPage":"781","endPage":"789","costCenters":[{"id":480,"text":"Northern Prairie Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":133934,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Minnesota","county":"Beltrami County","otherGeospatial":"Chippewa National Forest","geographicExtents":"{\"type\":\"FeatureCollection\",\"features\":[{\"type\":\"Feature\",\"geometry\":{\"type\":\"Polygon\",\"coordinates\":[[[-95.3426,48.5423],[-95.2786,48.5418],[-95.2132,48.5417],[-95.2135,48.5269],[-95.212,48.3691],[-95.1434,48.3694],[-95.1224,48.3697],[-95.0355,48.3697],[-95.0138,48.37],[-94.4311,48.3704],[-94.427,48.37],[-94.4213,48.0173],[-94.4173,48.0169],[-94.4182,47.846],[-94.4171,47.7144],[-94.4202,47.6012],[-94.4174,47.5929],[-94.4166,47.5414],[-94.416,47.4453],[-94.4162,47.4104],[-94.5941,47.4104],[-94.6711,47.4103],[-94.6911,47.4106],[-95.1817,47.4124],[-95.1858,47.6763],[-95.1958,47.6721],[-95.1952,47.8033],[-95.1957,47.8732],[-95.251,47.8843],[-95.2705,47.9038],[-95.2784,47.9302],[-95.2719,47.9614],[-95.2558,47.9882],[-95.2554,47.99],[-95.2252,48.0217],[-95.5825,48.0219],[-95.5899,48.0218],[-95.5928,48.1729],[-95.5921,48.1941],[-95.5936,48.3671],[-95.6018,48.367],[-95.6027,48.5405],[-95.3426,48.5423]]]},\"properties\":{\"name\":\"Beltrami\",\"state\":\"MN\"}}]}","volume":"39","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a7ee4b07f02db64861b","contributors":{"authors":[{"text":"Gilmer, D.S.","contributorId":22270,"corporation":false,"usgs":true,"family":"Gilmer","given":"D.S.","email":"","affiliations":[],"preferred":false,"id":311460,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Ball, I.J.","contributorId":104427,"corporation":false,"usgs":true,"family":"Ball","given":"I.J.","affiliations":[],"preferred":false,"id":311462,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Cowardin, L.M.","contributorId":106435,"corporation":false,"usgs":true,"family":"Cowardin","given":"L.M.","email":"","affiliations":[],"preferred":false,"id":311463,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Riechmann, John","contributorId":90689,"corporation":false,"usgs":true,"family":"Riechmann","given":"John","affiliations":[],"preferred":false,"id":311461,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Tester, J.R.","contributorId":70510,"corporation":false,"usgs":true,"family":"Tester","given":"J.R.","email":"","affiliations":[],"preferred":false,"id":928777,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":1003479,"text":"1003479 - 1975 - Long-term effects of 4-aminopyridine exposure to birds and fish","interactions":[],"lastModifiedDate":"2025-02-26T22:20:30.546308","indexId":"1003479","displayToPublicDate":"1975-10-03T00:00:00","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":"Long-term effects of 4-aminopyridine exposure to birds and fish","docAbstract":"<p>The avian frightening agent, 4-aminopyridine (4AP), was tested on five avian and two fish species to assess the effects of long-term 4AP exposure to nontarget vertebrates. Adult bobwhites (<i>Colinus virginianus</i>), mourning doves (<i>Zenaida macroura</i>), and ring-necked pheasants (<i>Phasianus colchicus</i>) were fed diets containing 3 percent 4AP-treated cracked corn diluted with various ratios of untreated corn for 7 to 35 days. Minimum dilution ratios that produced more than 50 percent mortality were 1:29 for bobwhites and 1:99 for doves. Mortality caused by 4AP could not be determined for pheasants because of their inability to subsist only on corn during the test periods. LCso's were determined for doves (316 ppm) and coturnix quail (<i>Coturnix coturnix</i>) (479 ppm) fed exclusively on uniformly treated laboratory rations for 28 to 40 days. Starlings (<i>Sturnus vulgaris</i>) treated by gavage daily for 25 days with 1.78 mg/kg 4AP showed no intoxication symptoms. Mortality in all avian species appeared to be the result of acute poisoning, and no evidence of cumulative toxicity was noted in species fed uniformly-treated rations. In 96-hour static tests, channel catfish (<i>Ictalurus punctatus</i>) and bluegill (Lepomis macrochirus) showed increasing sensitivity to 4AP with time in test waters ranging from very soft to very hard and from 12 to 22 C. The 96-hour LC<sub>50</sub>'s for both species ranged from 2.43 to 7.56 mg/liter (ppm). Toxicity appeared to decrease with increasing water temperatures but was generally unaffected by water hardness. On the basis of the data presented, and the currently registered application rate for 4AP in agricultural crops (0.34 g/ha), long-term hazards to nontarget wildlife were judged to be minimal.</p>","language":"English","publisher":"Wiley","doi":"10.2307/3800246","usgsCitation":"Schafer, E., and Marking, L.L., 1975, Long-term effects of 4-aminopyridine exposure to birds and fish: Journal of Wildlife Management, v. 39, no. 4, p. 807-811, https://doi.org/10.2307/3800246.","productDescription":"5 p.","startPage":"807","endPage":"811","costCenters":[{"id":606,"text":"Upper Midwest Environmental Sciences Center","active":true,"usgs":true}],"links":[{"id":487151,"rank":2,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.2307/3800246","text":"Publisher Index Page"},{"id":198542,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Colorado","otherGeospatial":"Denver Wildlife Center","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -105.00791192324618,\n              39.960319366388546\n            ],\n            [\n              -105.00791192324618,\n              39.70676592662295\n            ],\n            [\n              -104.62158442807991,\n              39.70676592662295\n            ],\n            [\n              -104.62158442807991,\n              39.960319366388546\n            ],\n            [\n              -105.00791192324618,\n              39.960319366388546\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    }\n  ]\n}","volume":"39","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a6de4b07f02db63edf0","contributors":{"authors":[{"text":"Schafer, E.W.","contributorId":35848,"corporation":false,"usgs":true,"family":"Schafer","given":"E.W.","email":"","affiliations":[],"preferred":false,"id":313364,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Marking, L. L.","contributorId":90661,"corporation":false,"usgs":true,"family":"Marking","given":"L.","middleInitial":"L.","affiliations":[],"preferred":false,"id":313365,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":5222346,"text":"5222346 - 1975 - Optimal exploitation strategies for an animal population in a Markovian environment:  A theory and an example","interactions":[],"lastModifiedDate":"2023-12-18T17:48:47.180653","indexId":"5222346","displayToPublicDate":"1975-10-01T12:17:59","publicationYear":"1975","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1465,"text":"Ecology","active":true,"publicationSubtype":{"id":10}},"title":"Optimal exploitation strategies for an animal population in a Markovian environment:  A theory and an example","docAbstract":"<p><span>Optimal exploitation strategies were studied for an animal population in a Markovian (stochastic, serially correlated) environment. This is a general case and encompasses a number of important special cases as simplifications. Extensive empirical data on the Mallard (Anas platyrhynchos) were used as an example of general theory. The number of small ponds on the central breeding grounds was used as an index to the state of the environment. A general mathematical model was formulated to provide a synthesis of the existing literature, estimates of parameters developed from an analysis of data, and hypotheses regarding the specific effect of exploitation on total survival. The literature and analysis of data were inconclusive concerning the effect of exploitation on survival. Therefore, two hypotheses were explored: (1) exploitation mortality represents a largely additive form of mortality, and (2) exploitation mortality is compensatory with other forms of mortality, at least to some threshold level. Models incorporating these two hypotheses were formulated as stochastic dynamic programming models and optimal exploitation strategies were derived numerically on a digital computer. Optimal exploitation strategies were found to exist under the rather general conditions. Direct feedback control was an integral component in the optimal decision—making process. Optimal exploitation was found to be substantially different depending upon the hypothesis regarding the effect of exploitation on the population. If we assume that exploitation is largely an additive force of mortality in Mallards, then optimal exploitation decisions are a convex function of the size of the breeding population and a linear or slight concave function of the environmental conditions. Under the hypothesis of compensatory mortality forces, optimal exploitation decisions are approximately linearly related to the size of the Mallard breeding population. Dynamic programming is suggested as a very general formulation for realistic solutions to the general optimal exploitation problem. The concepts of state vectors and stage transformations are completely general. Populations can be modeled stochastically and the objective function can include extra—biological factors. The optimal level of exploitation in year t must be based on the observed size of the population and the state of the environment in year t unless the dynamics of the population, the state of the environment, and the result of the exploitation decisions are completely deterministic. Exploitation based on an average harvest, or harvest rate, or designed to maintain a constant breeding population size is inefficient.</span></p>","language":"English","publisher":"Ecological Society of America","doi":"10.2307/1934697","usgsCitation":"Anderson, D.R., 1975, Optimal exploitation strategies for an animal population in a Markovian environment:  A theory and an example: Ecology, v. 56, no. 6, p. 1281-1297, https://doi.org/10.2307/1934697.","productDescription":"17 p.","startPage":"1281","endPage":"1297","numberOfPages":"17","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":194314,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"56","issue":"6","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4aefe4b07f02db6913dc","contributors":{"authors":[{"text":"Anderson, David R.","contributorId":92722,"corporation":false,"usgs":true,"family":"Anderson","given":"David","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":336123,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":5221112,"text":"5221112 - 1975 - Disproportionate sex ratios of wolf pups","interactions":[],"lastModifiedDate":"2025-02-18T18:31:08.147401","indexId":"5221112","displayToPublicDate":"1975-10-01T12:17:51","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":"Disproportionate sex ratios of wolf pups","docAbstract":"<p>Males comprised 66 percent of wild wolf (<i>Canis lupus</i>) pups from a saturated, high-density wolf range in northeastern Minnesota, possibly reflecting disproportionate conception of males. Packs from areas of lower wolf density in other areas of Minnesota had equal sex ratios of pups or a disproportionate number of female pups. Captive wolves showed a slight preponderance of male pups.</p>","language":"English","publisher":"Wiley","doi":"10.2307/3800235","usgsCitation":"Mech, L., 1975, Disproportionate sex ratios of wolf pups: Journal of Wildlife Management, v. 39, no. 4, p. 737-740, https://doi.org/10.2307/3800235.","productDescription":"4 p.","startPage":"737","endPage":"740","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":194094,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United 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,{"id":70199714,"text":"70199714 - 1975 - New tritium data on movement of groundwater in western Fresno County, California","interactions":[],"lastModifiedDate":"2019-03-07T13:48:21","indexId":"70199714","displayToPublicDate":"1975-10-01T10:19:59","publicationYear":"1975","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3722,"text":"Water Resources Research","onlineIssn":"1944-7973","printIssn":"0043-1397","active":true,"publicationSubtype":{"id":10}},"title":"New tritium data on movement of groundwater in western Fresno County, California","docAbstract":"<p><span>Well waters along two traverse lines were sampled in 1963 and tested for tritium concentration.&nbsp;</span><i>Haskell et al</i><span>. [1966] estimated from the apparent thermonuclear tritium concentrations that groundwater had moved westward in the lower water‐bearing zone at a maximum velocity of 14–16.5 mi (23–27 km) in 9 yr. The maximum velocities and permeabilities estimated from the 1963 sampling were about an order of magnitude greater than the velocities and permeabilities suggested by prior hydrologic and geologic evidence. Consequently, in 1966–1970 the U.S. Geological Survey sampled and tested the tritium concentrations of well waters along the same two traverses but also extended the sampling eastward. On the basis of these analyses it is concluded that (1) thermonuclear tritium had not invaded the lower zone by 1970 within the extent of the 1963 sampling and (2) although the maximum westward movement of groundwater in the lower zone from 1955 to 1970 is indeterminate, it has been less than 4 mi (6.5 km) from the recharge area in 15 yr.</span></p>","language":"English","publisher":"American Geophysical Union","doi":"10.1029/WR011i005p00716","usgsCitation":"Poland, J.F., and Stewart, G.L., 1975, New tritium data on movement of groundwater in western Fresno County, California: Water Resources Research, v. 11, no. 5, p. 716-724, https://doi.org/10.1029/WR011i005p00716.","productDescription":"9 p.","startPage":"716","endPage":"724","costCenters":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"links":[{"id":357804,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"California","county":"Fresno County","volume":"11","issue":"5","noUsgsAuthors":false,"publicationDate":"2010-07-09","publicationStatus":"PW","contributors":{"authors":[{"text":"Poland, Joseph Fairfield","contributorId":39423,"corporation":false,"usgs":true,"family":"Poland","given":"Joseph","email":"","middleInitial":"Fairfield","affiliations":[],"preferred":false,"id":746304,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Stewart, Gordon L.","contributorId":208191,"corporation":false,"usgs":false,"family":"Stewart","given":"Gordon","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":746305,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":1014255,"text":"1014255 - 1975 - Whirling disease (Myxosoma cerebralis): Control with ultraviolet irradiation and effect on fish","interactions":[],"lastModifiedDate":"2025-04-07T16:21:45.424196","indexId":"1014255","displayToPublicDate":"1975-10-01T00:00:00","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":"Whirling disease (Myxosoma cerebralis): Control with ultraviolet irradiation and effect on fish","docAbstract":"<p><span>Water contaminated by&nbsp;</span><i>Myxosoma cerebralis</i><span>&nbsp;was disinfected with ultraviolet irradition to control whirling disease. Irradiation at 18,000 microwatt seconds/cm</span><sup>2</sup><span>&nbsp;(MWS/cm</span><sup>2</sup><span>) reduced infectivity of&nbsp;</span><i>M. cerebralis</i><span>&nbsp;by 31-86% and 27,650 MWS/cm</span><sup>3</sup><span>&nbsp;reduced infectivity by 86-100%, even in the presence of a small amount of silt.</span></p>","language":"English","publisher":"Wildlife Disease Association","doi":"10.7589/0090-3558-11.4.505","usgsCitation":"Hoffman, G.L., 1975, Whirling disease (Myxosoma cerebralis): Control with ultraviolet irradiation and effect on fish: Journal of Wildlife Diseases, v. 11, no. 4, p. 505-507, https://doi.org/10.7589/0090-3558-11.4.505.","productDescription":"3 p.","startPage":"505","endPage":"507","costCenters":[{"id":365,"text":"Leetown Science Center","active":true,"usgs":true}],"links":[{"id":486853,"rank":2,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.7589/0090-3558-11.4.505","text":"Publisher Index Page"},{"id":131865,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"11","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49e1e4b07f02db5e48fe","contributors":{"authors":[{"text":"Hoffman, G. L.","contributorId":70713,"corporation":false,"usgs":true,"family":"Hoffman","given":"G.","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":320061,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70206932,"text":"70206932 - 1975 - The scientific referee","interactions":[],"lastModifiedDate":"2019-11-27T17:18:00","indexId":"70206932","displayToPublicDate":"1975-09-30T17:14:08","publicationYear":"1975","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":5894,"text":"IEEE Transactions on Professional Communication","active":true,"publicationSubtype":{"id":10}},"title":"The scientific referee","docAbstract":"<p><span>In the May 1973 issue of EOS, I criticized tendencies in earth science periodicals to discourage referee anonymity. I stressed that exposing referees to unnecessary personal and subjective influences tended to degrade standards of quality and promoted cliques, fragmentation, superspecialization, and proliferation of scientific literature. Generally speaking, division of opinion on this question, based on letters and personal contacts since 1973, has tended (with notable exceptions) to divide along two lines: the “wise old heads” favor anonymity, whereas many young idealists favor openness. Referees can help keep literature standards high (there is no evidence that they can or do thwart new ideas, determinedly pushed). but they can do little to stop literature proliferation, If individuals do scientific work, they may as well publish of not do it at all. The only real solutions to literature proliferation are fewer scientists or a drastic paper shortage, as experienced in Bulgaria.</span></p>","language":"English","publisher":"IEEE","doi":"10.1109/TPC.1975.6591187","usgsCitation":"Manheim, F.T., 1975, The scientific referee: IEEE Transactions on Professional Communication, v. PC-18, p. 190-195, https://doi.org/10.1109/TPC.1975.6591187.","productDescription":"6 p.","startPage":"190","endPage":"195","costCenters":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"links":[{"id":369763,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"PC-18","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Manheim, Frank T. 0000-0003-4005-4524","orcid":"https://orcid.org/0000-0003-4005-4524","contributorId":20770,"corporation":false,"usgs":true,"family":"Manheim","given":"Frank","email":"","middleInitial":"T.","affiliations":[],"preferred":false,"id":776294,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":13267,"text":"ofr75403 - 1975 - Maximum stages and discharges of small streams in Indiana","interactions":[],"lastModifiedDate":"2022-06-03T18:09:04.053781","indexId":"ofr75403","displayToPublicDate":"1975-09-01T00:00:00","publicationYear":"1975","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"75-403","title":"Maximum stages and discharges of small streams in Indiana","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr75403","collaboration":"Prepared in cooperation with Indiana State Highway Commission and U.S. Department of Transportation, Federal Highway Administration","usgsCitation":"Davis, L., and Horner, R., 1975, Maximum stages and discharges of small streams in Indiana: U.S. Geological Survey Open-File 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