{"pageNumber":"434","pageRowStart":"10825","pageSize":"25","recordCount":11370,"records":[{"id":70210475,"text":"70210475 - 1949 - The Driftwood anticline","interactions":[],"lastModifiedDate":"2022-05-31T20:20:27.052431","indexId":"70210475","displayToPublicDate":"2022-03-03T16:46:19","publicationYear":"1949","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":6,"text":"USGS Unnumbered Series"},"seriesTitle":{"id":5963,"text":"Geological Investigations, Naval Petroleum Reserve No. 4, Alaska","active":false,"publicationSubtype":{"id":6}},"seriesNumber":"9","subseriesTitle":"Special Report","title":"The Driftwood anticline","docAbstract":"<p>Recent interest in the anticlines near the headwaters of the Utukok River has prompted the issuance of two special reports. This, the first of the two reports, deals with the Driftwood anticlines, the second will consider the Awuna anticline and the western part of the Carbon Creek anticline.</p><p>At present, only trimetrogon photography is available in this area. This limits the accuracy and completeness of the photographic studies. Vertical photos were flown this summer but they will probably not be available for study before the November meeting. At such time as they are retrieved a more thorough photo investigation will be made.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/70210475","usgsCitation":"Fischer, W., 1949, The Driftwood anticline: Geological Investigations, Naval Petroleum Reserve No. 4, Alaska 9, Report: 4 p.; 1 Plate: 37.64 x 14.30 inches, https://doi.org/10.3133/70210475.","productDescription":"Report: 4 p.; 1 Plate: 37.64 x 14.30 inches","costCenters":[],"links":[{"id":396733,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/unnumbered/70210475/report-thumb.jpg"},{"id":375345,"rank":1,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_74625.htm","linkFileType":{"id":5,"text":"html"}},{"id":401309,"rank":3,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/unnumbered/70210475/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":401310,"rank":4,"type":{"id":29,"text":"Figure"},"url":"https://pubs.usgs.gov/unnumbered/70210475/figure-1.pdf","text":"Figure 1","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States","state":"Alaska","otherGeospatial":"Driftwood anticline","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -161.4167,\n              68.8333\n            ],\n            [\n              -160.65,\n              68.8333\n            ],\n            [\n              -160.65,\n              68.8833\n            ],\n            [\n              -161.4167,\n              68.8833\n            ],\n            [\n              -161.4167,\n              68.8333\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Fischer, William A.","contributorId":47787,"corporation":false,"usgs":true,"family":"Fischer","given":"William A.","affiliations":[{"id":595,"text":"U.S. Geological Survey","active":false,"usgs":true}],"preferred":false,"id":837181,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":14613,"text":"ofr49127 - 1949 - Preliminary report on water-power resources of Little Susitna River and Cottonwood Creek, Alaska","interactions":[],"lastModifiedDate":"2012-02-02T00:07:07","indexId":"ofr49127","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1949","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":"49-127","title":"Preliminary report on water-power resources of Little Susitna River and Cottonwood Creek, Alaska","language":"ENGLISH","publisher":"[s.n.],","doi":"10.3133/ofr49127","usgsCitation":"Lawrence, F., 1949, Preliminary report on water-power resources of Little Susitna River and Cottonwood Creek, Alaska: U.S. Geological Survey Open-File Report 49-127, 24 leaves :ill., col. map ;29 cm., https://doi.org/10.3133/ofr49127.","productDescription":"24 leaves :ill., col. map ;29 cm.","costCenters":[],"links":[{"id":111177,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://www.dggs.dnr.state.ak.us/pubs/id/10514","linkFileType":{"id":5,"text":"html"}},{"id":148926,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4aaee4b07f02db66c764","contributors":{"authors":[{"text":"Lawrence, Fred F.","contributorId":51282,"corporation":false,"usgs":true,"family":"Lawrence","given":"Fred F.","affiliations":[],"preferred":false,"id":169739,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":3560,"text":"cir42 - 1949 - Preliminary report of permafrost investigations in the Dunbar area, Alaska","interactions":[],"lastModifiedDate":"2012-02-02T00:05:21","indexId":"cir42","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1949","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":307,"text":"Circular","code":"CIR","onlineIssn":"2330-5703","printIssn":"1067-084X","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"42","title":"Preliminary report of permafrost investigations in the Dunbar area, Alaska","language":"ENGLISH","publisher":"[U.S. Geological Survey],","doi":"10.3133/cir42","usgsCitation":"Pewe, T.L., 1949, Preliminary report of permafrost investigations in the Dunbar area, Alaska: U.S. Geological Survey Circular 42, 3 p. :illus. ;27 cm., https://doi.org/10.3133/cir42.","productDescription":"3 p. :illus. ;27 cm.","costCenters":[],"links":[{"id":117790,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/circ/1949/0042/report-thumb.jpg"},{"id":30580,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/circ/1949/0042/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4aafe4b07f02db66cbe4","contributors":{"authors":[{"text":"Pewe, Troy Lewis","contributorId":80654,"corporation":false,"usgs":true,"family":"Pewe","given":"Troy","email":"","middleInitial":"Lewis","affiliations":[],"preferred":false,"id":147159,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":23481,"text":"ofr4913 - 1949 - Preliminary report on water-power resources of Power Creek near Cordova, Alaska","interactions":[],"lastModifiedDate":"2012-02-02T00:08:15","indexId":"ofr4913","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1949","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":"49-13","title":"Preliminary report on water-power resources of Power Creek near Cordova, Alaska","language":"ENGLISH","publisher":"U.S. Dept. of the Interior, Geological Survey,","doi":"10.3133/ofr4913","issn":"0094-9140","usgsCitation":"Johnson, A., 1949, Preliminary report on water-power resources of Power Creek near Cordova, Alaska: U.S. Geological Survey Open-File Report 49-13, 37 p. ill., maps, photos. ;28 cm., https://doi.org/10.3133/ofr4913.","productDescription":"37 p. ill., maps, photos. ;28 cm.","costCenters":[],"links":[{"id":156870,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1949/0013/report-thumb.jpg"},{"id":52785,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1949/0013/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4aaee4b07f02db66c769","contributors":{"authors":[{"text":"Johnson, Arthur","contributorId":76720,"corporation":false,"usgs":true,"family":"Johnson","given":"Arthur","affiliations":[],"preferred":false,"id":190179,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":71959,"text":"tei42_1 - 1949 - Short contributions to Alaskan trace element studies 1946 : Part I: Trace elements investigations in the Grant Creek area, Yukon region, Alaska","interactions":[],"lastModifiedDate":"2012-02-02T00:14:02","indexId":"tei42_1","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1949","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":337,"text":"Trace Elements Investigations","code":"TEI","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"42-1","title":"Short contributions to Alaskan trace element studies 1946 : Part I: Trace elements investigations in the Grant Creek area, Yukon region, Alaska","language":"ENGLISH","doi":"10.3133/tei42_1","usgsCitation":"Killeen, P., and White, M., 1949, Short contributions to Alaskan trace element studies 1946 : Part I: Trace elements investigations in the Grant Creek area, Yukon region, Alaska: U.S. Geological Survey Trace Elements Investigations 42-1, 10 p., https://doi.org/10.3133/tei42_1.","productDescription":"10 p.","costCenters":[],"links":[{"id":193215,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/tei/042-1/report-thumb.jpg"},{"id":91047,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/tei/042-1/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49fae4b07f02db5f3f70","contributors":{"authors":[{"text":"Killeen, P.L.","contributorId":69959,"corporation":false,"usgs":true,"family":"Killeen","given":"P.L.","email":"","affiliations":[],"preferred":false,"id":284917,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"White, M.C.","contributorId":101334,"corporation":false,"usgs":true,"family":"White","given":"M.C.","email":"","affiliations":[],"preferred":false,"id":284918,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":36062,"text":"b963A - 1949 - Some mineral investigations in southeastern Alaska","interactions":[{"subject":{"id":55236,"text":"ofr4489 - 1944 - The zinc deposits of the Lucky Boy claims, Dora Lake, Prince of Wales Island, southeastern Alaska","indexId":"ofr4489","publicationYear":"1944","noYear":false,"title":"The zinc deposits of the Lucky Boy claims, Dora Lake, Prince of Wales Island, southeastern Alaska"},"predicate":"SUPERSEDED_BY","object":{"id":36062,"text":"b963A - 1949 - Some mineral investigations in southeastern Alaska","indexId":"b963A","publicationYear":"1949","noYear":false,"chapter":"A","title":"Some mineral investigations in southeastern Alaska"},"id":1},{"subject":{"id":55238,"text":"ofr4488 - 1944 - Zinc-copper deposits near Moth Bay, Revillagigedo Island, southeastern Alaska","indexId":"ofr4488","publicationYear":"1944","noYear":false,"title":"Zinc-copper deposits near Moth Bay, Revillagigedo Island, southeastern Alaska"},"predicate":"SUPERSEDED_BY","object":{"id":36062,"text":"b963A - 1949 - Some mineral investigations in southeastern Alaska","indexId":"b963A","publicationYear":"1949","noYear":false,"chapter":"A","title":"Some mineral investigations in southeastern Alaska"},"id":2},{"subject":{"id":55266,"text":"ofr43100 - 1943 - Caamano Point antimony deposit, Cleveland Peninsula, southeastern Alaska","indexId":"ofr43100","publicationYear":"1943","noYear":false,"title":"Caamano Point antimony deposit, Cleveland Peninsula, southeastern Alaska"},"predicate":"SUPERSEDED_BY","object":{"id":36062,"text":"b963A - 1949 - Some mineral investigations in southeastern Alaska","indexId":"b963A","publicationYear":"1949","noYear":false,"chapter":"A","title":"Some mineral investigations in southeastern Alaska"},"id":3}],"lastModifiedDate":"2012-02-02T00:09:43","indexId":"b963A","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1949","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":306,"text":"Bulletin","code":"B","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"963","chapter":"A","title":"Some mineral investigations in southeastern Alaska","language":"ENGLISH","publisher":"U.S. Govt. Print. Off.,","doi":"10.3133/b963A","usgsCitation":"Twenhofel, W.S., Reed, J., and Gates, G., 1949, Some mineral investigations in southeastern Alaska: U.S. Geological Survey Bulletin 963, p. 1-45, :illus., maps (part in pocket) ;24 cm., https://doi.org/10.3133/b963A.","productDescription":"p. 1-45, :illus., maps (part in pocket) ;24 cm.","costCenters":[],"links":[{"id":97196,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/bul/0963a/report.pdf","size":"3327","linkFileType":{"id":1,"text":"pdf"}},{"id":97197,"rank":400,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/bul/0963a/plate-1.pdf","size":"726","linkFileType":{"id":1,"text":"pdf"}},{"id":97198,"rank":401,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/bul/0963a/plate-2.pdf","size":"76","linkFileType":{"id":1,"text":"pdf"}},{"id":166240,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/bul/0963a/report-thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b32e4b07f02db6b441a","contributors":{"authors":[{"text":"Twenhofel, William Stephens","contributorId":15597,"corporation":false,"usgs":true,"family":"Twenhofel","given":"William","email":"","middleInitial":"Stephens","affiliations":[],"preferred":false,"id":215704,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Reed, John C. jreed@usgs.gov","contributorId":1259,"corporation":false,"usgs":true,"family":"Reed","given":"John C.","email":"jreed@usgs.gov","affiliations":[],"preferred":true,"id":215702,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Gates, G.O.","contributorId":6511,"corporation":false,"usgs":true,"family":"Gates","given":"G.O.","email":"","affiliations":[],"preferred":false,"id":215703,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":71852,"text":"tei39 - 1949 - Trace elements investigations in the Serpentine-Kougarok area, Seward Peninsula, Alaska","interactions":[],"lastModifiedDate":"2012-02-02T00:14:03","indexId":"tei39","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1949","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":337,"text":"Trace Elements Investigations","code":"TEI","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"39","title":"Trace elements investigations in the Serpentine-Kougarok area, Seward Peninsula, Alaska","language":"ENGLISH","doi":"10.3133/tei39","usgsCitation":"Moxham, R., and West, W., 1949, Trace elements investigations in the Serpentine-Kougarok area, Seward Peninsula, Alaska: U.S. Geological Survey Trace Elements Investigations 39, 35 p., 2 fig. in pocket, https://doi.org/10.3133/tei39.","productDescription":"35 p., 2 fig. in pocket","costCenters":[],"links":[{"id":193181,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/tei/039/report-thumb.jpg"},{"id":91033,"rank":400,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/tei/039/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":91034,"rank":401,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/tei/039/plate-2.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":91035,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/tei/039/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a4ee4b07f02db627e8d","contributors":{"authors":[{"text":"Moxham, R.M.","contributorId":42234,"corporation":false,"usgs":true,"family":"Moxham","given":"R.M.","email":"","affiliations":[],"preferred":false,"id":284836,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"West, W.S.","contributorId":30609,"corporation":false,"usgs":true,"family":"West","given":"W.S.","email":"","affiliations":[],"preferred":false,"id":284835,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":68947,"text":"om95 - 1949 - Geology of the Iniskin Peninsula, Alaska","interactions":[],"lastModifiedDate":"2019-12-30T16:02:03","indexId":"om95","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1949","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":329,"text":"Oil and Gas Investigation Map","code":"OM","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"95","title":"Geology of the Iniskin Peninsula, Alaska","docAbstract":"<p>No abstract available.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/om95","usgsCitation":"Kirschner, C., and Minard, D., 1949, Geology of the Iniskin Peninsula, Alaska: U.S. Geological Survey Oil and Gas Investigation Map 95, HTML, https://doi.org/10.3133/om95.","productDescription":"HTML","costCenters":[],"links":[{"id":191418,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":105080,"rank":700,"type":{"id":15,"text":"Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_5458.htm","linkFileType":{"id":5,"text":"html"},"description":"5458"}],"scale":"48000","country":"United States","state":"Alaska","otherGeospatial":"Iniskin Peninsula","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -154.51171875,\n              58.56252272853734\n            ],\n            [\n              -153.21533203125,\n              58.56252272853734\n            ],\n            [\n              -153.21533203125,\n              59.130863097255904\n            ],\n            [\n              -154.51171875,\n              59.130863097255904\n            ],\n            [\n              -154.51171875,\n              58.56252272853734\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4acee4b07f02db67fe99","contributors":{"authors":[{"text":"Kirschner, C.E.","contributorId":81107,"corporation":false,"usgs":true,"family":"Kirschner","given":"C.E.","email":"","affiliations":[],"preferred":false,"id":279265,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Minard, D.L.","contributorId":73685,"corporation":false,"usgs":true,"family":"Minard","given":"D.L.","email":"","affiliations":[],"preferred":false,"id":279264,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":50894,"text":"ofr4920 - 1949 - Coal investigations on the southern margin of the Homer district, Kenai coal field, Alaska, in 1947-48","interactions":[{"subject":{"id":50894,"text":"ofr4920 - 1949 - Coal investigations on the southern margin of the Homer district, Kenai coal field, Alaska, in 1947-48","indexId":"ofr4920","publicationYear":"1949","noYear":false,"title":"Coal investigations on the southern margin of the Homer district, Kenai coal field, Alaska, in 1947-48"},"predicate":"SUPERSEDED_BY","object":{"id":33717,"text":"b963E - 1951 - Coal investigations in south-central Alaska, 1944-46","indexId":"b963E","publicationYear":"1951","noYear":false,"chapter":"E","title":"Coal investigations in south-central Alaska, 1944-46"},"id":1}],"supersededBy":{"id":33717,"text":"b963E - 1951 - Coal investigations in south-central Alaska, 1944-46","indexId":"b963E","publicationYear":"1951","noYear":false,"title":"Coal investigations in south-central Alaska, 1944-46"},"lastModifiedDate":"2023-07-10T16:57:43.537794","indexId":"ofr4920","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1949","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":"49-20","title":"Coal investigations on the southern margin of the Homer district, Kenai coal field, Alaska, in 1947-48","docAbstract":"<p>The presence of coal in the Tertiary Kenai formation of western Kenai Peninsula has been known since 1880, chiefly as exposed along the north shore of Kachemak Bay and the adjoining east shore of Cook Inlet (fig. 1). Several early attempts were made to develop a commercial mine in this area in the period 1888-1902 but none progressed beyond the prospecting stage and little coal was produced. In 1915 the mining of coal-was started at the Bluff Point mine, 1 1/2 miles west of Homer. Available records indicate that this mine produced between 20,000 and 25,000 tons of coal before closing in 1324. No further attempt at mining was made until 1946, when the Homer Coal Corporation began development near the site of the old Bluff Point mine. Development work during 1946 and 1947 included construction of a truck-loading bunker, mess hail, bunkhouse, and an incline end hoist for raising coal from the tunnel in the face of the beach bluff. Only a small amount of underground work was done in 1946 and 1947, and practically none in 1948.</p><p>A preliminary step toward more extended investigation of the coal deposits of the Homer district was made by the writer, accompanied by T. J. Jolley of the U. S. Bureau of Mines, in the summer of 1946. Several days were spent in examining the principal coal exposures near Homer and collecting samples to determine the desirability of more detailed investigation.</p><p>Detailed examination of the coal deposits of the Homer district was started by the Geological Survey in 1947. The period July 17 to September 14 was spent by the writer, assisted by H. C. Wagner, geologist, and L. A. Hale, field assistant, in reconnaissance of isolated coal exposures in an area extending several miles north of Homer, and in measuring detailed stratigraphic sections in the bluffs just north of Homer between Coal (Bidarki) and Fritz Creeks.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr4920","usgsCitation":"Barnes, F., 1949, Coal investigations on the southern margin of the Homer district, Kenai coal field, Alaska, in 1947-48: U.S. Geological Survey Open-File Report 49-20, Report: 11 p.; 5 Plates: 69.29 x 34.63 inches or smaller, https://doi.org/10.3133/ofr4920.","productDescription":"Report: 11 p.; 5 Plates: 69.29 x 34.63 inches or smaller","costCenters":[],"links":[{"id":418822,"rank":7,"type":{"id":29,"text":"Figure"},"url":"https://pubs.usgs.gov/of/1949/0020/figure-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":418821,"rank":6,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1949/0020/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":418820,"rank":5,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1949/0020/plate-2.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":418819,"rank":4,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1949/0020/plate-3.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":418818,"rank":3,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1949/0020/plate-4.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":175797,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1949/0020/report-thumb.jpg"},{"id":418817,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1949/0020/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States","state":"Alaska","city":"Homer","otherGeospatial":"Kenai coal field","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -151.97606895484873,\n              59.86995468899815\n            ],\n            [\n              -151.97606895484873,\n              59.29432591306937\n            ],\n            [\n              -151.0279167616619,\n              59.29432591306937\n            ],\n            [\n              -151.0279167616619,\n              59.86995468899815\n            ],\n            [\n              -151.97606895484873,\n              59.86995468899815\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49ade4b07f02db5c728f","contributors":{"authors":[{"text":"Barnes, F.F.","contributorId":87198,"corporation":false,"usgs":true,"family":"Barnes","given":"F.F.","email":"","affiliations":[],"preferred":false,"id":242567,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":71907,"text":"tei41 - 1949 - Trace elements reconnaissance in the Candle Creek area, Fairhaven district, Seward Peninsula, Alaska","interactions":[],"lastModifiedDate":"2012-02-02T00:13:58","indexId":"tei41","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1949","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":337,"text":"Trace Elements Investigations","code":"TEI","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"41","title":"Trace elements reconnaissance in the Candle Creek area, Fairhaven district, Seward Peninsula, Alaska","language":"ENGLISH","doi":"10.3133/tei41","usgsCitation":"Gault, H., 1949, Trace elements reconnaissance in the Candle Creek area, Fairhaven district, Seward Peninsula, Alaska: U.S. Geological Survey Trace Elements Investigations 41, 10 p., 1 fig., https://doi.org/10.3133/tei41.","productDescription":"10 p., 1 fig.","costCenters":[],"links":[{"id":193244,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/tei/041/report-thumb.jpg"},{"id":91040,"rank":400,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/tei/041/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":91041,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/tei/041/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a4ee4b07f02db627e36","contributors":{"authors":[{"text":"Gault, H.R.","contributorId":39042,"corporation":false,"usgs":true,"family":"Gault","given":"H.R.","email":"","affiliations":[],"preferred":false,"id":284880,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":41902,"text":"ofr499 - 1949 - Aeromagnetic maps and second vertical derivative maps of Great Sitkin Island, Northern Adak Island, and part of northeastern Umnak Island, Alaska","interactions":[],"lastModifiedDate":"2017-07-05T11:56:38","indexId":"ofr499","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1949","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":"49-9","title":"Aeromagnetic maps and second vertical derivative maps of Great Sitkin Island, Northern Adak Island, and part of northeastern Umnak Island, Alaska","docAbstract":"<p>The eight attached maps were constructed from data taken on Project Volcano in the summer of 1947. The project was sponsored by the Office of Naval Research and conducted by the U.S. Geological Survey in cooperation with the Naval Ordnance Laboratory. Field work was done by Fred Keller, Jr., and J. L. Meuschke, Geophysicists of the U.S. Geological Survey, and by L. R. Alldredge, Physicist of the Naval Ordnance Laboratory. The instrument used was a modified AN/ASQ-3A flux-gate type total field magnetometer mounted in the tailcone of a PBY-5A aircraft. It is hoped that observation of the magnetic fields over volcanic areas over a period of years, may lead to prognostication of volcanic activity. These maps represent the results of the first of such surveys.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr499","usgsCitation":"Zietz, I., and Henderson, R., 1949, Aeromagnetic maps and second vertical derivative maps of Great Sitkin Island, Northern Adak Island, and part of northeastern Umnak Island, Alaska: U.S. Geological Survey Open-File Report 49-9, Report: 3 p., 8 maps: 16.94 x 17.57 inches or smaller, https://doi.org/10.3133/ofr499.","productDescription":"Report: 3 p., 8 maps: 16.94 x 17.57 inches or smaller","costCenters":[],"links":[{"id":79631,"rank":6,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1949/0009/plate-4.pdf","text":"D) Aeromagnetic map of Great Sitkin Island second vertical derivative of the magnetic field","size":"970.25 kB","linkFileType":{"id":1,"text":"pdf"},"description":"D) Aeromagnetic map of Great Sitkin Island second vertical derivative of the magnetic field"},{"id":79632,"rank":404,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1949/0009/plate-5.pdf","text":"E) Aeromagnetic map of northern Adak Island, Alaska uncorrected for regional gradient","size":"1.03 MB","linkFileType":{"id":1,"text":"pdf"},"description":"E) Aeromagnetic map of northern Adak Island, Alaska uncorrected for regional gradient"},{"id":79633,"rank":405,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1949/0009/plate-6.pdf","text":"F) Aeromagnetic map of northern Adak Island second vertical derivative of magnetic field","size":"1.13 MB","linkFileType":{"id":1,"text":"pdf"},"description":"F) Aeromagnetic map of northern Adak Island second vertical derivative of magnetic field"},{"id":79634,"rank":406,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1949/0009/plate-7.pdf","text":"G) Aeromagnetic map of part of northeastern Umnak Island uncorrected for regional gradient","size":"1.26 MB","linkFileType":{"id":1,"text":"pdf"},"description":"G) Aeromagnetic map of part of northeastern Umnak Island uncorrected for regional gradient"},{"id":79630,"rank":403,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1949/0009/plate-3.pdf","text":"C) Aeromagnetic map of Great Sitkin Island residual map","size":"908.60 kB","linkFileType":{"id":1,"text":"pdf"},"description":"C) Aeromagnetic map of Great Sitkin Island residual map"},{"id":79628,"rank":401,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1949/0009/plate-1.pdf","text":"A) Aeromagnetic map of Great Sitkin Island uncorrected for regional gradient","size":"928.73 kB","linkFileType":{"id":1,"text":"pdf"},"description":"A) Aeromagnetic map of Great Sitkin Island uncorrected for regional gradient"},{"id":79629,"rank":402,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1949/0009/plate-2.pdf","text":"B) Aeromagnetic map of Great Sitkin Island corrected for regional gradient","size":"991.99 kB","linkFileType":{"id":1,"text":"pdf"},"description":"B) Aeromagnetic map of Great Sitkin Island corrected for regional gradient"},{"id":79635,"rank":407,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1949/0009/plate-8.pdf","text":"H) Aeromagnetic map of part of northeastern Umnak Island -second vertical derivative","size":"1.20 MB","linkFileType":{"id":1,"text":"pdf"},"description":"H) Aeromagnetic map of part of northeastern Umnak Island -second vertical derivative"},{"id":79636,"rank":301,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1949/0009/report.pdf","text":"Report","size":"4.93 MB","linkFileType":{"id":1,"text":"pdf"},"description":"Report"},{"id":135509,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1949/0009/report-thumb.jpg"}],"country":"United States","state":"Alaska","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": 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,{"id":70210419,"text":"70210419 - 1949 - Ostracoda from well, shot hole, and outcrop samples in Naval Petroleum Reserve No. 4","interactions":[],"lastModifiedDate":"2022-05-25T21:07:00.215612","indexId":"70210419","displayToPublicDate":"1949-12-31T16:57:44","publicationYear":"1949","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":6,"text":"USGS Unnumbered Series"},"seriesTitle":{"id":5963,"text":"Geological Investigations, Naval Petroleum Reserve No. 4, Alaska","active":false,"publicationSubtype":{"id":6}},"seriesNumber":"27","title":"Ostracoda from well, shot hole, and outcrop samples in Naval Petroleum Reserve No. 4","docAbstract":"<p>The ostracodes described in this report are from material collected in Naval Petroleum Reserve No. 4, northern Alaska. The samples were obtained from well and seismograph shot holes drilled by Arctic Contractors and United States Geophysical Company and from field samples collected by the United States Geological Survey in the period from 1945 to 1948/ The earliest samples were processed for microfossils in Washington, but most of the material was prepared in the Fairbanks Laboratory of the Geological Survey.&nbsp;</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/70210419","usgsCitation":"Swain, F., 1949, Ostracoda from well, shot hole, and outcrop samples in Naval Petroleum Reserve No. 4: Geological Investigations, Naval Petroleum Reserve No. 4, Alaska 27, iii, 11 p., https://doi.org/10.3133/70210419.","productDescription":"iii, 11 p.","costCenters":[],"links":[{"id":396530,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/unnumbered/70210419/report-thumb.jpg"},{"id":375263,"rank":1,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_74608.htm","linkFileType":{"id":5,"text":"html"}},{"id":401100,"rank":3,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/unnumbered/70210419/report.pdf"}],"country":"United States","state":"Alaska","otherGeospatial":"Naval Petroleum Reserve No. 4","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -165.9375,\n              67.47492238478702\n            ],\n            [\n              -141.50390625,\n              67.47492238478702\n            ],\n            [\n              -141.50390625,\n              71.37110941823617\n            ],\n            [\n              -165.9375,\n              71.37110941823617\n            ],\n            [\n              -165.9375,\n              67.47492238478702\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Swain, Frederick M.","contributorId":100458,"corporation":false,"usgs":true,"family":"Swain","given":"Frederick M.","affiliations":[],"preferred":false,"id":836318,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70210422,"text":"70210422 - 1949 - Interpretation from aerial photographs and geologic structures of the central Colville River area, Alaska","interactions":[],"lastModifiedDate":"2022-05-31T20:10:34.986293","indexId":"70210422","displayToPublicDate":"1949-12-31T14:08:01","publicationYear":"1949","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":6,"text":"USGS Unnumbered Series"},"seriesTitle":{"id":5963,"text":"Geological Investigations, Naval Petroleum Reserve No. 4, Alaska","active":false,"publicationSubtype":{"id":6}},"seriesNumber":"30","title":"Interpretation from aerial photographs and geologic structures of the central Colville River area, Alaska","docAbstract":"<p>No abstract available.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/70210422","usgsCitation":"Fischer, W., 1949, Interpretation from aerial photographs and geologic structures of the central Colville River area, Alaska: Geological Investigations, Naval Petroleum Reserve No. 4, Alaska 30, Report: 11 p.; 1 Figure: 41.00 x 14.89 inches, https://doi.org/10.3133/70210422.","productDescription":"Report: 11 p.; 1 Figure: 41.00 x 14.89 inches","costCenters":[],"links":[{"id":375267,"rank":1,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_74610.htm","linkFileType":{"id":5,"text":"html"}},{"id":396572,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/unnumbered/70210422/report-thumb.jpg"},{"id":401106,"rank":3,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/unnumbered/70210422/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":401107,"rank":4,"type":{"id":29,"text":"Figure"},"url":"https://pubs.usgs.gov/unnumbered/70210422/figure-1.pdf","text":"Figure 1","linkFileType":{"id":1,"text":"pdf"}}],"scale":"200000","country":"United States","state":"Alaska","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -158,\n              69.25\n            ],\n            [\n              -153,\n              69.25\n            ],\n            [\n              -153,\n              69.75\n            ],\n            [\n              -158,\n              69.75\n            ],\n            [\n              -158,\n              69.25\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Fischer, William A.","contributorId":47787,"corporation":false,"usgs":true,"family":"Fischer","given":"William A.","affiliations":[{"id":595,"text":"U.S. Geological Survey","active":false,"usgs":true}],"preferred":false,"id":836497,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70210420,"text":"70210420 - 1949 - Stratigraphy and structure of the area of the Avalik and Ketik Rivers","interactions":[],"lastModifiedDate":"2022-05-25T21:12:12.058432","indexId":"70210420","displayToPublicDate":"1949-12-31T13:37:52","publicationYear":"1949","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":6,"text":"USGS Unnumbered Series"},"seriesTitle":{"id":5963,"text":"Geological Investigations, Naval Petroleum Reserve No. 4, Alaska","active":false,"publicationSubtype":{"id":6}},"seriesNumber":"28","title":"Stratigraphy and structure of the area of the Avalik and Ketik Rivers","docAbstract":"<p>No abstract available.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/70210420","usgsCitation":"Stefansson, K., and Mangus, M.D., 1949, Stratigraphy and structure of the area of the Avalik and Ketik Rivers: Geological Investigations, Naval Petroleum Reserve No. 4, Alaska 28, Report: 4 p.; 1 Plate: 23.61 x 21.36 inches, https://doi.org/10.3133/70210420.","productDescription":"Report: 4 p.; 1 Plate: 23.61 x 21.36 inches","costCenters":[],"links":[{"id":401104,"rank":4,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/unnumbered/70210420/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":401103,"rank":3,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/unnumbered/70210420/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":375265,"rank":1,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_74609.htm","linkFileType":{"id":5,"text":"html"}},{"id":396570,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/unnumbered/70210420/report-thumb.jpg"}],"country":"United States","state":"Alaska","otherGeospatial":"Avalik and Ketik Rivers","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -159.6667,\n              69.5833\n            ],\n            [\n              -158.1667,\n              69.5833\n            ],\n            [\n              -158.1667,\n              70.1667\n            ],\n            [\n              -159.6667,\n              70.1667\n            ],\n            [\n              -159.6667,\n              69.5833\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Stefansson, Karl","contributorId":61296,"corporation":false,"usgs":true,"family":"Stefansson","given":"Karl","email":"","affiliations":[],"preferred":false,"id":836494,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Mangus, Marvin D.","contributorId":81556,"corporation":false,"usgs":true,"family":"Mangus","given":"Marvin","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":836495,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70222231,"text":"70222231 - 1949 - Preliminary report on the stratigraphy and structure of the Kukpowruk and Kokolik Rivers area, Alaska","interactions":[],"lastModifiedDate":"2022-05-31T21:04:08.335661","indexId":"70222231","displayToPublicDate":"1949-11-01T15:30:49","publicationYear":"1949","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":6,"text":"USGS Unnumbered Series"},"seriesTitle":{"id":5963,"text":"Geological Investigations, Naval Petroleum Reserve No. 4, Alaska","active":false,"publicationSubtype":{"id":6}},"seriesNumber":"27","subseriesTitle":"Preliminary Report","title":"Preliminary report on the stratigraphy and structure of the Kukpowruk and Kokolik Rivers area, Alaska","docAbstract":"<p>No abstract available.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/70222231","usgsCitation":"Chapman, R., and Sable, E.G., 1949, Preliminary report on the stratigraphy and structure of the Kukpowruk and Kokolik Rivers area, Alaska: Geological Investigations, Naval Petroleum Reserve No. 4, Alaska 27, Report: 20 p.; 4 Figures: 14.62 x 57.99 inches or smaller, https://doi.org/10.3133/70222231.","productDescription":"Report: 20 p.; 4 Figures: 14.62 x 57.99 inches or smaller","costCenters":[],"links":[{"id":401449,"rank":7,"type":{"id":29,"text":"Figure"},"url":"https://pubs.usgs.gov/unnumbered/70222231/figure-5.pdf","text":"Figure 4","linkFileType":{"id":1,"text":"pdf"}},{"id":401448,"rank":6,"type":{"id":29,"text":"Figure"},"url":"https://pubs.usgs.gov/unnumbered/70222231/figure-4.pdf","text":"Figure 4","linkFileType":{"id":1,"text":"pdf"}},{"id":401447,"rank":5,"type":{"id":29,"text":"Figure"},"url":"https://pubs.usgs.gov/unnumbered/70222231/figure-2-3.pdf","text":"Figures 2 & 3","linkFileType":{"id":1,"text":"pdf"}},{"id":401446,"rank":4,"type":{"id":29,"text":"Figure"},"url":"https://pubs.usgs.gov/unnumbered/70222231/figure-1.pdf","text":"Figure 1","linkFileType":{"id":1,"text":"pdf"}},{"id":401445,"rank":3,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/unnumbered/70222231/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":387342,"rank":1,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_74576.htm","linkFileType":{"id":5,"text":"html"}},{"id":396877,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/unnumbered/70222231/report-thumb.jpg"}],"country":"United States","state":"Alaska","otherGeospatial":"Kukpowruk and Kokolik Rivers area","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -163.5,\n              68.4167\n            ],\n            [\n              -160,\n              68.4167\n            ],\n            [\n              -160,\n              70\n            ],\n            [\n              -163.5,\n              70\n            ],\n            [\n              -163.5,\n              68.4167\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Chapman, Robert M.","contributorId":81888,"corporation":false,"usgs":true,"family":"Chapman","given":"Robert M.","affiliations":[],"preferred":false,"id":837482,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Sable, Edward G.","contributorId":51273,"corporation":false,"usgs":true,"family":"Sable","given":"Edward","email":"","middleInitial":"G.","affiliations":[],"preferred":false,"id":837483,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70222230,"text":"70222230 - 1949 - Preliminary report on stratigraphy and structure of the areas of the Etivluk, Kuna, and Nigu Rivers, Alaska","interactions":[],"lastModifiedDate":"2022-05-31T20:51:07.243158","indexId":"70222230","displayToPublicDate":"1949-11-01T15:19:48","publicationYear":"1949","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":6,"text":"USGS Unnumbered Series"},"seriesTitle":{"id":5963,"text":"Geological Investigations, Naval Petroleum Reserve No. 4, Alaska","active":false,"publicationSubtype":{"id":6}},"seriesNumber":"26","subseriesTitle":"Preliminary Report","title":"Preliminary report on stratigraphy and structure of the areas of the Etivluk, Kuna, and Nigu Rivers, Alaska","docAbstract":"<p>No abstract available.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/70222230","usgsCitation":"Mangus, M.D., Detterman, R.L., Lachenbruch, A., and Lachenbruch, M.C., 1949, Preliminary report on stratigraphy and structure of the areas of the Etivluk, Kuna, and Nigu Rivers, Alaska: Geological Investigations, Naval Petroleum Reserve No. 4, Alaska 26, Report: 13 p.; 2 Figures: 17.73 x 24.00 inches and 35.50 x 12.15 inches, https://doi.org/10.3133/70222230.","productDescription":"Report: 13 p.; 2 Figures: 17.73 x 24.00 inches and 35.50 x 12.15 inches","costCenters":[],"links":[{"id":401444,"rank":5,"type":{"id":29,"text":"Figure"},"url":"https://pubs.usgs.gov/unnumbered/70222230/figure-2.pdf","text":"Figure","linkFileType":{"id":1,"text":"pdf"}},{"id":401443,"rank":4,"type":{"id":29,"text":"Figure"},"url":"https://pubs.usgs.gov/unnumbered/70222230/figure-1.pdf","text":"Figure","linkFileType":{"id":1,"text":"pdf"}},{"id":401442,"rank":3,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/unnumbered/70222230/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":396876,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/unnumbered/70222230/report-thumb.jpg"},{"id":387341,"rank":1,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_74575.htm","linkFileType":{"id":5,"text":"html"}}],"country":"United States","state":"Alaska","otherGeospatial":"areas of the Etivluk, Kuna, and Nigu Rivers","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -158,\n              68.0833\n            ],\n            [\n              -156,\n              68.0833\n            ],\n            [\n              -156,\n              69\n            ],\n            [\n              -158,\n              69\n            ],\n            [\n              -158,\n              68.0833\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Mangus, M. D.","contributorId":89522,"corporation":false,"usgs":true,"family":"Mangus","given":"M.","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":837478,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Detterman, R. L.","contributorId":71525,"corporation":false,"usgs":true,"family":"Detterman","given":"R.","middleInitial":"L.","affiliations":[],"preferred":false,"id":837479,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Lachenbruch, A.H.","contributorId":76737,"corporation":false,"usgs":true,"family":"Lachenbruch","given":"A.H.","affiliations":[],"preferred":false,"id":837480,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Lachenbruch, M. C.","contributorId":27932,"corporation":false,"usgs":true,"family":"Lachenbruch","given":"M.","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":837481,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70222229,"text":"70222229 - 1949 - The stratigraphy and structure of the Okpikrurak and Kiruktagiak River areas, Alaska","interactions":[],"lastModifiedDate":"2022-05-31T20:44:31.858407","indexId":"70222229","displayToPublicDate":"1949-11-01T15:12:50","publicationYear":"1949","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":6,"text":"USGS Unnumbered Series"},"seriesTitle":{"id":5963,"text":"Geological Investigations, Naval Petroleum Reserve No. 4, Alaska","active":false,"publicationSubtype":{"id":6}},"seriesNumber":"25","subseriesTitle":"Preliminary Report","title":"The stratigraphy and structure of the Okpikrurak and Kiruktagiak River areas, Alaska","docAbstract":"<p>No abstract available.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/70222229","usgsCitation":"Patton, W.W., and Tailleur, I., 1949, The stratigraphy and structure of the Okpikrurak and Kiruktagiak River areas, Alaska: Geological Investigations, Naval Petroleum Reserve No. 4, Alaska 25, Report: 15 p.; 3 Plates: 17.41 x 35.31 inches or smaller, https://doi.org/10.3133/70222229.","productDescription":"Report: 15 p.; 3 Plates: 17.41 x 35.31 inches or smaller","costCenters":[],"links":[{"id":401438,"rank":3,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/unnumbered/70222229/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":401439,"rank":4,"type":{"id":29,"text":"Figure"},"url":"https://pubs.usgs.gov/unnumbered/70222229/plate-1.pdf","text":"Figure 1","linkFileType":{"id":1,"text":"pdf"}},{"id":401440,"rank":5,"type":{"id":29,"text":"Figure"},"url":"https://pubs.usgs.gov/unnumbered/70222229/plate-2.pdf","text":"Figure 2","linkFileType":{"id":1,"text":"pdf"}},{"id":401441,"rank":6,"type":{"id":29,"text":"Figure"},"url":"https://pubs.usgs.gov/unnumbered/70222229/plate-3.pdf","text":"Figure 3","linkFileType":{"id":1,"text":"pdf"}},{"id":396875,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/unnumbered/70222229/report-thumb.jpg"},{"id":387340,"rank":1,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_74574.htm","linkFileType":{"id":5,"text":"html"}}],"country":"United States","state":"Alaska","otherGeospatial":"Okpikrurak and Kiruktagiak River areas","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -153.7931,\n              68.3333\n            ],\n            [\n              -152.2967,\n              68.3333\n            ],\n            [\n              -152.2967,\n              68.7439\n            ],\n            [\n              -153.7931,\n              68.7439\n            ],\n            [\n              -153.7931,\n              68.3333\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Patton, William W. Jr.","contributorId":107355,"corporation":false,"usgs":true,"family":"Patton","given":"William","suffix":"Jr.","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":837476,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Tailleur, I.L.","contributorId":59027,"corporation":false,"usgs":true,"family":"Tailleur","given":"I.L.","email":"","affiliations":[],"preferred":false,"id":837477,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70210460,"text":"70210460 - 1949 - Suggested correlation in Simpson seeps region","interactions":[],"lastModifiedDate":"2022-05-31T20:17:43.385343","indexId":"70210460","displayToPublicDate":"1949-11-01T14:58:23","publicationYear":"1949","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":6,"text":"USGS Unnumbered Series"},"seriesTitle":{"id":5963,"text":"Geological Investigations, Naval Petroleum Reserve No. 4, Alaska","active":false,"publicationSubtype":{"id":6}},"seriesNumber":"13","subseriesTitle":"Special Report","title":"Suggested correlation in Simpson seeps region","docAbstract":"<p>During the 1949 drilling season eight core tests were completed in the Simpson Seeps area up to October 25th„ This program, which is still in progress, was undertaken to provide an explanation for the surface seeps near Caps Simpson. The shallowest of the eight holes reached 800 feet; the deepest was drilled to a depth of 1460 feet.</p><p>Geophysical data on the shallow horizons indicate that the Simpson Seeps Core Tests shown on the section have been drilled in an area of nearly north-south strike. The five core tests that most nearly approximate a section normal to the strike were chosen for the accompanying cross Section. An east-west strike, accompanied by strong anomalous dips of fifteen to twenty degrees to the north is indicated by geophysical data about five miles north of the cross section.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/70210460","usgsCitation":"Robinson, F.M., and Thomas, R., 1949, Suggested correlation in Simpson seeps region: Geological Investigations, Naval Petroleum Reserve No. 4, Alaska 13, Report: 3 p.; 1 Figure: 42.45 x 18.07 inches, https://doi.org/10.3133/70210460.","productDescription":"Report: 3 p.; 1 Figure: 42.45 x 18.07 inches","costCenters":[],"links":[{"id":396721,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/unnumbered/70210460/report-thumb.jpg"},{"id":375330,"rank":1,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_74627.htm","linkFileType":{"id":5,"text":"html"}},{"id":401260,"rank":3,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/unnumbered/70210460/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":401261,"rank":4,"type":{"id":29,"text":"Figure"},"url":"https://pubs.usgs.gov/unnumbered/70210460/figure-1.pdf","text":"Figure 1"}],"country":"United States","state":"Alaska","otherGeospatial":"Simpson seeps region","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -154.7333,\n              70.98\n            ],\n            [\n              -154.5939,\n              70.98\n            ],\n            [\n              -154.5939,\n              71.0008\n            ],\n            [\n              -154.7333,\n              71.0008\n            ],\n            [\n              -154.7333,\n              70.98\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Robinson, F. M.","contributorId":84830,"corporation":false,"usgs":true,"family":"Robinson","given":"F.","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":837047,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Thomas, Robert","contributorId":177535,"corporation":false,"usgs":false,"family":"Thomas","given":"Robert","affiliations":[],"preferred":false,"id":837048,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70222228,"text":"70222228 - 1949 - Preliminary report on the Mississippian rocks of the Kanayut, Nanushuk, and Itkillik Lake areas, Alaska","interactions":[],"lastModifiedDate":"2022-05-31T20:03:06.330858","indexId":"70222228","displayToPublicDate":"1949-11-01T14:56:42","publicationYear":"1949","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":6,"text":"USGS Unnumbered Series"},"seriesTitle":{"id":5963,"text":"Geological Investigations, Naval Petroleum Reserve No. 4, Alaska","active":false,"publicationSubtype":{"id":6}},"seriesNumber":"24","subseriesTitle":"Preliminary Report","title":"Preliminary report on the Mississippian rocks of the Kanayut, Nanushuk, and Itkillik Lake areas, Alaska","docAbstract":"<p>No abstract available.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/70222228","usgsCitation":"Bowsher, A.L., and Dutro, J.T., 1949, Preliminary report on the Mississippian rocks of the Kanayut, Nanushuk, and Itkillik Lake areas, Alaska: Geological Investigations, Naval Petroleum Reserve No. 4, Alaska 24, Report: 41 p.; 1 Plate: 35.97 x 21.10 inches; 3 Figures: 15.65 x 29.63 inches or smaller, https://doi.org/10.3133/70222228.","productDescription":"Report: 41 p.; 1 Plate: 35.97 x 21.10 inches; 3 Figures: 15.65 x 29.63 inches or smaller","costCenters":[],"links":[{"id":401428,"rank":7,"type":{"id":29,"text":"Figure"},"url":"https://pubs.usgs.gov/unnumbered/70222228/figure-5-6-7.pdf","text":"Figures 5, 6, & 7","linkFileType":{"id":1,"text":"pdf"}},{"id":401427,"rank":6,"type":{"id":29,"text":"Figure"},"url":"https://pubs.usgs.gov/unnumbered/70222228/figure-3.pdf","text":"Figure 3","linkFileType":{"id":1,"text":"pdf"}},{"id":401426,"rank":5,"type":{"id":29,"text":"Figure"},"url":"https://pubs.usgs.gov/unnumbered/70222228/figure-2.pdf","text":"Figure 2","linkFileType":{"id":1,"text":"pdf"}},{"id":401425,"rank":4,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/unnumbered/70222228/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":401424,"rank":3,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/unnumbered/70222228/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":387338,"rank":1,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_74573.htm","linkFileType":{"id":5,"text":"html"}},{"id":396874,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/unnumbered/70222228/report-thumb.jpg"}],"country":"United States","state":"Alaska","otherGeospatial":"Kanayut, Nanushuk, and Itkillik Lake areas","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -151,\n              68.1889\n            ],\n            [\n              -149.65,\n              68.1889\n            ],\n            [\n              -149.65,\n              68.4167\n            ],\n            [\n              -151,\n              68.4167\n            ],\n            [\n              -151,\n              68.1889\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Bowsher, Arthur Leroy","contributorId":27058,"corporation":false,"usgs":true,"family":"Bowsher","given":"Arthur","email":"","middleInitial":"Leroy","affiliations":[],"preferred":false,"id":837474,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Dutro, J. Thomas","contributorId":54204,"corporation":false,"usgs":true,"family":"Dutro","given":"J.","email":"","middleInitial":"Thomas","affiliations":[],"preferred":false,"id":837475,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70222227,"text":"70222227 - 1949 - Preliminary reports on the Carbon Creek anticline and on the upper Meade River, Alaska","interactions":[],"lastModifiedDate":"2022-05-31T19:58:54.25309","indexId":"70222227","displayToPublicDate":"1949-11-01T14:43:45","publicationYear":"1949","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":6,"text":"USGS Unnumbered Series"},"seriesTitle":{"id":5963,"text":"Geological Investigations, Naval Petroleum Reserve No. 4, Alaska","active":false,"publicationSubtype":{"id":6}},"seriesNumber":"23","subseriesTitle":"Preliminary Report","title":"Preliminary reports on the Carbon Creek anticline and on the upper Meade River, Alaska","docAbstract":"<p>No abstract available.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/70222227","usgsCitation":"Whittington, C.L., and Keller, S.A., 1949, Preliminary reports on the Carbon Creek anticline and on the upper Meade River, Alaska: Geological Investigations, Naval Petroleum Reserve No. 4, Alaska 23, Report: 16 p.; 3 Figures: 65.74 x 31.95 inches or smaller, https://doi.org/10.3133/70222227.","productDescription":"Report: 16 p.; 3 Figures: 65.74 x 31.95 inches or smaller","costCenters":[],"links":[{"id":401418,"rank":6,"type":{"id":29,"text":"Figure"},"url":"https://pubs.usgs.gov/unnumbered/70222227/figure-3.pdf","text":"Figure 3","linkFileType":{"id":1,"text":"pdf"}},{"id":401417,"rank":5,"type":{"id":29,"text":"Figure"},"url":"https://pubs.usgs.gov/unnumbered/70222227/figure-2.pdf","text":"Figure 2","linkFileType":{"id":1,"text":"pdf"}},{"id":401416,"rank":4,"type":{"id":29,"text":"Figure"},"url":"https://pubs.usgs.gov/unnumbered/70222227/figure-1.pdf","text":"Figure 1","linkFileType":{"id":1,"text":"pdf"}},{"id":401415,"rank":3,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/unnumbered/70222227/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":387337,"rank":1,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_74572.htm","linkFileType":{"id":5,"text":"html"}},{"id":396873,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/unnumbered/70222227/report-thumb.jpg"}],"country":"United States","state":"Alaska","otherGeospatial":"Carbon Creek anticline, upper Meade River","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -159.1667,\n              69.05\n            ],\n            [\n              -157.4,\n              69.05\n            ],\n            [\n              -157.4,\n              69.5833\n            ],\n            [\n              -159.1667,\n              69.5833\n            ],\n            [\n              -159.1667,\n              69.05\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Whittington, Charles L.","contributorId":52642,"corporation":false,"usgs":true,"family":"Whittington","given":"Charles","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":837472,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Keller, Samuel A.","contributorId":287140,"corporation":false,"usgs":false,"family":"Keller","given":"Samuel","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":837473,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70222225,"text":"70222225 - 1949 - Preliminary report on the stratigraphy and structure of the Titaluk anticline in the vicinity of Maybe Creek, Alaska","interactions":[],"lastModifiedDate":"2022-05-31T20:30:02.891841","indexId":"70222225","displayToPublicDate":"1949-11-01T14:30:02","publicationYear":"1949","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":6,"text":"USGS Unnumbered Series"},"seriesTitle":{"id":5963,"text":"Geological Investigations, Naval Petroleum Reserve No. 4, Alaska","active":false,"publicationSubtype":{"id":6}},"seriesNumber":"22","subseriesTitle":"Preliminary Report","title":"Preliminary report on the stratigraphy and structure of the Titaluk anticline in the vicinity of Maybe Creek, Alaska","docAbstract":"<p>No abstract available.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/70222225","usgsCitation":"Brosge, W., and Kover, A., 1949, Preliminary report on the stratigraphy and structure of the Titaluk anticline in the vicinity of Maybe Creek, Alaska: Geological Investigations, Naval Petroleum Reserve No. 4, Alaska 22, Report: 9 p.; 2 Figures: 40.63 inches and 43.58 x 22.52 inches, https://doi.org/10.3133/70222225.","productDescription":"Report: 9 p.; 2 Figures: 40.63 inches and 43.58 x 22.52 inches","costCenters":[],"links":[{"id":396872,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/unnumbered/70222225/report-thumb.jpg"},{"id":387336,"rank":1,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_74571.htm","linkFileType":{"id":5,"text":"html"}},{"id":401412,"rank":3,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/unnumbered/70222225/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":401413,"rank":4,"type":{"id":29,"text":"Figure"},"url":"https://pubs.usgs.gov/unnumbered/70222225/figure-1.pdf","text":"Figure 1","linkFileType":{"id":1,"text":"pdf"}},{"id":401414,"rank":5,"type":{"id":29,"text":"Figure"},"url":"https://pubs.usgs.gov/unnumbered/70222225/figure-2.pdf","text":"Figure 2","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States","state":"Alaska","otherGeospatial":"Titaluk anticline in the vicinity of Maybe Creek","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -154.8333,\n              69.25\n            ],\n            [\n              -153.6667,\n              69.25\n            ],\n            [\n              -153.6667,\n              69.4583\n            ],\n            [\n              -154.8333,\n              69.4583\n            ],\n            [\n              -154.8333,\n              69.25\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Brosge, W. P.","contributorId":58248,"corporation":false,"usgs":true,"family":"Brosge","given":"W. P.","affiliations":[],"preferred":false,"id":837470,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Kover, A. N.","contributorId":23616,"corporation":false,"usgs":true,"family":"Kover","given":"A. N.","affiliations":[],"preferred":false,"id":837471,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70215511,"text":"70215511 - 1949 - Volcanic activity on Umnak and Great Sitkin Islands, 1946–1948","interactions":[],"lastModifiedDate":"2020-10-21T19:24:07.665213","indexId":"70215511","displayToPublicDate":"1949-10-21T13:54:10","publicationYear":"1949","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1578,"text":"Eos, Transactions, American Geophysical Union","onlineIssn":"2324-9250","printIssn":"0096-394","active":true,"publicationSubtype":{"id":10}},"title":"Volcanic activity on Umnak and Great Sitkin Islands, 1946–1948","docAbstract":"<p>As part of the United States Geological Survey's volcano program in the Aleutian volcanic arc during 1946–1948, the volcanoes and thermal areas on Umnak and Great Sitkin Islands were studied. In addition to observation of the volcanoes, temperatures of fumaroles were measured and some products of the volcanic activity were collected and analyzed.</p><p>After an eruption in 1945, Cone A in Okmok Caldera on northeastern Umnak Island remained relatively quiet during the period 1946–1948. The fumarole gases contained water vapor, carbon dioxide, and sulfur dioxide. The incrustations associated with the sulfur dioxide fumaroles are the sulfate minerals halotrichite, gypsum, and soda alum. Temperatures of lava fumaroles at the source of the December, 1945 lava flow from Cone A dropped from an average of 320°C on July 19, 1946, to 90°C on September 5, 1946. With exception of the large central fumarole which reached red heat in 1947, the extra crater fumaroles of Cone A ranged from 96° to 98° C in temperature</p><p>Cone C, another cone in Okmok Caldera was in the solfataric stage and emitted water vapor, hydrogen sulfide, and probably carbon dioxide. Incrustations associated with fumaroles on this cone consisted of sulfur, pyrite, and aragonite. The temperatures of the fumaroles ranged from 95° to 96°C and were probably kept within this narrow range partly by the heat supplied during condensation of steam.</p><p>Sixteen large thermal springs emerging from the base of Cone D in Okmok Caldera had an aggregate discharge of approximately 115 cfs and gave off approximately 21,000 kcal of heat per second on September 7, 1946.</p><p>Water samples of thermal springs on Umnak Island contained as high as 159 ppm of boron expressed as B<sub>2</sub>0<sub>3</sub><span>&nbsp;</span>and a few parts per million of arsenic and antimony. Several of the thermal springs in southwestern Umnak Island were slightly superheated with respect to the boiling point of water and behaved as small geysers. As has been found elsewhere, the discharge, temperature, and composition of the emanations from a spring is modified by surface conditions of topography and drainage.</p><p>Thermal springs and fumaroles on Great Sitkin Island occurred at an altitude of about 2000 ft near the head of the west fork of Big Fox Creek. All the fumaroles were at or near a temperature of 100°C. The large crater fumarole in the center of the 1945 crater dome was unapproachable. No change in the activity of Great Sitkin volcano was observed between 1946 and August 1948.</p>","language":"English","publisher":"American Geophysical Union","doi":"10.1029/TR030i005p00719","usgsCitation":"Byers, F., and Brannock, W.W., 1949, Volcanic activity on Umnak and Great Sitkin Islands, 1946–1948: Eos, Transactions, American Geophysical Union, v. 30, no. 5, p. 719-734, https://doi.org/10.1029/TR030i005p00719.","productDescription":"16  p.","startPage":"719","endPage":"734","costCenters":[],"links":[{"id":379605,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Alaska","otherGeospatial":"Umnak and Great Sitkin Islands","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -179.6484375,\n              51.45400691005982\n            ],\n            [\n              -163.037109375,\n              51.45400691005982\n            ],\n            [\n              -163.037109375,\n              56.12106042504407\n            ],\n            [\n              -179.6484375,\n              56.12106042504407\n            ],\n            [\n              -179.6484375,\n              51.45400691005982\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"30","issue":"5","noUsgsAuthors":false,"publicationDate":"2014-08-18","publicationStatus":"PW","contributors":{"authors":[{"text":"Byers, F.M. Jr.","contributorId":78338,"corporation":false,"usgs":true,"family":"Byers","given":"F.M.","suffix":"Jr.","affiliations":[],"preferred":false,"id":802570,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Brannock, W. W.","contributorId":74504,"corporation":false,"usgs":true,"family":"Brannock","given":"W.","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":802571,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70210418,"text":"70210418 - 1949 - Summary of microfossil investigations, April 1948 to April 1949 with special reference to the south Barrow and Simpson areas","interactions":[],"lastModifiedDate":"2022-05-25T21:03:31.997824","indexId":"70210418","displayToPublicDate":"1949-04-01T16:32:33","publicationYear":"1949","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":6,"text":"USGS Unnumbered Series"},"seriesTitle":{"id":5963,"text":"Geological Investigations, Naval Petroleum Reserve No. 4, Alaska","active":false,"publicationSubtype":{"id":6}},"seriesNumber":"26","title":"Summary of microfossil investigations, April 1948 to April 1949 with special reference to the south Barrow and Simpson areas","docAbstract":"<p>This report summarizes the results of microfossil investigations for he past year. It includes the microfossil data from the two South Barrow Test Wells and studies of samples from outcrop material an from seismograph shot holes. In addition, new information bearing on the special study of microfossils from the Cape Simpson area is presented. The ostracoda that have been recently studies are discussed in a separate report by Professor R. M. Swain.&nbsp;</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/70210418","usgsCitation":"Loeblich, H.N., 1949, Summary of microfossil investigations, April 1948 to April 1949 with special reference to the south Barrow and Simpson areas: Geological Investigations, Naval Petroleum Reserve No. 4, Alaska 26, Report: 8 p.; 1 Chart: 17.13 x 11.32 inches, https://doi.org/10.3133/70210418.","productDescription":"Report: 8 p.; 1 Chart: 17.13 x 11.32 inches","costCenters":[],"links":[{"id":401099,"rank":4,"type":{"id":7,"text":"Companion Files"},"url":"https://pubs.usgs.gov/unnumbered/70210418/chart-1.pdf","text":"Chart 1","linkFileType":{"id":1,"text":"pdf"}},{"id":396529,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/unnumbered/70210418/report-thumb.jpg"},{"id":401098,"rank":3,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/unnumbered/70210418/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":375262,"rank":1,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_74673.htm","linkFileType":{"id":5,"text":"html"}}],"country":"United States","state":"Alaska","otherGeospatial":"South Barrow and Simpson areas","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -160.048828125,\n              69.51914693717981\n            ],\n            [\n              -152.40234375,\n              69.51914693717981\n            ],\n            [\n              -152.40234375,\n              71.13098770917023\n            ],\n            [\n              -160.048828125,\n              71.13098770917023\n            ],\n            [\n              -160.048828125,\n              69.51914693717981\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Loeblich, Helen N.","contributorId":286134,"corporation":false,"usgs":true,"family":"Loeblich","given":"Helen","email":"","middleInitial":"N.","affiliations":[],"preferred":false,"id":836313,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70210421,"text":"70210421 - 1949 - Heavy mineral zonation of Cretaceous and Tertiary rocks of the central area of northern Alaska","interactions":[],"lastModifiedDate":"2022-05-25T21:15:03.548357","indexId":"70210421","displayToPublicDate":"1949-04-01T13:56:23","publicationYear":"1949","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":6,"text":"USGS Unnumbered Series"},"seriesTitle":{"id":5963,"text":"Geological Investigations, Naval Petroleum Reserve No. 4, Alaska","active":false,"publicationSubtype":{"id":6}},"seriesNumber":"29","title":"Heavy mineral zonation of Cretaceous and Tertiary rocks of the central area of northern Alaska","docAbstract":"<p>This report presents the general conclusions pertaining to the correlation of Cretaceous and Tertiary rocks in test wells and outcrops in the central area of northern Alaska (fig. 1) by means of heavy minerals. Approximately 1.000 drill and outcrop samples have been studied. In order to relate the materiel here presented to the regional geologic picture of the central area, the restored facies cross-sections A-A' and B-B' of T.G. Payne 1/ are used as a basis for the graphic presentation of the heavy mineral zonation. Section C-C' of Payne is not used because most of it lies outside the area treated in this report and because of new geological and geophysical interpretations in the Barrow area as the result of recent exploration. Instead, the heavy mineral zonation along a somewhat different section C-C' (see fig. 1) is discussed but not illustrated.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/70210421","usgsCitation":"Lathram, E.H., 1949, Heavy mineral zonation of Cretaceous and Tertiary rocks of the central area of northern Alaska: Geological Investigations, Naval Petroleum Reserve No. 4, Alaska 29, 5 p., https://doi.org/10.3133/70210421.","productDescription":"5 p.","costCenters":[],"links":[{"id":375266,"rank":2,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_74699.htm","linkFileType":{"id":5,"text":"html"}},{"id":396571,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/unnumbered/70210421/report-thumb.jpg"},{"id":401105,"rank":3,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/unnumbered/70210421/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States","state":"Alaska","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -158.1667,\n              67.5\n            ],\n            [\n              -150.6,\n              67.5\n            ],\n            [\n              -150.6,\n              71.58053179556501\n            ],\n            [\n              -158.1667,\n              71.58053179556501\n            ],\n            [\n              -158.1667,\n              67.5\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Lathram, Ernest H.","contributorId":13900,"corporation":false,"usgs":true,"family":"Lathram","given":"Ernest","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":836496,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70210471,"text":"70210471 - 1949 - Calculated gravity anomaly produced by possible fault under line 27-48","interactions":[],"lastModifiedDate":"2022-05-27T18:26:06.197629","indexId":"70210471","displayToPublicDate":"1949-02-01T16:32:35","publicationYear":"1949","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":6,"text":"USGS Unnumbered Series"},"seriesTitle":{"id":5963,"text":"Geological Investigations, Naval Petroleum Reserve No. 4, Alaska","active":false,"publicationSubtype":{"id":6}},"seriesNumber":"4","subseriesTitle":"Special Report","title":"Calculated gravity anomaly produced by possible fault under line 27-48","docAbstract":"<p>The seismograph data from Line 27-48 of Party 47 indicates the possibility of a high angle fault win a displacement of roughly 1,000 feet under South Barrow Test Well No. 2. This fault vas discussed in E. Wiancko's report for United Geophysical Company entitled \"Report of Reflection Seismograph Survey in the Barrow Area During 1948\".</p><p>Mr. Delta. and Mr. English recently expressed a desire to know the magnitude of the calculated gravity anomaly produced by this probable fault. Their purpose was to determine the feasibility of proving and locating this fault, if exists, by several traverses with the gravimeter.</p><p>As interpreted in Wiancko's report, the fault is nearly east-west in strike and is a reverse fault with the up-thrust block on the north side.<br>The assumptions made for the calculation of the theoretical anomaly were that the density of the basement rock was 2.7, the density of the overlying rocks was 2.2 and the fault itself was taken directly from Plate I, Drawing No. 2044, of Wiancko's report, simplified, and reduced by a factor of 2.</p><p>The calculated anomaly is shown in Fig. 1. A polar chart similar to the type described on pages 153-154 of Heiland's \"Geophysical Exploration\" was used in computing the value of the anomaly. It was assumed that the feature is two-dimensional. Broken lines indicate values of limited accuracy. It should be mentioned here that Mr. Roland Henderson and Mr. Isidore Zietz of the Section of Geophysics of the Geological Survey carried out the calculations and plotted Fig. 1.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/70210471","usgsCitation":"Dana, S.W., 1949, Calculated gravity anomaly produced by possible fault under line 27-48: Geological Investigations, Naval Petroleum Reserve No. 4, Alaska 4, 3 p., https://doi.org/10.3133/70210471.","productDescription":"3 p.","costCenters":[],"links":[{"id":401308,"rank":3,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/unnumbered/70210471/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":375341,"rank":1,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_74624.htm","linkFileType":{"id":5,"text":"html"}},{"id":396732,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/unnumbered/70210471/report-thumb.jpg"}],"country":"United States","state":"Alaska","otherGeospatial":"Naval Petroleum Reserve No. 4","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -155,\n              70.1667\n            ],\n            [\n              -150.5,\n              70.1667\n            ],\n            [\n              -150.5,\n              70.8333\n            ],\n            [\n              -155,\n              70.8333\n            ],\n            [\n              -155,\n              70.1667\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Dana, Stephen W.","contributorId":287899,"corporation":false,"usgs":false,"family":"Dana","given":"Stephen","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":837180,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
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