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,{"id":63798,"text":"gp731 - 1971 - Aeromagnetic map of the Townsend quadrangle, Middlesex and Worcester Counties, Massachusetts, and Hillsborough County, New Hampshire","interactions":[],"lastModifiedDate":"2025-06-26T19:53:03.628366","indexId":"gp731","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1971","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":317,"text":"Geophysical Investigations Map","code":"GP","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"731","title":"Aeromagnetic map of the Townsend quadrangle, Middlesex and Worcester Counties, Massachusetts, and Hillsborough County, New Hampshire","docAbstract":"<p>No abstract available.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/gp731","usgsCitation":"Water Resources Division, U.S. Geological Survey, 1971, Aeromagnetic map of the Townsend quadrangle, Middlesex and Worcester Counties, Massachusetts, and Hillsborough County, New Hampshire: U.S. Geological Survey Geophysical Investigations Map 731, 1 Plate: 22.85 x 32.74 inches, https://doi.org/10.3133/gp731.","productDescription":"1 Plate: 22.85 x 32.74 inches","costCenters":[],"links":[{"id":491475,"rank":4,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_6086.htm","linkFileType":{"id":5,"text":"html"}},{"id":250013,"rank":3,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/gp/0731/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":250012,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/gp/0731/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":253489,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/gp/0731/report-thumb.jpg"}],"scale":"24000","country":"United States","state":"Massachusetts, New Hampshire","county":"Hillsborough County, Middlesex County, Worcester County","otherGeospatial":"Townsend quadrangle","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -71.75,\n              42.75\n            ],\n            [\n              -71.75,\n              42.625\n            ],\n            [\n              -71.625,\n              42.625\n            ],\n            [\n              -71.625,\n              42.75\n            ],\n            [\n              -71.75,\n              42.75\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ae7e4b07f02db68c383","contributors":{"authors":[{"text":"Water Resources Division, U.S. Geological Survey","contributorId":128075,"corporation":true,"usgs":false,"organization":"Water Resources Division, U.S. Geological Survey","id":533267,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":63794,"text":"gp728 - 1971 - Aeromagnetic map of the Winchendon quadrangle, Worcester County, Massachusetts, and Cheshire County, New Hampshire","interactions":[],"lastModifiedDate":"2025-06-26T19:34:41.594915","indexId":"gp728","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1971","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":317,"text":"Geophysical Investigations Map","code":"GP","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"728","title":"Aeromagnetic map of the Winchendon quadrangle, Worcester County, Massachusetts, and Cheshire County, New Hampshire","docAbstract":"<p>No abstract available.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/gp728","usgsCitation":"Water Resources Division, U.S. Geological Survey, 1971, Aeromagnetic map of the Winchendon quadrangle, Worcester County, Massachusetts, and Cheshire County, New Hampshire: U.S. Geological Survey Geophysical Investigations Map 728, 1 Plate: 20.85 x 31.85 inches, https://doi.org/10.3133/gp728.","productDescription":"1 Plate: 20.85 x 31.85 inches","costCenters":[],"links":[{"id":253485,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/gp/0728/report-thumb.jpg"},{"id":250005,"rank":3,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/gp/0728/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":250004,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/gp/0728/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":491462,"rank":4,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_6083.htm","linkFileType":{"id":5,"text":"html"}}],"scale":"24000","country":"United States","state":"Massachusetts, New Hampshire","county":"Cheshire County, Worcester County","otherGeospatial":"Winchendon quadrangle","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -72.125,\n              42.75\n            ],\n            [\n              -72.125,\n              42.625\n            ],\n            [\n              -72,\n              42.625\n            ],\n            [\n              -72,\n              42.75\n            ],\n            [\n              -72.125,\n              42.75\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ae7e4b07f02db68bd31","contributors":{"authors":[{"text":"Water Resources Division, U.S. Geological Survey","contributorId":128075,"corporation":true,"usgs":false,"organization":"Water Resources Division, U.S. Geological Survey","id":533263,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":63791,"text":"gp775 - 1971 - Aeromagnetic map of the Whitman quadrangle, Plymouth County, Massachusetts","interactions":[],"lastModifiedDate":"2025-07-07T21:24:38.037748","indexId":"gp775","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1971","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":317,"text":"Geophysical Investigations Map","code":"GP","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"775","title":"Aeromagnetic map of the Whitman quadrangle, Plymouth County, Massachusetts","docAbstract":"<p>No abstract available.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/gp775","usgsCitation":"Water Resources Division, U.S. Geological Survey, 1971, Aeromagnetic map of the Whitman quadrangle, Plymouth County, Massachusetts: U.S. Geological Survey Geophysical Investigations Map 775, 1 Plate: 20.36 x 30.33 inches, https://doi.org/10.3133/gp775.","productDescription":"1 Plate: 20.36 x 30.33 inches","costCenters":[],"links":[{"id":491770,"rank":4,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_6130.htm","linkFileType":{"id":5,"text":"html"}},{"id":253482,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/gp/0775/report-thumb.jpg"},{"id":249999,"rank":3,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/gp/0775/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":249998,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/gp/0775/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"scale":"24000","country":"United States","state":"Massachusetts","county":"Plymouth County","otherGeospatial":"Whitman quadrangle","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -71,\n              42.125\n            ],\n            [\n              -71,\n              42\n            ],\n            [\n              -70.875,\n              42\n            ],\n            [\n              -70.875,\n              42.125\n            ],\n            [\n              -71,\n              42.125\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ae7e4b07f02db68bf6d","contributors":{"authors":[{"text":"Water Resources Division, U.S. Geological Survey","contributorId":128075,"corporation":true,"usgs":false,"organization":"Water Resources Division, U.S. Geological Survey","id":533260,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":12690,"text":"ofr7142 - 1971 - The vertical gradient of gravity in vertical and near vertical boreholes","interactions":[],"lastModifiedDate":"2026-05-27T14:24:53.040917","indexId":"ofr7142","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1971","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":"71-42","title":"The vertical gradient of gravity in vertical and near vertical boreholes","docAbstract":"<p>The vertical gradient of gravity is the rate of change of gravity in the direction of the plumb line. For a vertical borehole interval, it is approximated by the ratio of the gravity difference to the height difference as measured between the end points of the interval. The borehole vertical gradient is strongly affected by the densities of the rocks laterally adjacent to the well. Because of this useful effect, vertical (gravimetric) density profiles of the rooks adjacent to the borehole can be calculated from the borehole vertical gradients. A second useful effect, termed the \"anomalous\" vertical gradient, is caused by non-level equal-density surfaces related to the local and regional geology. The anomalous vertical gradient can enhance exploration beyond the confines of the borehole although it is a small and commonly negligible effect. These two useful effects are not determinable with absolute accuracy from observed borehole vertical gradients without independent subsurface rock density and (or) surface gravity information.</p><p>In this study observed vertical gradients from high-precision, detailed gravity surveys made in seven shallow oil wells that penetrate a late Cenozoic sequence of marine and non-marine rocks in the Midway-Sunset Oil Field, California, are interpreted to obtain vertical density profiles. These gravimetric density profiles are adjusted 1) for anomalous vertical gradients calculated from surface gravity maps end, alternatively, measured on a portable tower and 2) for small extraneous effects of surface topography. The unadjusted and adjusted density profiles are compared with density measurements of core samples.</p><p>The unadjusted density profiles of six wells are on the average systematically greater than core densities by .05 g/cm<sup>3</sup>. Adjusted profiles for the same wells agree with core densities to within .01 g/cm<sup>3</sup> on the average. Densities of an adjusted profile of a seventh well are .15 g/cm<sup>3</sup> less than those of the unadjusted profile and are in better agreement with core densities by that amount. However, residual systematic discrepancies between core and gravimetric densities for this seventh well indicate a measurable variation of the anomalous vertical gradient with depth and (or) lack of representative core density data.</p><p>Topographic effects and anomalous vertical gradients in boreholes are usually small and change slowly with depth but, in some instances, may be comparatively large and change rapidly with depth. In the former case, gravimetric density profiles unadjusted for these effects can be in error by as much as about .05 g/cm<sup>3</sup> and, in the latter case, by as much as several tenths of a g/cm<sup>3</sup>. In both cases, relative errors between neighboring parts of the density profiles are much smaller.</p><p>In cases where the anomalous vertical gradient changes appreciably with depth, it cannot be reliably estimated in the borehole from surface gravity measurements or from tower gradient measurements, which are especially sensitive to very shallow local density irregularities. At any borehole depth the anomalous gradient can be estimated from the difference between core and gravimetric densities of the same borehole interval. The core densities must be highly accurate and representative of the interval and the gravimetric density must he adjusted for topographic effects.</p><p>Measured borehole vertical gradients have precisions of .00025 to .00050 mgal/ft (8 to 16 Eotvos units) for vertical intervals as small as 10 feet (3 meters); this meets the most stringent requirements of recognized applications for borehole gravimetry. An ideal borehole density logging device would be an in-motion continuously recording vertical gravity gradiometer.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr7142","usgsCitation":"Beyer, L.A., 1971, The vertical gradient of gravity in vertical and near vertical boreholes: U.S. Geological Survey Open-File Report 71-42, xii, 217 leaves :ill., maps ;30 cm.; 229 p., https://doi.org/10.3133/ofr7142.","productDescription":"xii, 217 p.","costCenters":[],"links":[{"id":503316,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1971/0042/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":144664,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1971/0042/report-thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a58e4b07f02db62f08f","contributors":{"authors":[{"text":"Beyer, Larry A. lbeyer@usgs.gov","contributorId":2819,"corporation":false,"usgs":true,"family":"Beyer","given":"Larry","email":"lbeyer@usgs.gov","middleInitial":"A.","affiliations":[],"preferred":true,"id":166549,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":15717,"text":"ofr71242 - 1971 - Geology and economic potential for chromite in the Zhob Valley ultramafic rock complex, Hindubagh, Quetta division, West Pakistan","interactions":[],"lastModifiedDate":"2012-02-02T00:07:07","indexId":"ofr71242","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1971","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":"71-242","title":"Geology and economic potential for chromite in the Zhob Valley ultramafic rock complex, Hindubagh, Quetta division, West Pakistan","docAbstract":"The ultramafic rocks making up the Zhob Valley igneous complex have yielded small amounts of metallurgical-grade chromite since the early part of the century. From 1968-1970 a cooperative study undertaken by the Geological Survey of Pakistan and the U. S. Geological Survey, under the auspices of the Government of Pakistan and the Agency for International Development, evaluated the chromite potential of the Zhob Valley area and provided data for effective exploration. \r\n\r\nThe Jung Tor Ghar ultramafic rock mass, covering an area of about 45 square miles, is a thrust-fault block completely surrounded and underlain (?) by sedimentary rocks as young as Late Cretaceous in age. The igneous rocks were thrust from the northwest along an east-trending, north-dipping fault in Late Cretaceous or Paleocene time and were peneplaned, dissected, and deeply laterized by mid-Eocene time. \r\n\r\nThe ultramafic rocks consist of interlayered harzburgite and dunite and a cross-cutting dunite here called transgressive dunite. Layered structure passes without discernible deviation from the interlayered harzburgite-dunite through the transgressive dunite. The lowest rocks in the mass, composed mainly of transgressive dunite, grade upward into the interlayered rock about 3,000 feet above the fault block base. The upper transgressive dunites tend to form interconnecting linear networks and probably a few pipe-like structures. The transgressive dunite is thought to have formed by action of water derived from the underlying sedimentary rocks; the water heated by the hot ultramafic rock (at the time of emplacement) altered the pyroxene to olivine and talc, and, with lowering temperature, to serpentine. Other interpretations are possible. \r\n\r\nVirtually all the chromite in the Jung Tor Ghar lies in or immediately above the masses of transgressive dunite. This fact provides a key to chromite exploration: The most favorable zone for prospecting lies in the vicinity of the upper contacts of the transgressive dunite masses where they. are flatly dipping; if the transgressive dunite masses are steeply dipping or pipe-like, the chromite tends to be more centrally located. \r\n\r\nThe Jung Tor Ghar is believed to contain enough unmined chromite at practical minable depths to equal or exceed that mined to date but the individual deposits are likely to be small.","language":"ENGLISH","publisher":"U.S. Geological Survey,","doi":"10.3133/ofr71242","usgsCitation":"Rossman, D.L., Ahmad, Z., and Rahman, H., 1971, Geology and economic potential for chromite in the Zhob Valley ultramafic rock complex, Hindubagh, Quetta division, West Pakistan: U.S. Geological Survey Open-File Report 71-242, ii, 63 leaves :ill., maps ;27 cm., https://doi.org/10.3133/ofr71242.","productDescription":"ii, 63 leaves :ill., maps ;27 cm.","costCenters":[],"links":[{"id":148462,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1971/0242/report-thumb.jpg"},{"id":44731,"rank":400,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1971/0242/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":44732,"rank":401,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1971/0242/plate-2.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":44733,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1971/0242/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a81e4b07f02db64a28e","contributors":{"authors":[{"text":"Rossman, Darwin L.","contributorId":94663,"corporation":false,"usgs":true,"family":"Rossman","given":"Darwin","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":171595,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Ahmad, Zaki","contributorId":85205,"corporation":false,"usgs":true,"family":"Ahmad","given":"Zaki","email":"","affiliations":[],"preferred":false,"id":171594,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Rahman, Hamidur","contributorId":51757,"corporation":false,"usgs":true,"family":"Rahman","given":"Hamidur","email":"","affiliations":[],"preferred":false,"id":171593,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":63820,"text":"gp737 - 1971 - Aeromagnetic map of the Templeton quadrangle, Worcester County, Massachusetts","interactions":[],"lastModifiedDate":"2025-07-07T16:52:40.499601","indexId":"gp737","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1971","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":317,"text":"Geophysical Investigations Map","code":"GP","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"737","title":"Aeromagnetic map of the Templeton quadrangle, Worcester County, Massachusetts","docAbstract":"<p>No abstract available.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/gp737","usgsCitation":"Water Resources Division, U.S. Geological Survey, 1971, Aeromagnetic map of the Templeton quadrangle, Worcester County, Massachusetts: U.S. Geological Survey Geophysical Investigations Map 737, 1 Plate: 21.13 x 31.98 inches, https://doi.org/10.3133/gp737.","productDescription":"1 Plate: 21.13 x 31.98 inches","costCenters":[],"links":[{"id":491748,"rank":4,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_6092.htm","linkFileType":{"id":5,"text":"html"}},{"id":250056,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/gp/0737/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":253594,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/gp/0737/report-thumb.jpg"},{"id":250057,"rank":3,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/gp/0737/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}}],"scale":"24000","country":"United States","state":"Massachusetts","county":"Worcester County","otherGeospatial":"Templeton quadrangle","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -72,\n              42.5\n            ],\n            [\n              -72,\n              42.625\n            ],\n            [\n              -72.125,\n              42.625\n            ],\n            [\n              -72.125,\n              42.5\n            ],\n            [\n              -72,\n              42.5\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4aeee4b07f02db6910e8","contributors":{"authors":[{"text":"Water Resources Division, U.S. Geological Survey","contributorId":128075,"corporation":true,"usgs":false,"organization":"Water Resources Division, U.S. Geological Survey","id":533289,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":42025,"text":"ofr71292 - 1971 - Aeromagnetic map of the Custer, Elevenmile Creek, Sunbeam, Thompson Creek, and Clayton quadrangles, east-central Idaho","interactions":[{"subject":{"id":42025,"text":"ofr71292 - 1971 - Aeromagnetic map of the Custer, Elevenmile Creek, Sunbeam, Thompson Creek, and Clayton quadrangles, east-central Idaho","indexId":"ofr71292","publicationYear":"1971","noYear":false,"title":"Aeromagnetic map of the Custer, Elevenmile Creek, Sunbeam, Thompson Creek, and Clayton quadrangles, east-central Idaho"},"predicate":"SUPERSEDED_BY","object":{"id":64046,"text":"gp919 - 1978 - Aeromagnetic map of Idaho","indexId":"gp919","publicationYear":"1978","noYear":false,"title":"Aeromagnetic map of Idaho"},"id":1}],"supersededBy":{"id":64046,"text":"gp919 - 1978 - Aeromagnetic map of Idaho","indexId":"gp919","publicationYear":"1978","noYear":false,"title":"Aeromagnetic map of Idaho"},"lastModifiedDate":"2022-06-06T19:49:25.510987","indexId":"ofr71292","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1971","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":"71-292","title":"Aeromagnetic map of the Custer, Elevenmile Creek, Sunbeam, Thompson Creek, and Clayton quadrangles, east-central Idaho","docAbstract":"<p>No abstract available.&nbsp;</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr71292","usgsCitation":"Water Resources Division, U.S. Geological Survey, 1971, Aeromagnetic map of the Custer, Elevenmile Creek, Sunbeam, Thompson Creek, and Clayton quadrangles, east-central Idaho: U.S. Geological Survey Open-File Report 71-292, 1 Plate: 29.59 x 30.97 inches, https://doi.org/10.3133/ofr71292.","productDescription":"1 Plate: 29.59 x 30.97 inches","costCenters":[],"links":[{"id":175436,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1971/0292/report-thumb.jpg"},{"id":401811,"rank":2,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1971/0292/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}}],"scale":"62500","country":"United States","state":"Idaho","otherGeospatial":"Clayton Quadrangle, Custer Quadrangle, Elevenmile Creek Quadrangle, Sunbeam Quadrangle, Thompson Creek Quadrangle","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -115.103759765625,\n              44.762336674810996\n            ],\n            [\n              -113.675537109375,\n              44.762336674810996\n            ],\n            [\n              -113.675537109375,\n              45.30580259943578\n            ],\n            [\n              -115.103759765625,\n              45.30580259943578\n            ],\n            [\n              -115.103759765625,\n              44.762336674810996\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4af3e4b07f02db691c8f","contributors":{"authors":[{"text":"Water Resources Division, U.S. Geological Survey","contributorId":128075,"corporation":true,"usgs":false,"organization":"Water Resources Division, U.S. Geological Survey","id":530776,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
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,{"id":63829,"text":"gp740 - 1971 - Aeromagnetic map of the Shirley quadrangle, Worcester and Middlesex Counties, Massachusetts","interactions":[],"lastModifiedDate":"2025-07-07T17:13:14.724222","indexId":"gp740","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1971","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":317,"text":"Geophysical Investigations Map","code":"GP","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"740","title":"Aeromagnetic map of the Shirley quadrangle, Worcester and Middlesex Counties, Massachusetts","docAbstract":"<p>No abstract available.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/gp740","usgsCitation":"Water Resources Division, U.S. Geological Survey, 1971, Aeromagnetic map of the Shirley quadrangle, Worcester and Middlesex Counties, Massachusetts: U.S. Geological Survey Geophysical Investigations Map 740, 1 Plate: 19.90 x 30.35 inches, https://doi.org/10.3133/gp740.","productDescription":"1 Plate: 19.90 x 30.35 inches","costCenters":[],"links":[{"id":250075,"rank":3,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/gp/0740/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":250074,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/gp/0740/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":491751,"rank":4,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_6095.htm","linkFileType":{"id":5,"text":"html"}},{"id":253603,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/gp/0740/report-thumb.jpg"}],"scale":"24000","country":"United States","state":"Massachusetts","county":"Middlesex County, Worcester County","otherGeospatial":"Shirley quadrangle","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -71.75,\n              42.625\n            ],\n            [\n              -71.75,\n              42.5\n            ],\n            [\n              -71.625,\n              42.5\n            ],\n            [\n              -71.625,\n              42.625\n            ],\n            [\n              -71.75,\n              42.625\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4aeee4b07f02db691253","contributors":{"authors":[{"text":"Water Resources Division, U.S. Geological Survey","contributorId":128075,"corporation":true,"usgs":false,"organization":"Water Resources Division, U.S. Geological Survey","id":533298,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
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,{"id":4322,"text":"cir666 - 1971 - Index of surface-water records to September 30, 1970; Part 16, Hawaii and other Pacific areas","interactions":[],"lastModifiedDate":"2012-02-02T00:05:29","indexId":"cir666","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1971","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":"666","title":"Index of surface-water records to September 30, 1970; Part 16, Hawaii and other Pacific areas","language":"ENGLISH","publisher":"U.S. Dept. of the Interior, Geological Survey,","doi":"10.3133/cir666","usgsCitation":"Water Resources Division, U.S. Geological Survey, 1971, Index of surface-water records to September 30, 1970; Part 16, Hawaii and other Pacific areas: U.S. Geological Survey Circular 666, 27 p. :ill. ;27 cm., https://doi.org/10.3133/cir666.","productDescription":"27 p. :ill. ;27 cm.","costCenters":[],"links":[{"id":117106,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/circ/1971/0666/report-thumb.jpg"},{"id":31432,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/circ/1971/0666/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49f8e4b07f02db5f2bed","contributors":{"authors":[{"text":"Water Resources Division, U.S. Geological Survey","contributorId":128075,"corporation":true,"usgs":false,"organization":"Water Resources Division, U.S. Geological Survey","id":528184,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
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