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Page 69, results 1701 - 1725

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Map showing mineral-resource potential of the King Range and Chemise Mountain Instant Study Areas, Humboldt and Mendocino counties, California
R. J. McLaughlin, D. H. Sorg, H.N. Ohlin, E.C. Beutner
1981, Miscellaneous Field Studies Map 1196-C
The potential for economic development of energy-related or metallic mineral resources in the King Range and Chemise Mountain Instant Study Areas is low to moderate as indicated by geologic, geophysical, and geochemical investigations. No oil or gas seeps or coal seams were detected within the King Range or Chemise Mountain Study...
Map showing mineral resource potential of the Sierra Ancha Wilderness and Salome Study Area, Gila County, Arizona
James K. Otton, Thomas D. Light, Andrew F. Shride, Joel R. Bergquist, Chester T. Wrucke, Paul K. Theobald, Joseph S. Duval, Dolores M. Wilson
1981, Miscellaneous Field Studies Map 1162-H
The Wilderness Act (Public Law 88-577, Sept. 3, 1964) and certain related Acts require the Geological Survey and the Bureau of Mines to survey certain areas on Federal lands to determine their mineral-resource potential. Results must be made available to the public and be submitted to the Administration and the...
Map showing the oxygen isotope composition of granitoid rocks of the Basin-Range province
Donald E. Lee, Irving Friedman, J.D. Gleason
1981, Miscellaneous Field Studies Map 1305
This map presents oxygen suite of granitoid rocks from Province of Nevada, Utah, isotope data for a the Basin and Range California, and Arizona. Two random samples were collected each of two randomly selected plutons within 1° x 1° area. For this study, only the m.nnbered sample was analyzed except...
Geochemical survey of Shining Rock Wilderness, Heywood County, North Carolina
Frank G. Lesure
1981, Miscellaneous Field Studies Map 1290-B
The U.S. Geological Survey (USGS) made a reconnaissance geochemical survey of the Shining Rock Wilderness (fig. 1) to test for unidentified or unexposed mineral deposits that might be recognized by their geochemical halos.  Similar geochemical survey based on trace-element analyses have been credited with the discovery of many types of...
Maps showing aeromagnetic survey and geologic interpretation of the Chignik and Sutwik Island quadrangles, Alaska
J. E. Case, D. P. Cox, D.E. Detra, R. L. Detterman, Frederic H. Wilson
1981, Miscellaneous Field Studies Map 1053-B
An aeromagnetic survey over part of the Chignik and Sutwik Island quadrangles, on the southern Alaska Peninsula, was flown in 1977 as part of the Alaska mineral resource assessment program (AMRAP). Maps at scales 1:250,000 and 1:63,360 have been released on open-file (U.s. Geological Survey, 1978a, 1978b). This report includes...
Mineral resource potential of the Centennial Mountains Wilderness Study Area and contiguous areas, Idaho and Montana
I. J. Witkind, L.C. Huff, James Ridenour, M. D. Conyac, R.B. McCulloch
1981, Miscellaneous Field Studies Map 1342-B
The Centennial Mountains include parts of Beaverhead County, Montana, and Clark and Fremont Counties, Idaho; the mountains trend east, and the Continental Divide follows their crest (fig. 1). They form a massive, almost impassable barrier between Centennial Valley on the north and the broad expanse of the Snake River Plain...
Maps showing mineral resource potential of the Virgin Mountains Instant Study Area, Clark County, Nevada
Richard K. Hose, Robert R. Carlson, Francis E. Federspiel, James D. Huffsmith
1981, Miscellaneous Field Studies Map 1204-B
The Virgin Mountains Instant Study Area contains about 30,000 acres (12,000 ha) in southeastern Nevada. In accordance with the Federal Land Policy and Management Act (P.L. 94-579), the U.S. Bureau of Mines examined mines, prospects, and mineralized zones, and the U.S. Geological Survey made regional geologic, geophysical, and geochemical investigations....