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Mineralogical map showing the distribution of selected ore-related minerals identified in nonmagnetic heavy-mineral concentrates from the Ugashik, Bristol Bay, and western Karluk quadrangles, Alaska Mineralogical map showing the distribution of selected ore-related minerals identified in nonmagnetic heavy-mineral concentrates from the Ugashik, Bristol Bay, and western Karluk quadrangles, Alaska

No abstract available.

Mines, prospects, and mineral sites, wilderness and RARE II areas, White Mountain National Forest, New Hampshire Mines, prospects, and mineral sites, wilderness and RARE II areas, White Mountain National Forest, New Hampshire

The Wilderness Act (Public Law 88-577, September 3, 1964) and related acts require the U.S. Geological Survey and the U.S. Bureau of Mines to survey certain areas on Federal lands to determine their mineral value, if any, that may be present. Results must be made available to the public and be submitted to the President and the Congress. This report presents the results of investigations...

Non-placer mineral occurrences in the Solomon, Bendeleben, and southern part of the Kotzebue quadrangles, western Alaska Non-placer mineral occurrences in the Solomon, Bendeleben, and southern part of the Kotzebue quadrangles, western Alaska

No abstract available.

Phanerozoic structural features in the northern Midcontinent, U.S.A. Phanerozoic structural features in the northern Midcontinent, U.S.A.

Because Precambrian structural features may represent controls for undiscovered mineral deposits hosted by Phanerozoic sedimentary rocks, this map was prepared to evaluate the possibility of locating Precambrian structural features by their expression in the structures of the overlying Phanerozoic rocks. The map includes most known Phanerozoic structural features in the region: areas of

Photogeologic and reconnaissance geologic map of the Circle L Creek Quadrangle, Custer County, Montana Photogeologic and reconnaissance geologic map of the Circle L Creek Quadrangle, Custer County, Montana

No abstract available.

Photogeologic and reconnaissance geologic map of the Garland School Quadrangle, Custer County, Montana Photogeologic and reconnaissance geologic map of the Garland School Quadrangle, Custer County, Montana

No abstract available.
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