Assessment of undiscovered deposits of gold, silver, copper, lead, and zinc in the United States : a portable document (PDF) recompilation of USGS OFR 96-96 and Circular 1178 /

Contains the results of a national mineral resource assessment study. Identifies regional tracts of ground believed to contain most of the nation's undiscovered resources of gold, silver, copper, lead, and zinc in conventional types of deposits. Includes probabilistic estimates of the amounts...

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Bibliographic Details

Corporate Authors:	Geological Survey (U.S.), U.S. Geological Survey National Mineral Resource Assessment Team
Other Authors:	Schruben, Paul G.
Format:	Government Document Software eBook
Language:	English
Published:	Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2002.
Series:	U.S. Geological Survey open-file report ; 02-198.
Subjects:	Mines and mineral resources > United States. Ore deposits > United States.