1998 assessment of undiscovered deposits of gold, silver, copper, lead, and zinc in the United States / by the U.S. Geological Survey National Mineral Resource Assessment Team.
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| Corporate Author: | |
| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington :
U.S. G.P.O.,
1999.
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| Series: | U.S. Geological Survey circular ;
1178. |
| Subjects: |
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