1998 assessment of undiscovered deposits of gold, silver, copper, lead, and zinc in the United States
by the U.S. Geological survey mineral resource assessment team
Bok Engelsk 2002
| Utgitt | Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey , 2002
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|---|---|
| Omfang | 21 s. : ill.
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| Opplysninger | "Overview of the 1998 National mineral resource assessment". - 1 optisk plate (CD-ROM ) i lomme
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| Emner | |
| ISBN | 0607951117
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