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National Mineral-Resource Assessment: The 1996 estimate of undiscovered gold, silver, copper, lead, and zinc remaining in the United States

January 1, 1997
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Mining has occurred in the United States from pre-Revolutionary times. How much of our Nation's total mineral wealth has already been discovered? How much is left? For conventional-type deposits that contain gold, silver, copper, lead, or zinc, about as much is left to be discovered in the conterminous 48 States as has already been discovered.

Citation Information

Publication Year 1997
Title National Mineral-Resource Assessment: The 1996 estimate of undiscovered gold, silver, copper, lead, and zinc remaining in the United States
DOI 10.3133/70220355
Authors Joseph A. Briskey, Paul G. Schruben
Publication Type Report
Publication Subtype USGS Unnumbered Series
Series Title Information Handout
Index ID 70220355
Record Source USGS Publications Warehouse