Mineral Resources On-Line Spatial Data
Probabilistic estimates of the amounts of undiscovered gold, silver, copper, lead, and zinc in conventional types of mineral deposits in the United States.
URL: | http://pubs.usgs.gov/of/1996/of96-096/ |
Originators | U.S. Geological Survey |
Publisher | Geological Survey (U.S.) |
Date | 1996 |
Publication | Open-File Report 96-96 |