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

APA Citation

U.S. Geological Survey National Mineral Resource Assessment Team. (1999). 1998 assessment of undiscovered deposits of gold, silver, copper, lead, and zinc in the United States. Washington: U.S. G.P.O. .

MLA Citation

U.S. Geological Survey National Mineral Resource Assessment Team. 1998 Assessment of Undiscovered Deposits of Gold, Silver, Copper, Lead, And Zinc In the United States. Washington: U.S. G.P.O. , 1999.

Warning: These citations may not always be complete (especially for serials).