Linked Data Explorer
National mineral-resource assessment : the 1996 estimate of undiscovered gold, silver, copper, lead, and zinc remaining in the United States
- "1996 estimate of undiscovered gold, silver, copper, lead, and zinc remaining in the United States"@en
- "National mineral-resource assessment : the 1996 estimate of undiscovered gold, silver, copper, lead, and zinc remaining in the United States"@en