National Geologic Map Database
Product Description Page
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Title: U.S. Geological Survey National Mineral Resource Assessment -- an estimate of undiscovered deposits of gold, silver, copper, lead, and zinc in the United States
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Author(s): Schulz, K.J., and Briskey, J.A.
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Publishing Organization: U.S. Geological Survey
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Series and Number: Circular 1294 [paper 18]
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Larger Work: Proceedings for a workshop on deposit modeling, mineral resource assessment, and their role in sustainable development
- Publication Date: 2007
- Map Scale: 1:23,500,000
- Cross Section: None
- North Latitude: 49° 0' 0" N (49.0000)
- South Latitude: 25° 0' 0" N (25.0000)
- East Longitude: 67° 0' 0" W (-67.0000)
- West Longitude: 124° 45' 0" W (-124.7500)
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