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Preliminary map of tin occurrence areas in the conterminous United States
Scanned image of map drawn at 1:5,000,000 scale, projection probably Lambert Conformal Conic, monochrome. |
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Geologic map of the east half of the Lime Hills 1:250,000-scale quadrangle, Alaska
This map, compiled from geologic mapping conducted (1985-1992) by the U.S. Geological Survey as part of the Alaska Mineral Resource Assessment Program, builds upon previous USGS work unraveling the magmatic history of the Alaska-Aleutian Range batholith. |
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