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1870 Plate 2. Geological Map of the Washoe Mi … Geologic Atlas Plate 2. Geological Map of the Washoe Mi … |
1870 Plate 3. Horizontal Map Gold Hill Mines … Geologic Atlas Plate 3. Horizontal Map Gold Hill Mines … |
1870 Plate 4. Horizontal Map Virginia Mines W … Geologic Atlas Plate 4. Horizontal Map Virginia Mines W … |
1870 Plate 5. Horizontal Map North Virginia M … Geologic Atlas Plate 5. Horizontal Map North Virginia M … |