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1870 Plate 1. Part of the U.S. En … Geologic Atlas Plate 1. Part of the U.S. En … |
1870 Plate 2. Geological Map of t … Geologic Atlas Plate 2. Geological Map of t … |
1870 Plate 3. Horizontal Map Gold … Geologic Atlas Plate 3. Horizontal Map Gold … |
1870 Plate 4. Horizontal Map Virg … Geologic Atlas Plate 4. Horizontal Map Virg … |
1870 Plate 13. Geological Map of … Geologic Atlas Plate 13. Geological Map of … |
1870 Plate 14. Geological Map of … Geologic Atlas Plate 14. Geological Map of … |
1870 Plate 5. Horizontal Map Nort … Geologic Atlas Plate 5. Horizontal Map Nort … |