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1870 Plate 6. Longitudinal Elevat … Geologic Atlas Plate 6. Longitudinal Elevat … |
1870 Plate 7. Longitudinal Elevat … Geologic Atlas Plate 7. Longitudinal Elevat … |
1870 Plate 8. Cross Sections Gold … Geologic Atlas Plate 8. Cross Sections Gold … |
1870 Plate 11. Cross Sections Vir … Geologic Atlas Plate 11. Cross Sections Vir … |
1870 Plate 12. Sections, Comstock … Geologic Atlas Plate 12. Sections, Comstock … |
1870 Plate 9. Cross Sections Virg … Geologic Atlas Plate 9. Cross Sections Virg … |
1870 Plate 10. Cross Sections Vir … Geologic Atlas Plate 10. Cross Sections Vir … |