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1870 Plate 6. Longitudinal Elevation Gold Hil … Geologic Atlas Plate 6. Longitudinal Elevation Gold Hil … |
1870 Plate 7. Longitudinal Elevation Virginia … Geologic Atlas Plate 7. Longitudinal Elevation Virginia … |
1870 Plate 8. Cross Sections Gold Hill Mines, … Geologic Atlas Plate 8. Cross Sections Gold Hill Mines, … |
1870 Plate 11. Cross Sections Virginia Mines, … Geologic Atlas Plate 11. Cross Sections Virginia Mines, … |
1870 Plate 12. Sections, Comstock Lode. Geologic Atlas Plate 12. Sections, Comstock Lode. |
1870 Plate 9. Cross Sections Virginia Mines, … Geologic Atlas Plate 9. Cross Sections Virginia Mines, … |
1870 Plate 10. Cross Sections Virginia Mines, … Geologic Atlas Plate 10. Cross Sections Virginia Mines, … |
1913 Main Coal Basin, New South Wales, Austra … Geologic Atlas Coal Resources of the World. New South W … |
1913 Collie Coalfield, West Australia. Coal R … Geologic Atlas Coal Resources of the World. West Austra … |
1913 Fu-Shun Geologic Sections. Manchuria. Co … Geologic Atlas Coal Resources of the World. Manchuria. … |
1913 Witbank, South Africa. Coal Resources of … Geologic Atlas Coal Resources of the World. South Afric … |
1913 Cross-sections in France. Coal Resources … Geologic Atlas Coal Resources of the World. France. Map … |
1913 Coal Fields, France. Coal Resources of t … Geologic Atlas Coal Resources of the World. France. Map … |
1913 Coal Fields, France. Coal Resources of t … Geologic Atlas Coal Resources of the World. France. Map … |
1913 Coal Fields, France. Coal Resources of t … Geologic Atlas Coal Resources of the World. France. Map … |
1913 Coal Fields, France. Coal Resources of t … Geologic Atlas Coal Resources of the World. France. Map … |
1913 Coal Fields, France. Coal Resources of t … Geologic Atlas Coal Resources of the World. France. Map … |
1913 Coal Fields No. 2, Austria. Coal Resourc … Geologic Atlas Coal Resources of the World. Austria. Ma … |
1913 Coal Fields No. 3, Austria. Coal Resourc … Geologic Atlas Coal Resources of the World. Austria. Ma … |
1913 Coal Fields No. 4, Austria. Coal Resourc … Geologic Atlas Coal Resources of the World. Austria. Ma … |
1913 Coal Fields No. 5, Austria. Coal Resourc … Geologic Atlas Coal Resources of the World. Austria. Ma … |
1913 Coal Fields No. 6, Austria. Coal Resourc … Geologic Atlas Coal Resources of the World. Austria. Ma … |