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1913 Main Coal Basin, New South W … Geologic Atlas Coal Resources of the World. … |
1913 Collie Coalfield, West Austr … Geologic Atlas Coal Resources of the World. … |
1913 Fu-Shun Geologic Sections. M … Geologic Atlas Coal Resources of the World. … |
1913 Witbank, South Africa. Coal … Geologic Atlas Coal Resources of the World. … |
1913 Cross-sections in France. Co … Geologic Atlas Coal Resources of the World. … |
1913 Coal Fields, France. Coal Re … Geologic Atlas Coal Resources of the World. … |
1913 Coal Fields, France. Coal Re … Geologic Atlas Coal Resources of the World. … |
1913 Coal Fields, France. Coal Re … Geologic Atlas Coal Resources of the World. … |
1913 Coal Fields, France. Coal Re … Geologic Atlas Coal Resources of the World. … |
1913 Coal Fields, France. Coal Re … Geologic Atlas Coal Resources of the World. … |
1913 Coal Fields No. 2, Austria. … Geologic Atlas Coal Resources of the World. … |
1913 Coal Fields No. 3, Austria. … Geologic Atlas Coal Resources of the World. … |
1913 Coal Fields No. 4, Austria. … Geologic Atlas Coal Resources of the World. … |
1913 Coal Fields No. 5, Austria. … Geologic Atlas Coal Resources of the World. … |
1913 Coal Fields No. 6, Austria. … Geologic Atlas Coal Resources of the World. … |