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1913 Covers: Atlas of Coal Resour … Geologic Atlas (Covers to) The Coal Resourc … |
1913 Coal Fields No. 1, Austria. … 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. 7, Austria. … Geologic Atlas Coal Resources of the World. … |
1913 Coal Fields No. 8, Austria. … Geologic Atlas Coal Resources of the World. … |