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1913
McInnes, William, Dowling, D …
Covers: Atlas of Coal Resour …
Geologic Atlas
1913
Petrascheck, W.
Coal Fields No. 1, Austria. …
Geologic Atlas
1913
Petrascheck, W.
Coal Fields No. 2, Austria. …
Geologic Atlas
1913
Petrascheck, W.
Coal Fields No. 3, Austria. …
Geologic Atlas
1913
Petrascheck, W.
Coal Fields No. 4, Austria. …
Geologic Atlas
1913
Petrascheck, W.
Coal Fields No. 7, Austria. …
Geologic Atlas
1913
Petrascheck, W.
Coal Fields No. 8, Austria. …
Geologic Atlas