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1913

McInnes, William, Dowling, D.B., Leach, …

Cross-sections in France. Coal Resources …

Geologic Atlas

1913

McInnes, William, Dowling, D.B., Leach, …

Coal Fields, France. Coal Resources of t …

Geologic Atlas

1913

McInnes, William, Dowling, D.B., Leach, …

Coal Fields, France. Coal Resources of t …

Geologic Atlas

1913

McInnes, William, Dowling, D.B., Leach, …

Coal Fields, France. Coal Resources of t …

Geologic Atlas

1913

McInnes, William, Dowling, D.B., Leach, …

Coal Fields, France. Coal Resources of t …

Geologic Atlas

1913

McInnes, William, Dowling, D.B., Leach, …

Coal Fields, France. Coal Resources of t …

Geologic Atlas