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You searched for: Author Geological Survey (U.S.) Remove constraint Author: Geological Survey (U.S.) Subject Coal Remove constraint Subject: Coal Institution MIT Remove constraint Institution: MIT
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1. Coal investigations

Geological Survey (U.S.). U.S. Geological Survey,.

2. Coal movement by highways, 1974

Geological Survey (U.S.). U.S. Geological Survey,.

3. Coal movement by railroads, 1974

Geological Survey (U.S.). The U.S. Geological Survey,.

4. Coal movement by water, 1974

Geological Survey (U.S.). U.S. Geological Survey,.

5. Total coal movement, 1974

Geological Survey (U.S.). U.S. Geological Survey,.