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You searched for: Author Geological Survey (U.S.) Remove constraint Author: Geological Survey (U.S.) Publisher The U.S. Geological Survey, Remove constraint Publisher: The U.S. Geological Survey, Subject Railroads Remove constraint Subject: Railroads Place United States Remove constraint Place: United States
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1. Coal movement by railroads, 1974

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