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You searched for: All Creators Monongahela Railway Company. Remove constraint All Creators: Monongahela Railway Company. All Creators Valley Railroad Company. Remove constraint All Creators: Valley Railroad Company. Subject Topical Coal mines and mining--United States. Remove constraint Subject Topical: Coal mines and mining--United States. Subject Topical Coal transportation--United States. Remove constraint Subject Topical: Coal transportation--United States. Subject Topical Railroads--Freight--Rates--United States. Remove constraint Subject Topical: Railroads--Freight--Rates--United States.

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