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You searched for: Acquisition Source Telander, Rory J., University of Wyoming. American Heritage Center Remove constraint Acquisition Source: Telander, Rory J., University of Wyoming. American Heritage Center Topical Subjects Coal-mining machinery. Remove constraint Topical Subjects: Coal-mining machinery. Topical Subjects Coal mines and mining. Remove constraint Topical Subjects: Coal mines and mining. Topical Subjects Coal Mines and Mining. Remove constraint Topical Subjects: Coal Mines and Mining.
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