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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 Date Undated Remove constraint Date: Undated 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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On the back: "8' surface, 10' shale."
In the bottom right of the portrait, mine workers are laying down railroad tracks.