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Title: Anthracite Coal 'blue Coal' Huber Breaker: Ashley, Pennsylvania
Description: Washington, D.C., Historic American Engineering Record, 2005, Reprint. Spiral bound wrappers , Fine, Fine in wrappers. 11"x17" stiff paper, printed on rectos only. Set of 7 drawings: The drawings were executed, in 1991 as part of the Historic American Engineering Record, a program to docut is part of the National Park Service, U.S. Dept of the Interior.

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