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The Evolution of transportation in western Pennsylvania.

APA Citation

United States. Department of the Interior. Southwestern Pennsylvania Heritage Preservation Commission., United States. National Park Service. Denver Service Center. (1994). The Evolution of transportation in western Pennsylvania. [Denver, Colo.]: U.S. Dept. of the Interior, National Park Service, Denver Service Center.

MLA Citation

United States. Department of the Interior. Southwestern Pennsylvania Heritage Preservation Commission, and United States. National Park Service. Denver Service Center. The Evolution of Transportation In Western Pennsylvania. [Denver, Colo.]: U.S. Dept. of the Interior, National Park Service, Denver Service Center, 1994.

Warning: These citations may not always be complete (especially for serials).