National Park Service U.S. Department of the Interior Natural Resource Program Center Allegheny Portage Railroad National Historic Site

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Date: 2008-09-26 11:34:22 Allegheny Front Appalachian Mountains National Park Service Physiographic province Staple Bend Tunnel Ridge-and-Valley Appalachians Geography of the United States United States Allegheny Portage Railroad		National Park Service U.S. Department of the Interior Natural Resource Program Center Allegheny Portage Railroad National Historic Site Add to Reading List Source URL: nature.nps.gov Download Document from Source Website File Size: 1,77 MB Share Document on Facebook

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