Date: 2014-09-23 15:52:07Aviation accidents and incidents Pennsylvania U.S. Route 19 Somerset County Pennsylvania Delaware River Port Authority U.S. Route 30 in Pennsylvania Flight 93 National Memorial Shanksville Pennsylvania U.S. Route 219 in Pennsylvania United Airlines Flight 93 Transportation in West Virginia September 11 attacks | | National Park Service U.S. Department of the Interior National Park Service U.S. Department of the InteriorAdd to Reading ListSource URL: www.nps.govDownload Document from Source Website File Size: 634,85 KBShare Document on Facebook
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