Maps -- Topography Monongahela River; U.S. Army Corps of Engineers [31 sheets], 1991 July

Maps -- Topography Monongahela River; U.S. Army Corps of Engineers [31 sheets], 1991 July, Map Case: 11, Drawer: 3, Folder: 7. Institute for the History of Technology and Industrial Archaeology Records, A&M 3936. West Virginia and Regional History Center. https://archives.lib.wvu.edu/repositories/2/archival_objects/188115 Accessed November 26, 2024.