Topographical Map of the District of Columbia and a portion of Virginia, United States Corps of Engineers, undated

Topographical Map of the District of Columbia and a portion of Virginia, United States Corps of Engineers, undated, Box: 95, Item: 198. 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/155922 Accessed November 23, 2024.