Maps -- Historic Military, Exploration, Preservation, Topographic; Engineering Drawings -- U. S. Government Building, 1876 International Exhibition; P. S. Duval, H. Lawrence, George H. Cameron (contains originals) 30 sheets], 1847-1982 February 18

Maps -- Historic Military, Exploration, Preservation, Topographic; Engineering Drawings -- U. S. Government Building, 1876 International Exhibition; P. S. Duval, H. Lawrence, George H. Cameron (contains originals) 30 sheets], 1847-1982 February 18, Map Case: 11, Drawer: 6, Folder: 14. 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/188154 Accessed November 29, 2024.