United States Department of the Interior, Geological Survey, Historic American Engineering Record, Blair Mountain, WV 50, Mine Supply Building, Logan, West Virginia; Ethel Coal Company: Mine Supply Building (Warehouse),Topographical Map, undated

United States Department of the Interior, Geological Survey, Historic American Engineering Record, Blair Mountain, WV 50, Mine Supply Building, Logan, West Virginia; Ethel Coal Company: Mine Supply Building (Warehouse),Topographical Map, undated, Box: 140, Item: 385. 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/156109 Accessed July 03, 2024.