NPS (National Parks Service) Bridge Recording Project in National Parks -- Photo Mechanical Transfers -- Zion National Park -- Utah

NPS (National Parks Service) Bridge Recording Project in National Parks -- Photo Mechanical Transfers -- Zion National Park -- Utah, Box: 66, Folder: 1. 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/127610 Accessed November 22, 2024.