MS-628, Conglomerate Mining Company Surface Time Book, Michigan Technological University Archives and Copper Country Historical Collections, Houghton, Michigan.
Cite Item Description
MS-628, Conglomerate Mining Company Surface Time Book, Michigan Technological University Archives and Copper Country Historical Collections, Houghton, Michigan. https://michigantech.libraryhost.com/repositories/2/resources/297 Accessed November 23, 2024.
