MS-004, Calumet and Hecla Mining Companies Media Collection, Michigan Technological University Archives and Copper Country Historical Collections, Houghton, Michigan.
Cite Item Description
MS-004, Calumet and Hecla Mining Companies Media Collection, Michigan Technological University Archives and Copper Country Historical Collections, Houghton, Michigan. https://michigantech.libraryhost.com/repositories/2/resources/4 Accessed November 01, 2024.
