MS-579, Isle Royale Copper Company Time Book, Michigan Technological University Archives and Copper Country Historical Collections, Houghton, Michigan.
Cite Item Description
MS-579, Isle Royale Copper Company Time Book, Michigan Technological University Archives and Copper Country Historical Collections, Houghton, Michigan. https://michigantech.libraryhost.com/repositories/2/resources/248 Accessed November 01, 2024.
