MS-1002, Copper Range Smelting Operations Data Book and Transcription, Michigan Technological University Archives and Copper Country Historical Collections, Houghton, Michigan.
Cite Item Description
MS-1002, Copper Range Smelting Operations Data Book and Transcription, Michigan Technological University Archives and Copper Country Historical Collections, Houghton, Michigan. https://michigantech.libraryhost.com/repositories/2/resources/900 Accessed November 25, 2024.
