MS-012, Quincy Mining Company Engineering Drawings Collection, Michigan Technological University Archives and Copper Country Historical Collections, Houghton, Michigan.
Cite Item Description
MS-012, Quincy Mining Company Engineering Drawings Collection, Michigan Technological University Archives and Copper Country Historical Collections, Houghton, Michigan. https://michigantech.libraryhost.com/repositories/2/resources/11 Accessed January 18, 2025.
