MTU-158, Henry Olk Field Notebooks, Michigan Technological University Archives and Copper Country Historical Collections, Houghton, Michigan.
Cite Item Description
MTU-158, Henry Olk Field Notebooks, Michigan Technological University Archives and Copper Country Historical Collections, Houghton, Michigan. https://michigantech.libraryhost.com/repositories/2/resources/774 Accessed November 21, 2024.
