MS-873, Rock of Ages Lighthouse Logbook, Michigan Technological University Archives and Copper Country Historical Collections, Houghton, Michigan.
Cite Item Description
MS-873, Rock of Ages Lighthouse Logbook, Michigan Technological University Archives and Copper Country Historical Collections, Houghton, Michigan. https://michigantech.libraryhost.com/repositories/2/resources/536 Accessed May 29, 2025.
