This series contains meeting and donation records of the Houghton County Historical Society and Mining Institute.

This subseries includes financial and meeting records, as well as correspondence from copper companies such as the Baltic Mining Company, Corbin Copper Company, and Franklin Mining Company, and from other organizations such as the Houghton County Anti-Tuberculosis Society and Old Setters Ball.

This subseries includes records from the Houghton County Clerk and Lake Linden Post Office, as well as the Michigan State Troops (later Michigan National Guard).

This subseries contains a large variety of photographs, correspondence, and other records collected by the society.

This series contains research files and ephemera collected by the Keweenaw Historical Society, including an extensive obituary file.

This series contains research files and ephemera collected by the Keweenaw Historical Society, including an extensive obituary file.

This series contains research files and ephemera collected by the Keweenaw Historical Society, including an extensive obituary file.

This series contains research files and ephemera collected by the Keweenaw Historical Society, including an extensive obituary file.

This series contains research files and ephemera collected by the Keweenaw Historical Society, including an extensive obituary file.

This series contains research files and ephemera collected by the Keweenaw Historical Society, including an extensive obituary file.