ASCE National Historic Civil Engineering Landmark Award Nomination Package, 2019, for the Portage Lake Bridge.

Ephemera, 1996-2007, compiled by Roland Bruce Burgan on the history of radio and television broadcasting in Michigan's Copper Country. Includes newspaper clippings as well as other printed ephemera.

Papers, 1889-1988, documenting the family history of the Brodeur and Banks family, primarily Alvin J. Brodeur and Esther Ruby Banks and various family travels.

Stereographs, circa 1910, produced by the Keystone View Company depicting the Calumet and Hecla Mining Company operations in Calumet, Michigan.

Papers, 2003, of Calumet High School Advanced Placement English students, Calumet, Michigan. Paper topics include the Portage Lake Lift Bridge, the Houghton County Infirmary/Poor House, World War II fighter pilot Wilbert Junttila, and the Crowley Funeral Home.

Collection, 1948, of four black and white negatives of the Calumet Public Hospital and its staff.

Glass plate negatives, circa 1903-1910, taken by and depicting the extended Coon family of Hancock, their daily lives, and their friends and associates.

Board game, 1981-1987, developed by Stanley J. Dyl, a resident of Calumet, Michigan. Includes game board, pieces, and rules as well as design notes.

Reports, 2012-2021, of the Copper Country Audubon.