Photograph collection, undated, of aerial photographs of Houghton, Baraga and Keweenaw Counties in Michigan's Upper Peninsula.

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

Black and white aerial photographs, circa 1938, of the Copper Country.

Collection, late 19th century-20th century, of oversize framed items compiled by the Michigan Technological University Archives and Copper Country Historical Collections in Houghton, Michigan. Includes paintings and photographs, including portraits of local dignitaries, aerial photographs and Michigan Technological University class photographs.

Collection, circa 1956-circa 1965, of Facilities Management at Michigan Technological University in Houghton, Michigan. Includes slides and lantern slides of campus systems and operating records including piping diagrams, steam distribution diagrams, central heat plant daily, monthly and yearly logs, and various other schematics. Also includes series of aerial photographs of the campus in 1956 with markings indicating planning for the relocation of highway US 41.

Photograph collection, circa 1947, taken by Wendell J. Kraft with preservation help by his wife, M. Jean Kraft. Photographs and negative include aerial images of Houghton and Keweenaw Counties in Michigan's Upper Peninsula. Also includes some historic mine site photographs.