Papers, 1928-1991, of Lloyal Bacon, a professor of geophysics at the Michigan College of Mining and Technology (now Michigan Technological University) in Houghton, Michigan.

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, undated, compiled by the Mining Engineering Department at Michigan Technological University in Houghton, Michigan for use in classroom instruction. Includes glass lantern slides, photographic negatives, and photographic prints of Michigan copper and iron mining, as well as mining from other parts of the world.