Color slides, 1959-1980, belonging to the Croteau Family.

Photograph collection, 1938-1989, 2003, of Herman Gundlach, Jr., president of Herman Gundlach, Inc., a construction company based in Houghton, Michigan. Includes photographs from 84 photo albums showing buildings constrcuted by Herman Gundlach and successive contruction firms. Most buildings are in Michigan's Upper Peninsula, espcially Houghton and Ontonagon counties.

Postcards, undated, showing machinery made for different clients by Lake Shore Engine Works of Marquette, Michigan. Series of 27 promotional postcards bound in accordion folded catalog. On the back of each postcard is a caption for the image, sometimes including specifications as well as solicitations for customers.

Records, 2000, documenting the Virtual Upper Peninsula (VUP) project, a product of the Michigan Technological University's Humanities 3120 course, Fall 2000.