Research and promotional materials, 1960-2013, pertaining to the book "Hidden Gems and Towering Tales: A Hancock, Michigan Anthology," edited by Laura Mohon and John S. Haeussler.

Research material, 1979, for the historic walking tour of Calumet, Michigan, "A Step in Time: A Walking Tour of Calumet, Michigan." Includes brochures, notes and source material, an annotated copy of the 1979 Calumet Downtown Historic District Plan, and a photocopy of and notes from the 1899-1900 Polk Directory for Calumet.

Records, 1957-1977, of the Houghton County Board of Commissioners in Houghton County, Michigan.

Collection, 1978, 2012-2015, of material related to the Jacobsville History Project.

Collection, 1935-2022, of material related to Camp Sidnaw.

Records, 1893-1939, include the published proceedings of the Lake Superior Mining Institute as well as other ephemera.

Collection, 1819-1978, of John Munro Longyear relating to the coal operations of the Svalbard Archipelago in the Arctic Ocean north of Norway, especially on Spitsbergen, the largest island. Includes photographs, publications, newspaper clippings, maps, and correspondence. Some published items are in various non-English languages; English translations are available for a portion of the publications.

This collection covers the process around radioactive waste disposal in Michigan and the public reaction to the plans. Includes background information on radioactive waste disposal and effects, reports, and criteria for potential disposal sites as well as governmental regulations. Also includes clippings, newsletters, and publications documenting the public's reaction against the potential disposal sites.

Collection includes special edition of Michigan History magazine, "The Mighty Mac at 50," July/August 2007. Also includes compact disc containing the nomination package materials from the Michigan Section of the American Society of Civil Engineers for the recognition of the Mackinac Bridge as an ASCE National Historic Civil Engineering Landmark, September 2009.

Papers, circa 1939-circa 1953, of Dr. Marriott W. Bredekamp, a professor of chemical engineering at Michigan Technological University in Houghton, Michigan. Includes lab notebooks, chemical engineering courses lab experiments, research documents, class notes and homework, departmental files and publications.