Photograph collection, 1952-1953, compiled by Edward Yarbrough of the White Pine mine. Contains photographs of the construction undertaken in 1952-1953 of the new "White Pine" project that would mine and mill the previously thought to be worthless chalcocite. Also includes photographs of the town and the mine.

Collection, 1864-1953, of Wilbert Salmi, a resident of Toivola and Hancock, Michigan.

Articles and letters for Reverend Stephen Polkinghorne, the father of Wilfrid C. Polkinghorne; newspaper articles, letters, pictures, and awards for Wilfrid C. Polkinghorne.

Photograph collection, Approximately 1890-1980, of William H. Brinkman of Redridge, Michigan. Greater part of collection includes images of the Freda and Beacon Hill area of Houghton County, Michigan. Depicts local people, area mining operations, schools, town scenes and group photos.

Research materials and personal papers, 1956-2019, of William "Bill" J. Sproule.

Papers, 1900-1925, of William J. Uren of Houghton, Michigan. Includes photographs of the Ahmeek Mill construction, building of the Douglas Houghton Memorial in Eagle River, Michigan as well as other mining related images. Also includes postcards, newspaper clippings and two legal briefs on the proceedings of the Calumet and Hecla Mining Company acquisition of the Bigelow group of mines, including the Ahmeek, Isle Royale, Osceola Consolidated, Seneca and Tamarack Mining Companies.

Photograph album, 1898, of William Alexander McCurdy depicting scenes from Michigan College of Mines. Includes photographs of classes, local scenes and student antics.

Photographs, circa 1910, of William Zimmerman, family members, friends, and scenery along Lake Superior and the Gogebic iron range.

Papers, 1913-1956, compiled by Eloise Liddicoat, pertaining to the Williams, Engstrom, and Liddicoat families of Kearsarge, Michigan. Includes birth certificates, diplomas, marriage certificates, Army and Coast Guard commissions and discharges, photographs, and clippings as well as genealogical information.