Records, 2012-2013, of the Copper Country Survey, a historic preservation project which surveyed above-ground structures and historic resources in Keweenaw, Houghton, and Ontonagon counties as well as northwestern Baraga county. The Keweenaw National Historical Park Advisory Commission oversaw the survey.

Records, 1981-1990, of the Houghton County Historical Society in Lake Linden, Michigan. Includes minutes, financial statements, annual reports, correspondence, memos and lists of members as well as personal histories and programs from society events.

Research papers, circa 1915-circa 1936, of Charles Stetter on Vivian Johnson, Jr., a prominent resident of Laurium, Michigan and on the Vivian house and the Vivian Block building, both in Laurium. Includes what appears to be an oral history transcript as well as documents, photographs and clippings.

Photographs, circa 1990, from the summary report of the Michigan Copper Mining District Historical Resources Management Plan. Includes an executive summary of the plan and a film index with sketch maps indicating the location of photographs as well as photographs from the Upper Peninsula's Houghton and Keweenaw Counties.