Collection, 1954-after 1982, of manuscripts based on civilian diver Carl Peterson's account of his participation in the Osceola Mine Dewatering Project. Also included are copies of photographs of the project and an article "Unwatering the Osceola Lode" (Kramer, A.S. et al. Reprinted from Mining Engineering, April 1956).

Collection, circa 1966-circa 1978, of Congressman Philip E. Ruppe, a former politician from Michigan and a native of Laurium, Michigan. Collection documents his role in Congress and consist of correspondence from constituents, statements on Upper Peninsula issues, tapes and memorabilia.

Records, 1988-1990, of the Copper Country Citizens for Recycling, a community-based advocacy group in Michigan's Copper Country concerned with recycling issues and options. Includes correspondence, financial records, clippings, work proposals, meeting agendas, and other printed ephemera.

Records, circa 1972-circa 1982, of the Copper Country Community Arts Council based in Hancock, Michigan. Includes minutes, annual reports, correspondence, newsletters, membership records, grant application and award files, program and program proposal files, clippings, scrapbooks, and other printed ephemera.

Records, 1898-1988, of the Copper Country Dairy, Inc. of Dollar Bay, Michigan. Includes deeds and construction plans, financial records, inventory lists, distribution documents, marketing data and operational data as well as bankruptcy and closing documents and an embossing stamp. Also includes some records from the Copper Country Cheese Co-op, Inc.

Newsletters, 1995-2002, of the Copper Country Habitat for Humanity located in Houghton, Michigan.

Store ledgers, 1868-1888, from unidentified stores in Michigan's Copper Country. While the seven ledgers probably come from different stores, they all appear to have been general stores, selling a variety of goods from foodstuffs to hardware. The corporate customers listed indicate the general geographical area as the Copper Country.

Records, 1988-2023, of the Copper Range Historical Society of South Range, Michigan. The Society is responsible for running the Copper Range Historical Museum in South Range. Includes minutes, annual reports, agendas, financial records, memberships lists, correspondence, newsletters, and project files.

Photograph collection, 1905-1979, of the Daily Mining Gazette, a newspaper published daily in Houghton, Michigan. Includes images taken by the newspaper's photographers for publication. Covers local and regional subjects and events.

Collection, 1773-1978, of the business records of the Daily Mining Gazette, a newspaper published daily in Houghton, Michigan. Includes correspondence, memorandums, financial records and reports. Also includes personal papers relating to the Rice family, original owners and publishers of the Daily Mining Gazette.