Collection, circa 1980-circa 1995, of Stanley J. Dyl, a longtime resident of Calumet, Michigan and curator of the A. E. Seaman Mineral Museum at Michigan Technological University. Contains planning documents for the establishment of the Keweenaw National Historical Park in Michigan's Upper Peninsula as well as exploratory studies on alternatives to a national park. Including correspondence, minutes from various local organizations, newsletters, clippings, legislation, and paperwork.

Preservation study, 2002-2003, by the National Park Service of the Quincy Mining Company Smelting Works in Hancock, Michigan. The study produced a preservation and rehabilitation plan for the site. Includes a Historic Land Use Survey by Michigan Technological University as well as critical safety and preservation needs assessment documents, condition and stabilization studies, and alternative use studies.