Contains correspondence, reports, minutes, notes, and photographs produced by the department. Includes information on department students, reaccreditation, and the Furadan Avian Corn Study conducted 1986-1988. Materials date from between 1975 and 1990.

Contains research and teaching materials, comprised mainly of Hayward's field notes and personal research. It also contains Hayward's personal correspondence.

Collection relates primarily to George D. Marler's research on geysers and hot springs in Yellowstone Park, and related themes. Includes an unpublished autobiography; field notebooks; correspondence; articles and books, including drafts by Marler and others; photographs; slides of thermal features in Yellowstone Park; and other items. Dated 1932 to 1977.

Contains the notebook of a mine superintendant, with letters to and from the parent company, maps, and employee time and work sheets. Dated 1917-1918.