Collection, 1918-2020, of material from and about the J. Robert Van Pelt and John and Ruanne Opie Library at Michigan Technological University in Houghton, Michigan. Includes papers of former directors and employees of the Library, as well as annual reports, minutes, agendas, correspondence, financial records, newsletters, reports, building specifications, employee photographs, and information about acquisitions and holdings.

Collection, 1918-2020, of material from and about the J. Robert Van Pelt and John and Ruanne Opie Library at Michigan Technological University in Houghton, Michigan. Includes papers of former directors and employees of the Library, as well as annual reports, minutes, agendas, correspondence, financial records, newsletters, reports, building specifications, employee photographs, and information about acquisitions and holdings.