Scope and Contents From the Collection: Research materials and personal papers, 1956-2019, of William “Bill” J. Sproule. The contents of this collection principly document Sproule’s interest, invovement, and research related to the topic of transportation (historical and contemporary) in the Copper Country and hocky history. The collection includes parking and transportation studies for Michigan Technological University and the Keweenaw National Historical Park; as well as reports and papers on transportation systems completed by...