You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Approximately 8.5 miles north of Sleepy Eye. Minnesota River. The woods about 0.25 mile west of the junction of Routes 4 and 10; on the south side of Route 10 Remove constraint Place: Approximately 8.5 miles north of Sleepy Eye. Minnesota River. The woods about 0.25 mile west of the junction of Routes 4 and 10; on the south side of Route 10