You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place About 80 km SW of Ann Arbor. North side of U.S. 12, south end of quarry, R1W, T5S, section 7 Remove constraint Place: About 80 km SW of Ann Arbor. North side of U.S. 12, south end of quarry, R1W, T5S, section 7