You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Savannah River swamp, 4.6 miles northwest of Tillman on Co. Rt. 27-119, thence 1.7 miles southwest on Co rd. Remove constraint Place: Savannah River swamp, 4.6 miles northwest of Tillman on Co. Rt. 27-119, thence 1.7 miles southwest on Co rd.