You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place on E. side of M-18 ca. 6 Mi. south of Roscommon. Higgins Twp. T23N, R2W, Sec. 7 NW1/4 Remove constraint Place: on E. side of M-18 ca. 6 Mi. south of Roscommon. Higgins Twp. T23N, R2W, Sec. 7 NW1/4 Topic Plantae Remove constraint Topic: Plantae