You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Hillman Twp. T31N, R4E, Sec. 16 SE1/4, 1 mi. N. of Pleasant Valley Road on Pine Oaks Road and 1/2 mi. to the east. Remove constraint Place: Hillman Twp. T31N, R4E, Sec. 16 SE1/4, 1 mi. N. of Pleasant Valley Road on Pine Oaks Road and 1/2 mi. to the east.