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 Muskegon River Basin south of Muskegon River, T12N R13W, Sec. 23. Remove constraint Place: Muskegon River Basin south of Muskegon River, T12N R13W, Sec. 23.