You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place in a roadcut just south of State Highway 3, the roadcut is east of and uphill from Twin Bridges Park, approximately 3.5 miles west of Colesburg and on the Paleozoic Plateau Remove constraint Place: in a roadcut just south of State Highway 3, the roadcut is east of and uphill from Twin Bridges Park, approximately 3.5 miles west of Colesburg and on the Paleozoic Plateau