You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Allegan State Game Area. Ca. 2.75 miles SSW of Allegan. Ca. 160 meters ESE of the intersection of Williams Bridge Road and 30th Street. Remove constraint Place: Allegan State Game Area. Ca. 2.75 miles SSW of Allegan. Ca. 160 meters ESE of the intersection of Williams Bridge Road and 30th Street.