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 Shoreline of Lake Margrethe just west of public beach, Camp Grayling (5 miles SW of Grayling). T26N R04W, Sec. 27 SE1/4 SE1/4 Remove constraint Place: Shoreline of Lake Margrethe just west of public beach, Camp Grayling (5 miles SW of Grayling). T26N R04W, Sec. 27 SE1/4 SE1/4