You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Camp Grayling cantonment area, Wilson Hill Road, 500 m SE of Beaver Creek Road. T26N R04W, Sec. 27 NW1/4 NE1/4 Remove constraint Place: Camp Grayling cantonment area, Wilson Hill Road, 500 m SE of Beaver Creek Road. T26N R04W, Sec. 27 NW1/4 NE1/4 Topic Silene Remove constraint Topic: Silene