You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Iron Remove constraint Place: Iron Place Missouri Remove constraint Place: Missouri Place Tom Sauk Mountain St. Park, along trail just NE of the Devil's Tollgate, Ironton 7.5' Quad. Remove constraint Place: Tom Sauk Mountain St. Park, along trail just NE of the Devil's Tollgate, Ironton 7.5' Quad. Place USA Remove constraint Place: USA Topic Magnoliopsida Remove constraint Topic: Magnoliopsida