You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Gull Rock (~1 km west of west end of Manitou Island); on north side of lighthouse Remove constraint Place: Gull Rock (~1 km west of west end of Manitou Island); on north side of lighthouse Place Keweenaw Remove constraint Place: Keweenaw Topic Plantae Remove constraint Topic: Plantae Topic Rosales Remove constraint Topic: Rosales Type still image Remove constraint Type: still image