You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Atwood Township, Rainy River, ca. 1km upstream from mouth, near Oak Grove Camp Remove constraint Place: Atwood Township, Rainy River, ca. 1km upstream from mouth, near Oak Grove Camp Place Canada Remove constraint Place: Canada Place North America Remove constraint Place: North America Topic Schoenoplectus Remove constraint Topic: Schoenoplectus Type still image Remove constraint Type: still image