You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Lake Remove constraint Place: Lake Place Minnesota Remove constraint Place: Minnesota Place Near boat docks, Knife River harbor, Knife River; ca. 8 mi. N. Duluth on hwy. 6 Remove constraint Place: Near boat docks, Knife River harbor, Knife River; ca. 8 mi. N. Duluth on hwy. 6 Place North America Remove constraint Place: North America Topic Plantae Remove constraint Topic: Plantae Type still image Remove constraint Type: still image