You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Custer Remove constraint Place: Custer Place East Fork of Big Lost River, Challis National Forest, 18 miles southwest of MacKay Remove constraint Place: East Fork of Big Lost River, Challis National Forest, 18 miles southwest of MacKay Topic Plantae Remove constraint Topic: Plantae Type still image Remove constraint Type: still image