You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Clackamas Remove constraint Place: Clackamas Place Mt. Hood National Forest, Trillium Lake, 4 km south-southeast of Government Camp. T3S, RS^E, NWJÍNEKS36. Remove constraint Place: Mt. Hood National Forest, Trillium Lake, 4 km south-southeast of Government Camp. T3S, RS^E, NWJÍNEKS36. Place North America Remove constraint Place: North America Place Oregon Remove constraint Place: Oregon