You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Columbia River Gorge, off of Interstate Hwy. 84 at Exit 40 (Bonneville Dam), along Tanner Creek Remove constraint Place: Columbia River Gorge, off of Interstate Hwy. 84 at Exit 40 (Bonneville Dam), along Tanner Creek Topic Brachytheciaceae Remove constraint Topic: Brachytheciaceae