You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Boulder Remove constraint Place: Boulder Place Colorado Remove constraint Place: Colorado Place SE of 4th of July Mine, trail to Arapaho Pass, 8½ miles NW of Eldora Remove constraint Place: SE of 4th of July Mine, trail to Arapaho Pass, 8½ miles NW of Eldora Topic Bryopsida Remove constraint Topic: Bryopsida Topic Drepanocladus Remove constraint Topic: Drepanocladus Type still image Remove constraint Type: still image