You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Colorado Remove constraint Place: Colorado Place Near Palmer Lake, on the Denver and Rio Grande Railway, 52 miles south of Denver Remove constraint Place: Near Palmer Lake, on the Denver and Rio Grande Railway, 52 miles south of Denver Place USA Remove constraint Place: USA Topic Eurhynchium Remove constraint Topic: Eurhynchium Type still image Remove constraint Type: still image