You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Alpena Remove constraint Place: Alpena Place Michigan Remove constraint Place: Michigan Place North America Remove constraint Place: North America Place On W. side of power lines 400 ft. W. of Four-Mile Dam Rd. and 300 ft. S. of Long Rapids Rd. N.W. of Alpena. Alpena Twp. Remove constraint Place: On W. side of power lines 400 ft. W. of Four-Mile Dam Rd. and 300 ft. S. of Long Rapids Rd. N.W. of Alpena. Alpena Twp. Topic Carex Remove constraint Topic: Carex Topic Plantae Remove constraint Topic: Plantae Type still image Remove constraint Type: still image