You searched for: Place Alpena Remove constraint Place: Alpena 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 Cyperaceae Remove constraint Topic: Cyperaceae Topic Poales Remove constraint Topic: Poales