You searched for: Place Alpena Twp. T31N, R8E, Sec.&, SE1/4400 ft. E. or downstream from base of Four Mile Dam N.W. of Alpena. Remove constraint Place: Alpena Twp. T31N, R8E, Sec.&, SE1/4400 ft. E. or downstream from base of Four Mile Dam N.W. of Alpena. Topic Magnoliopsida Remove constraint Topic: Magnoliopsida