You searched for: Place Alpena Twp. Near the S. bank of Thunder Bay Riv. on W. side of town of Alpena. Remove constraint Place: Alpena Twp. Near the S. bank of Thunder Bay Riv. on W. side of town of Alpena. Place North America Remove constraint Place: North America Topic Eragrostis Remove constraint Topic: Eragrostis Topic Magnoliopsida Remove constraint Topic: Magnoliopsida Topic Poaceae Remove constraint Topic: Poaceae