- Alpena Twp. 600 ft. E. of US-23 at S. end of Squaw Bay ca. 4 mi. S. of town of Alpena.1
- Alpena Twp. At Mich-E-Ke-Wis Park on S. side of city of Alpena.1
- Alpena Twp. At Sportman's Park Wildlife Sanctuary near observation area at SW corner of US-23 and Long Rapids Rd.1
- Alpena Twp. At whitefish Bay 1½ mi. E. of Alpena.1
- Alpena Twp. Garden at Ed Tatro residence at 415 Dawson St. on Alpena's N. side.1
- Alpena Twp. N.W. side of Evergreen Cemetery near S. bank of the Thunder Bay Riv. on W. side of Alpena.1
- Alpena Twp. Near the S. bank of Thunder Bay Riv. on W. side of town of Alpena.1
- Alpena Twp. Norwegian Creek, 200 yards north of Whitefish Bay.1
- Alpena Twp. On N. bank of Thunder Bay River W. of Bagley St. on W. side of Alpena.1
- Alpena Twp. On Nineth Street Bridge.1
- Alpena Twp. On W. side of Woodward St. ½ mi. N. of the R.R. tracks on N. side of Alpena.1
- Alpena Twp. On north side of Besser Tech Bldg. on Alp. Comm. Coll. Campus.1
- Alpena Twp. On the west side of Grass Lake Sanctuary (400 ft. west of shore of Grass Lake.)1
- Alpena Twp. Specimen coll. 200 ft. S.E. of Natural Resources Bldg. on Alpena Comm. College campus. On N. side of Alpena.1
- Alpena Twp. T30N, R8E, Sec. 18, SE1/4. 1/2 mi. W. of Devil's Lake on state land ca. 4 mi. S.W. of Alpena city limits.1
- Alpena Twp. T31N, R8E, Sec. 15, NW1/4 on N. side of the Besser Tech. Bldg. on campus of Alpena Comm. College on N. side of city of Alpena.1
- Alpena Twp. T31N, R8E, Sec. 20, NE1/4. 1/2 mi. S. of Long Rapids Rd. on W. side of town of Alpena.1
- Alpena Twp. T31N, R8E, Sec. 20, S.E.1/4; 1/4 mile W. of Bagley St. on access road near county garage.1
- Alpena Twp. T31N, R8E, Sec. 20, SW1/41
- Alpena Twp. T31N, R8E, Sec. 22 SE1/4 on south side of First Federal Bank in downtown Alpena on the corner of Lockwood and 2nd streets.1