- Near Au Sable.1
- Near E. River Rd.1
- Near Tawas.1
- Near lighthouse, two miles southeast of East Tawas1
- North of E. Tawas.1
- North of Oscoda.1
- On W. side of ball fields, on S. side of Wurtsmith A.F. Base, Oscoda Twp.1
- On low dune ridge (5-10' high) behind crest of present beach, Lake Huron.1
- One mile NW of Oscoda.1
- Oscoda Twp. 600 ft. S. of the Rea Rd. bridge on E. bank of Au Sable Riv. . . .1
- Oscoda Twp. 400 ft. N. of the Au Sable Riv. At Three Pipes Rec.1
- Oscoda Twp. L. Huron dune hollows.1
- Oscoda Twp. On E. side of US-23 on L. Huron shore ca e mi. S. of the Co. line across from Trey Rd. ca. 4 mi. N. of town of Oscoda.1
- Oscoda Twp. On S. side of the Au Sable River at Eagle Run Nature Trail on N. side of River Rd. 2½ mi. W. of town of Oscoda.1
- Oscoda Twp. On S. side of the Loud Basin on N. side of M-65 3 1/2 mi. W. of the M-65 bridge over Au Sable Riv. ca. 20 mi. W. of town of Oscoda.1
- Oscoda Twp. T23N, R9E, Sec.3, NW1/4 on W. side of Glens Market 500 ft. W. of US-23 on N. side of Oscoda.1
- Oscoda Twp. T24N, R8E, Sec. 35, SW1/4. 1/4 mi. S. of the Rea Rd. bridge ca. 5 mi. W. of town of Oscoda.1
- Oscoda Twp. T24N, R8E, Sec.35, NW1/4; at N.W. side of Rea Rd. bridge over Au Sable ca. 5 mi. N.W. of Oscoda.1
- Oscoda Twp. T24N, R8E, Sec.4, NE1/4 on W. side of F-41 ca. 1/4mi. S. of the Co. line ca. 6 1/4 mi. NW of the town of Oscoda.1
- Oscoda Twp. T24N, R8E, Sec.4, NE1/4 on W. side of county road F-41 500 ft. S. of the Co. line ca. 6 1/4 mi. NW of the town of Oscoda.1