- Near Lake Michigan west of Manistique.2
- Near Manistique,2
- SW 1/4 Sec 5 T41N-R15W south of Jamestown slough.2
- Sand dunes along Lake Michigan near Manistique2
- Seney Refuge2
- Seney Wildlife Refuge 2 mi. North of Germfask.2
- Seul Choix Point Area, excavation just W. of Engadine dolomite scarp.; T41N, R13W, sect. 10.2
- Stanley Lake.2
- Triangle park, downtown Manistique.2
- along Indian River2
- ca. 12 mi. SE of Shingleton.2
- ca. 5 mi. NNW of Manistique.2
- east of Manistique2
- near Seul Choix2
- sec. 11, T42N, R16W, ca. 6 mi. NNW of Manistique.2
- south side of River Road just west of jct. of River Road and Section 13 Road, Sec. 24, T42N R15W (northeast of Manistique)2
- (T.41N; R.15W; Sect. 18) Lakeview municipal park, Manistique1
- (T.41N; R.15W; Sect. 18) near breakwater Lakeview municipal park, Manistique1
- Aldrich Lake, NW corner sec. 15, T43N, R16W, ca. 12 mi. NNW of Manistique1
- Along Country Road 4411