- Flint1
- Floodplain of Upper Black River, Waverly Tp., ca. 5 mi. NW of Tower1
- Furstenberg Park in Ann Arbor; north bank of Huron River, along boardwalk. Sec. 27, T2S, R6E.1
- Garden Island1
- Gladwin1
- Goodrich, behind house at 8150 Kearsley Street.1
- Grand Rapids (Knapp Road, on the south branch of Lamberton Creek).1
- Grand Traverse Bay1
- Grand-Métis, Mitis Bay, near the mouth of the Mitis River.1
- Grape Vine Point, Douglas Lake1
- Gratiot1
- Gravel lag on Grand Sable Dunes,1
- Greece1
- Green Twp. Sec.9 NE 1/4, T16N, R10W Along Buckhorn Creek south of 23 Mi Rd1
- Greendale Twp., 1 mile N. of store1
- Greenwood Twp., clearig W. side of 200th Avenue.1
- Hebard Park1
- Hiawatha National Forest, Little Pole site; T43N R20W Sec. 81
- Highway 58, between mile post 42 & 43, at a bridge; UTM zone 10, 553859 east, 4840843 north (WS84) +/- 43 feet1
- Highway 97, between mile post 200 & 201; UTM Zone 10, 598790 east, 4790370 north (WS84) +/- 26 feet1