- Arcada Twp. T11N, R3W, Sec. 3 NE1/4 on the E. side of the 1899 Alma Sugar Company buildings 2 blocks south of B.R.-27 in the city of Alma.1
- At DNR access site on Maple River Game Area.1
- At Maple River Game Area.1
- At corner of Maple-Smith Rds, in the Maple River Game Area.1
- At the corner of Maple-Smith Rds, in Maple River Game Area.1
- Bethany Twp. T12N, R2W, Sec. 19 SW1/4 on N. side of St. Louis High School on N.E. side of village of St. Louis.1
- Bethany Twp. T12N, R2W, Sec. 25 NE1/4 on the S.E. corner of Saginaw and Pine Streets on the west side of Breckenridge.1
- Bethany Twp. T12N, R2W, Sec.19 SW1/4 on the N. side of St. Louis High School on the N.E. side of village of St. Louis.1
- E edge NE-1/4 Sect. 20, Washington Tp. Ca. 5 mi. SW of Ashley.1
- E edge NE1/4 sec. 20, Washington Tp., ca. 5 mi. SW of Ashley.1
- East and west of Woodbridge Road in Gratiot-Saginaw State Game Area.1
- Edge of Maple River, Fulton Tp., ca. 4.5 mi. SSE of Perrinton.1
- Fulton Twp., ca. 4.5 mi. SSE of Perrinton. Maple River.1
- Halfmoon Lake1
- In Gratiot-Saginaw State Game Area west of Woodbridge Road.1
- In Gratiot-Saginaw State Game Area, ca. 30 m west of Woodbrige Road.1
- Margin of Pine River about Alma1
- Mattison Lake, Northwest of Alma1
- Mattison Lake, Seville Tp.1
- Mattison Lake. Seville Tp.1