Place
- Mackinac Island1
- Madawaska1
- Mammoth Cave National Park1
- Marcella1
- Marion1
- Marshall1
- Martha1
- Maryland1
- Massachusetts1
- Maury1
- McDuffie1
- Mecosta1
- Monroe1
- Muscatatuck Creek, east of Vernon1
- Muskoka1
- Near Alder Creek, one and one-half miles south of Severance.1
- Near Cave Springs, along Bruce Trail between Vineland and Beamsville1
- Near Lafayette1
- Near Madawaska River, 6 miles north of Hwy. 621
- Needle Knob, off NC 105 near Foscoe1