Place
- Mersea Twp. Point Pelee National Park.1
- Mexico1
- Michigan City Health Center, Coolspring Drive1
- Middlesex1
- Midland1
- Midland.1
- Missouri1
- Mogollon Mts.1
- Montcalm1
- Montgomery1
- Montmorency1
- Mount Olympus1
- Mowat Twp., Grundy Lake Provincial Park, Red Maple Campground1
- Muskingum1
- Muskoka1
- Near City of Port Huron.1
- Near Huron Mountain Club. On Mount Homer.1
- Near Pickerel Lake, Coldsprings Twp.1
- Near Washington, D.C.1
- Near Washington, D.C.; Potomac bank, Va. side.1