Place
- MAC1
- Mackinac1
- Macomb1
- Malana slope, Kulu1
- Mamkam, Parbati Valley, Kangra, Punjab1
- Massachusetts1
- Mendon.1
- Midland1
- Missaukee1
- Muskegon1
- N. of Ida Center Rd., Ida Twp.1
- NE of Mitchell Ct., Raisin Twp.1
- NW shore of French Lake.1
- Nagaland1
- Near Cecil Bay.1
- Near Douglas Lake.1
- Near Geddes.1
- Near Manistique.1
- Near Niles.1
- Near Omer.1