Place
- Lahaul and Spiti1
- Larimer1
- Liberty Twp. Ca. 2. mi. N. of Manton.1
- Luce1
- Mackinac1
- Marcellus Twp. Ca. 1 mi. N. of Wakelee.1
- Marquette1
- Mecosta1
- Meghalaya1
- Melrose Twp., ca. 1.5 mi. S. of Clarion.1
- Menominee1
- Mexico1
- Minden Twp., at Palms.1
- Missaukee1
- Montmorency1
- Muskegon1
- N side of Long Lake Rd, ca. 5 km SE of Berrien Springs.1
- Near Rio Grandi Creek, Ravenna Twp., ca. 3 mi. SW of Ravenna.1
- Near the New York Central R.R. just south of the Texaco plant north of Bertrand.1
- New Mexico1