- Isachsen Station, NW tip of Ellef Ringnes Island1
- Jamaica1
- K & M Mine, Maclaren Glacier, Alaska Range1
- Kittitas1
- Lake Margaret shore, Cyrus H. McCormick Experimental Forest, 12 mi NNW of Champion1
- Larimer1
- Lincoln1
- Llanquihue1
- Lolo Trail1
- Long Range Mountains, ca. 13 km SE of Portland Creek village1
- Louisburg, Cape Breton1
- Madera1
- Maine1
- Manganese River gorge, 0.75 mi SE of Copper Harbor1
- Marysville1
- Matanie1
- McDowell1
- Mest Maui Mts. Lahaina District, West Maui Forest Reserve, above cabin at Kaulalewelewe and along trail to Violet Lake and Puu Kukui1
- Midway between Cameron Lake and Waterton Lakes townsite1
- Mineral1