Place
- Kejimkujik National Park, Mill Falls on Mersey River1
- Kentucky1
- L bank of Current River, at The Cascade off Balsam St., Thunder Bay City1
- LaSalle1
- Lagrange1
- Lake Agnes, above Lake Louise1
- Lake Takonis, Yakobi Island.1
- Lawrence Lake1
- Liberty1
- Lincoln1
- Little Pigeon River bank, 2 miles NW of Mongo1
- Londonderry1
- Lone Pine, on road to Mt. Whitney below the Portal1
- Louisiana1
- Macon1
- Maine1
- Marathon1
- Marin1
- Marion1
- Matanie1