Place
- Jefferson1
- Jennings1
- Just north of the mouth of Black River.1
- Kentucky1
- Kern1
- Kiowa1
- La Campana; near Encinillas1
- La Porte1
- LaSalle1
- Lake Etling, northwest of Boise City1
- Lake Marsh, Hayti (near Big Stone Lake).1
- Lake Merced1
- Lake Reedy, Vicinity of Crooked Lake1
- Lake St. Clair1
- Leeds & Grenville1
- LiLiebre Mountains, Castaic Creek drainage from Fish Canyon downstream to power plant, just north of upper end of Castaic Lake.1
- Liebre Mountains, Knapp Ranch area at upper end of Castaic Creek drainage in broad alluival valley at head of Cienaga Canyon, south of Liebre Mountain.1
- Little Chapel Lake.1
- Little Pleasant Lake.1
- Livingston1