Spatial Coverage
- Long Beach.1
- Los Angeles1
- Los Angeles Harbor (Calif.)1
- Los Angeles Harbor.1
- Los Angeles.1
- Louisiana1
- Luquillo Experimental Forest.1
- Maine1
- Manzanola1
- Manzanola (Colo.)1
- Manzanola.1
- Massachusetts1
- McCracken County1
- McCracken County.1
- Mines and mineral resources1
- Montana1
- Montgomery County1
- Montgomery County (Ky.)1
- Montgomery County.1
- Multnomah County (Or.)1
