Spatial Coverage
- Mexico.2
- Nevada2
- New Mexico2
- San Francisco (Calif.)2
- San Francisco Bay (Calif.)2
- San Francisco Bay Area.2
- San Francisco Bay.2
- San Joaquin River (Calif.)2
- San Joaquin River.2
- Southwest, New2
- Southwestern States2
- United States.2
- Upper Peninsula2
- Upper Peninsula (Mich.)2
- Upper Peninsula.2
- Africa1
- Africa, West1
- Arctic regions1
- Arkansas1
- Australasia1
