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Subject (Region)
- Great Britain5
- United States4
- West (U.S.)4
- California3
- Alaska2
- Colorado2
- Great Salt Lake (Utah)2
- Wyoming2
- Yellowstone National Park2
- Adelanto (Calif.)1
- Alberta1
- Amazon River1
- Amboy (Calif.)1
- Antelope Valley (Calif.)1
- Asia1
- Baker (San Bernardino County, Calif.)1
- Bear River Migratory Bird Refuge 1
- Bear River Migratory Bird Refuge (Utah)1
- Bombay Beach (Calif.) 1
- Boone County (Mo.)1