« Previous
Next »
Subject (Region)
- California[remove]63
- New Mexico Territory (1850-1912)15
- Colorado10
- Nevada10
- Oregon10
- Arizona Territory (1863-1912)9
- Gila River (Arizona/New Mexico)8
- Montana8
- Texas8
- Nebraska7
- Rio Grande (Mexico/United States)7
- Utah Territory (1850-1896)7
- Colorado River6
- Mexico6
- Utah6
- Arkansas River5
- Mississippi River5
- Missouri River5
- San Francisco, California5
- Sierra Nevada (United States)5