- North America21 objects
- The Americas21 objects
- United States21 objects
- California14 objects
- Southern California8 objects
- Central California5 objects
- San Diego County, California5 objects
- South Central California5 objects
- Mesa Grande, San Diego County, California4 objects
- Southwestern United States4 objects
- Central Oregon3 objects
- Kern County, California3 objects
- Klamath County, Oregon3 objects
- Klamath Reservation, Klamath County, Oregon3 objects
- Northwestern United States3 objects
- Oregon3 objects
- Kern River Valley, Kern County, California2 objects
- Arizona1 objects
- CA-Riv-64, Indian Wells, Riverside County1 objects
- Caliente Creek, Walker Basin, Kern County1 objects