- North America15 objects
- Southwestern United States✖Remove constraint Collection place: Southwestern United States15 objects
- The Americas15 objects
- United States15 objects
- Arizona13 objects
- Somerton, Yuma Valley, Yuma County, Arizona12 objects
- Yuma County, Arizona12 objects
- Yuma Valley, Yuma County, Arizona12 objects
- Colorado River, Southwestern United States2 objects
- Lower Colorado River, Southwestern United States2 objects
- Maricopa County, Arizona1 objects
- Phoenix area, Maricopa County, Arizona1 objects
- Phoenix, Maricopa County, Arizona1 objects