- North America3,056 objects
- The Americas3,056 objects
- United States3,056 objects
- Arizona3,054 objects
- Southwestern United States3,054 objects
- Bouse site, La Paz County, Arizona3,052 objects
- La Paz County, Arizona3,052 objects
- California2 objects
- San Francisco Bay Area, California2 objects
- Yuma 27 (Malpais site), Yuma County, Arizona2 objects
- Yuma County, Arizona2 objects
- Alameda County, California1 objects
- CA-Ala-42, Pleasanton, Alameda County1 objects
- Napa County, California1 objects
- Pleasanton, Alameda County, California1 objects