- California25 objects
- North America25 objects
- The Americas25 objects
- United States✖Remove constraint Collection place: United States25 objects
- San Francisco Bay Area, California18 objects
- CA-Nap-57 (Peripoli site), Wooden Valley, Napa County14 objects
- Napa County, California14 objects
- Wooden Valley, Napa County, California14 objects
- Northern California7 objects
- Calaveras County, California5 objects
- Northeastern California5 objects
- Northern Sierras, Northern California5 objects
- CA-CCo-146, Holland Tract, Contra Costa County4 objects
- Contra Costa County, California4 objects
- Holland Tract, Contra Costa County, California4 objects
- Unincorporated eastern Contra Costa County, California4 objects
- CA-Cal-14, Calaveras County, California2 objects
- CA-Cal-142, Calaveras County, California2 objects
- CA-Hum-112, Humboldt County, California2 objects
- Humboldt Bay, Humboldt County, California2 objects