Collection place
- North America670 objects
- The Americas670 objects
- United States670 objects
- California668 objects
- Northern California377 objects
- San Francisco Bay Area, California287 objects
- North Central California207 objects
- Tehama County, California186 objects
- Contra Costa County, California142 objects
- CA-CCo-138, Oakley, Contra Costa County135 objects
- Oakley, Contra Costa County, California135 objects
- CA-Teh-1 (Kingsley Cave), Tehama County, California131 objects
- Berryessa Valley, Napa County, California130 objects
- CA-Nap-93, Berryessa Valley, Napa County130 objects
- Napa County, California130 objects
- Northeastern California104 objects
- Humboldt County coast, Humboldt County, California66 objects
- Humboldt County, California66 objects
- Northwestern California66 objects
- CA-Hum-169 (Tsurai), Humboldt County, California62 objects