Collection place
- California35 objects
- North America35 objects
- The Americas35 objects
- United States35 objects
- Northern California26 objects
- Northeastern California22 objects
- Northern Sierras, Northern California12 objects
- CA-Cal-83, Calaveras County, California10 objects
- CA-Sis-262 (Foster site), Bogus Creek, Siskiyou County10 objects
- Calaveras County, California10 objects
- Siskiyou County, California10 objects
- San Francisco Bay Area, California7 objects
- Berryessa Valley, Napa County, California6 objects
- Napa County, California6 objects
- CA-Hum-169 (Tsurai), Humboldt County, California3 objects
- CA-Nap-89, Berryessa Valley, Napa County3 objects
- CA-Nap-93, Berryessa Valley, Napa County3 objects
- Humboldt County coast, Humboldt County, California3 objects
- Humboldt County, California3 objects
- Northwestern California3 objects