Collection place
- California376 objects
- North America376 objects
- The Americas376 objects
- United States376 objects
- San Francisco Bay Area, California340 objects
- Contra Costa County, California334 objects
- CA-CCo-138, Oakley, Contra Costa County308 objects
- Oakley, Contra Costa County, California308 objects
- CA-CCo-151, El Sobrante, Contra Costa County26 objects
- El Sobrante, Contra Costa County, California26 objects
- Unincorporated western Contra Costa County, California26 objects
- CA-SBa-7, Carpinteria, Santa Barbara County14 objects
- CA-Sha-52, Shasta County, California14 objects
- Carpinteria, Santa Barbara County, California14 objects
- Fall River Valley, Shasta County, California14 objects
- Northeastern California14 objects
- Northern California14 objects
- Santa Barbara County, California14 objects
- Shasta County, California14 objects
- Southern California14 objects