Collection place
- California534 objects
- North America534 objects
- The Americas534 objects
- United States534 objects
- Northern California458 objects
- Modoc County, California349 objects
- Northeastern California349 objects
- Surprise Valley, Modoc County, California346 objects
- CA-Mod-204, Modoc County, California334 objects
- North Central California109 objects
- CA-Sac-2 or 3 or 6 ('Johnson Mound'), Sacramento County, California108 objects
- CA-Sac-6, Sacramento County, California108 objects
- Sacramento County, California108 objects
- San Francisco Bay Area, California56 objects
- Contra Costa County, California43 objects
- CA-CCo-300, Richmond, Contra Costa County27 objects
- Marina Bay, Richmond, Contra Costa County27 objects
- Richmond, Contra Costa County, California27 objects
- CA-Mad-199, Madera County, California18 objects
- Central California18 objects