Collection place
- California12 objects
- North America12 objects
- The Americas12 objects
- United States12 objects
- North Central California7 objects
- Northern California7 objects
- Contra Costa County, California5 objects
- San Francisco Bay Area, California5 objects
- CA-CCo-138, Oakley, Contra Costa County4 objects
- Oakley, Contra Costa County, California4 objects
- San Joaquin County, California4 objects
- CA-SJo-68, San Joaquin County, California3 objects
- CA-Sac-2 or 3 or 6 ('Johnson Mound'), Sacramento County, California2 objects
- CA-Sac-6, Sacramento County, California2 objects
- Sacramento County, California2 objects
- CA-CCo-141, Palm Tract, Contra Costa County1 objects
- CA-Col-3 (Sandhill site), Colusa County, California1 objects
- CA-SJo-48, San Joaquin County, California1 objects
- Colusa County, California1 objects
- Palm Tract, Contra Costa County, California1 objects