Collection place
- North America117 objects
- The Americas117 objects
- United States117 objects
- California112 objects
- San Francisco Bay Area, California91 objects
- Contra Costa County, California59 objects
- Unincorporated western Contra Costa County, California56 objects
- CA-CCo-151, El Sobrante, Contra Costa County54 objects
- El Sobrante, Contra Costa County, California54 objects
- North Central California20 objects
- Northern California20 objects
- Marin County, California17 objects
- Point Reyes, Marin County, California17 objects
- Sacramento County, California17 objects
- CA-Sac-2 or 3 or 6 ('Johnson Mound'), Sacramento County, California15 objects
- CA-Sac-6, Sacramento County, California15 objects
- CA-Mrn-232 (Estero Mound), Drakes Bay, Marin County14 objects
- Drakes Bay, Point Reyes, Marin County14 objects
- Estero de Limantour, Drakes Bay, Marin County14 objects
- CA-Sol-2, Solano County, California7 objects