- California✖Remove constraint Collection place: California163 objects
- North America163 objects
- The Americas163 objects
- United States163 objects
- North Central California99 objects
- Northern California99 objects
- San Francisco Bay Area, California64 objects
- San Joaquin County, California50 objects
- Sacramento County, California49 objects
- Marin County, California45 objects
- Point Reyes, Marin County, California37 objects
- CA-SJo-56 (Old Wheeler), Thornton, San Joaquin County27 objects
- Thornton, San Joaquin County, California27 objects
- Drakes Bay, Point Reyes, Marin County24 objects
- CA-Sac-21 (Hollister Mound), Sacramento County, California20 objects
- Contra Costa County, California19 objects
- CA-Mrn-242, Drakes Estero, Drakes Bay18 objects
- CA-Sac-43 (Brazil Mound), Sacramento, Sacramento County18 objects
- Drakes Estero, Drakes Bay, Marin County18 objects
- Sacramento, Sacramento County, California18 objects