Collection place
- California32 objects
- North America32 objects
- The Americas32 objects
- United States32 objects
- San Francisco Bay Area, California17 objects
- North Central California15 objects
- Northern California15 objects
- CA-Col-1 (Miller Mound), Colusa County, California9 objects
- Colusa County, California9 objects
- Contra Costa County, California7 objects
- Sacramento County, California6 objects
- CA-CCo-138, Oakley, Contra Costa County4 objects
- CA-Nap-1 (Goddard Mound), Napa Valley, Napa County4 objects
- Lindsey Slough, Solano County, California4 objects
- Middle Napa Valley, Napa County, California4 objects
- Napa County, California4 objects
- Napa Valley, Napa County, California4 objects
- Oakley, Contra Costa County, California4 objects
- Oakville area, Napa Valley, Napa County4 objects
- Sacramento River, Sacramento County, California4 objects