Collection place
- CA-Tul-18 (Cedarquist site), Tulare County, California6 objects
- Tulare County, California6 objects
- Unincorporated western Contra Costa County, California5 objects
- CA-CCo-259, Rodeo, Contra Costa County4 objects
- Marin County, California4 objects
- Napa County, California4 objects
- Northeastern California4 objects
- Rodeo, Contra Costa County, California4 objects
- Sacramento County, California4 objects
- Belvedere Island, Tiburon peninsula, Marin County3 objects
- Bodega Bay region, Sonoma County, California3 objects
- Bodega Harbor, Sonoma County, California3 objects
- Butte County, California3 objects
- CA-But-48, Butte County, California3 objects
- CA-CCo-146, Holland Tract, Contra Costa County3 objects
- CA-Mrn-39 (Belvedere site), Marin County, California3 objects
- CA-Son-299, Bodega Harbor, Sonoma County3 objects
- Calaveras County, California3 objects
- Holland Tract, Contra Costa County, California3 objects
- Little Chico Creek watershed, Butte County, California3 objects