Collection place
- Sutter County, California12 objects
- CA-Nap-1 (Goddard Mound), Napa Valley, Napa County11 objects
- CA-Sut-11 (Verona Mound), Sutter County, California11 objects
- Oakville area, Napa Valley, Napa County11 objects
- Surprise Valley, Modoc County, California11 objects
- CA-Mod-197, Modoc County, California10 objects
- CA-SCrI-3, Santa Cruz Island, Channel Islands10 objects
- CA-Sac-66 (Morse Mound), Sacramento County, California10 objects
- CA-Yub-5 (Arboga site), Yuba County, California10 objects
- Yuba County, California10 objects
- near Arboga, Yuba County, California10 objects
- CA-Ala-309, Emeryville, Alameda County9 objects
- CA-Ala-328 (Patterson Mound), Coyote Hills, Fremont9 objects
- Emeryville, Alameda County, California9 objects
- Fremont, Alameda County, California9 objects
- NV-Ch-35 (Humboldt Cave), Churchill County, Nevada9 objects
- Richmond, Contra Costa County, California9 objects
- Shasta County, California8 objects
- South Central California8 objects
- Southern Monterey Coast, Monterey County, California8 objects