Collection place
- Contra Costa County, California8 objects
- Humboldt County coast, Humboldt County, California8 objects
- Trinidad Bay, Humboldt County, California8 objects
- Trinidad, Humboldt County, California8 objects
- CA-SMa-4 (San Mateo Shellmound), San Mateo, San Mateo County7 objects
- Napa County, California7 objects
- San Mateo, San Mateo County, California7 objects
- CA-Fre-48 (Tranquillity site), Fresno County, California6 objects
- CA-SMa-22, Princeton, San Mateo County6 objects
- Half Moon Bay, San Mateo County, California6 objects
- Point Reyes, Marin County, California6 objects
- Princeton, San Mateo County, California6 objects
- CA-Mod-204, Modoc County, California5 objects
- Channel Islands, Ventura County, California5 objects
- Lassen County, California5 objects
- Modoc County, California5 objects
- Napa Valley, Napa County, California5 objects
- San Nicolas Island, Southern Channel Islands, Ventura County5 objects
- Santa Cruz Island, Channel Islands, Southern California5 objects
- Surprise Valley, Modoc County, California5 objects