- CA-CCo-138, Oakley, Contra Costa County3 objects
- CA-Fre-115, Fresno County, California3 objects
- CA-Fre-256, Fresno County, California3 objects
- CA-Lak-36 (Borax Lake site), Lake County, California3 objects
- CA-Las-13 (Horse Lake site), Horse Lake, Lassen County3 objects
- CA-Mrn-80, Marin County, California3 objects
- CA-Nap-1 (Goddard Mound), Napa Valley, Napa County3 objects
- CA-Nap-16, Napa Valley, Napa County3 objects
- CA-Nap-40, Napa Valley, Napa County3 objects
- CA-SCrI-147, Santa Cruz Island, Channel Islands3 objects
- CA-Sta-45, Stanislaus County, California3 objects
- Contra Costa County, California3 objects
- Eagle Lake, Lassen County, California3 objects
- Horse Lake, Lassen County, California3 objects
- Humboldt Lake region, Churchill County, Nevada3 objects
- Lindsey Slough, Solano County, California3 objects
- Lower Napa Valley, Napa County, California3 objects
- NV-Ch-15, Churchill County, Nevada3 objects
- Nevada County, California3 objects
- Oakley, Contra Costa County, California3 objects