Collection place
- Sacramento County, California11 objects
- CA-Sta-27 (Blewett Mound), Stanislaus County, California9 objects
- Stanislaus County, California9 objects
- CA-Sac-59, Sacramento County, California7 objects
- Marin County, California7 objects
- Mendocino County, California7 objects
- Napa County, California7 objects
- CA-Nap-NL-6, Napa Valley, Napa County6 objects
- Humboldt County, California6 objects
- Lower Napa Valley, Napa County, California6 objects
- Napa Valley, Napa County, California6 objects
- Salvador, Napa Valley, Napa County6 objects
- San Mateo County, California6 objects
- Tulare County, California6 objects
- Salmon Creek, Humboldt County, California5 objects
- CA-SCl-NL-8, Santa Clara County, California4 objects
- CA-Sol-NL-4, Solano County, California4 objects
- CA-Tul-NL-4, Tulare County, California4 objects
- County not specified, California4 objects
- Santa Clara County, California4 objects