- California68 objects
- North America68 objects
- The Americas✖Remove constraint Collection place: The Americas68 objects
- United States68 objects
- San Francisco Bay Area, California62 objects
- Napa County, California41 objects
- Napa Valley, Napa County, California41 objects
- Middle Napa Valley, Napa County, California37 objects
- CA-Nap-1 (Goddard Mound), Napa Valley, Napa County27 objects
- Oakville area, Napa Valley, Napa County27 objects
- Lindsey Slough, Solano County, California13 objects
- Solano County, California13 objects
- CA-Nap-32, Napa Valley, Napa County10 objects
- Rutherford area, Napa Valley, Napa County10 objects
- CA-Sol-2, Solano County, California9 objects
- Northern California5 objects
- CA-Nap-14 (Las Trancas site), Napa Valley, Napa County4 objects
- Lower Napa Valley, Napa County, California4 objects
- Marin County, California4 objects
- CA-Mrn-232 (Estero Mound), Drakes Bay, Marin County3 objects