- California22 objects
- North America22 objects
- The Americas✖Remove constraint Collection place: The Americas22 objects
- United States22 objects
- Lindsey Slough, Solano County, California17 objects
- San Francisco Bay Area, California17 objects
- Solano County, California17 objects
- CA-Sol-1, Solano County, California9 objects
- CA-Sol-3, Solano County, California8 objects
- CA-Lak-36 (Borax Lake site), Lake County, California5 objects
- Lake County, California5 objects
- North Central California5 objects
- Northern California5 objects