Collection place
- North America323 objects
- The Americas323 objects
- United States323 objects
- California321 objects
- San Francisco Bay Area, California226 objects
- Northern California81 objects
- North Central California77 objects
- Sacramento County, California65 objects
- Solano County, California53 objects
- Lindsey Slough, Solano County, California52 objects
- Marin County, California50 objects
- CA-Sol-2, Solano County, California46 objects
- Alameda County, California44 objects
- Contra Costa County, California33 objects
- Point Reyes, Marin County, California27 objects
- Drakes Bay, Point Reyes, Marin County25 objects
- CA-Sac-107 (Windmiller Mound), Sacramento County, California23 objects
- Sonoma County, California23 objects
- CA-Mrn-232 (Estero Mound), Drakes Bay, Marin County22 objects
- Estero de Limantour, Drakes Bay, Marin County22 objects