Collection place
- California485 objects
- North America485 objects
- The Americas485 objects
- United States485 objects
- San Francisco Bay Area, California477 objects
- Marin County, California335 objects
- CA-Mrn-168, Marin County, California261 objects
- Contra Costa County, California140 objects
- CA-CCo-151, El Sobrante, Contra Costa County138 objects
- El Sobrante, Contra Costa County, California138 objects
- Unincorporated western Contra Costa County, California138 objects
- CA-Mrn-307, Drakes Bay, Marin County71 objects
- Drakes Bay, Point Reyes, Marin County71 objects
- Estero de Limantour, Drakes Bay, Marin County71 objects
- Point Reyes, Marin County, California71 objects
- Northern California6 objects
- CA-Cal-99 (Winslow Cave), Calaveras County, California4 objects
- Calaveras County, California4 objects
- Northeastern California4 objects
- Northern Sierras, Northern California4 objects