Collection place
- North America342 objects
- The Americas342 objects
- United States342 objects
- California251 objects
- San Francisco Bay Area, California195 objects
- Nevada91 objects
- Contra Costa County, California60 objects
- Pershing County, Nevada51 objects
- Napa County, California47 objects
- Napa Valley, Napa County, California47 objects
- CA-Sol-2, Solano County, California45 objects
- Lindsey Slough, Solano County, California45 objects
- Northern California45 objects
- Solano County, California45 objects
- Marin County, California42 objects
- NV-Pe-5, Pershing County, Nevada40 objects
- Point Reyes, Marin County, California39 objects
- CA-CCo-138, Oakley, Contra Costa County38 objects
- Oakley, Contra Costa County, California38 objects
- CA-Mrn-266, Tomales Point, Point Reyes31 objects