Collection place
- The Americas1,907 objects
- North America1,904 objects
- United States1,904 objects
- California1,757 objects
- San Francisco Bay Area, California813 objects
- Northern California738 objects
- Northeastern California706 objects
- Modoc County, California678 objects
- Surprise Valley, Modoc County, California678 objects
- CA-Mod-204, Modoc County, California617 objects
- Contra Costa County, California449 objects
- CA-CCo-138, Oakley, Contra Costa County348 objects
- Oakley, Contra Costa County, California348 objects
- Napa County, California327 objects
- Napa Valley, Napa County, California286 objects
- Middle Napa Valley, Napa County, California179 objects
- Central California172 objects
- Central California coast148 objects
- Monterey County, California148 objects
- Nevada147 objects