Collection place
- North America205 objects
- The Americas205 objects
- United States202 objects
- California167 objects
- Northern California73 objects
- San Francisco Bay Area, California62 objects
- Northeastern California43 objects
- Nevada30 objects
- Central California26 objects
- Contra Costa County, California26 objects
- Churchill County, Nevada25 objects
- Kern County, California25 objects
- Oakley, Contra Costa County, California25 objects
- South Central California25 objects
- CA-CCo-138, Oakley, Contra Costa County24 objects
- Humboldt Lake region, Churchill County, Nevada24 objects
- NV-Ch-13, Churchill County, Nevada24 objects
- Lassen County, California23 objects
- Buena Vista area, Kern County, California22 objects
- Napa County, California21 objects