Collection place
- The Americas157 objects
- North America156 objects
- United States156 objects
- Nevada72 objects
- NV-Pe-5, Pershing County, Nevada71 objects
- Pershing County, Nevada71 objects
- California49 objects
- San Francisco Bay Area, California42 objects
- Northeastern United States34 objects
- Alameda County, California31 objects
- Berkeley, Alameda County, California31 objects
- CA-Ala-307, Berkeley, Alameda County31 objects
- West Berkeley, Berkeley, Alameda County31 objects
- Lycoming County, Pennsylvania25 objects
- Pennsylvania25 objects
- Banks of the Susquehanna River, Lycoming County, Pennsylvania24 objects
- Contra Costa County, California10 objects
- Richmond, Contra Costa County, California10 objects
- Hancock County, Maine9 objects
- Maine9 objects