Collection place
- The Americas625 objects
- North America624 objects
- United States623 objects
- California493 objects
- San Francisco Bay Area, California398 objects
- Alameda County, California382 objects
- Berkeley, Alameda County, California382 objects
- CA-Ala-307, Berkeley, Alameda County382 objects
- West Berkeley, Berkeley, Alameda County382 objects
- Northern California89 objects
- Northwestern California87 objects
- Nevada76 objects
- NV-Pe-5, Pershing County, Nevada75 objects
- Pershing County, Nevada75 objects
- Humboldt County, California71 objects
- Klamath River, Humboldt County, California70 objects
- Northeastern United States53 objects
- Banks of the Susquehanna River, Lycoming County, Pennsylvania44 objects
- Lycoming County, Pennsylvania44 objects
- Pennsylvania44 objects