Collection place
- North America119 objects
- The Americas119 objects
- United States119 objects
- California64 objects
- Nevada55 objects
- San Francisco Bay Area, California50 objects
- NV-Pe-5, Pershing County, Nevada46 objects
- Pershing County, Nevada46 objects
- Contra Costa County, California41 objects
- CA-CCo-138, Oakley, Contra Costa County30 objects
- Oakley, Contra Costa County, California30 objects
- CA-Mnt-282, Southern Monterey Coast, Monterey County12 objects
- Central California12 objects
- Central California coast12 objects
- Monterey County, California12 objects
- Southern Monterey Coast, Monterey County, California12 objects
- El Sobrante, Contra Costa County, California11 objects
- Unincorporated western Contra Costa County, California11 objects
- CA-CCo-151, El Sobrante, Contra Costa County9 objects
- Washoe County, Nevada9 objects