Collection place
- North America475 objects
- The Americas475 objects
- United States475 objects
- California474 objects
- San Francisco Bay Area, California420 objects
- CA-CCo-138, Oakley, Contra Costa County354 objects
- Contra Costa County, California354 objects
- Oakley, Contra Costa County, California354 objects
- Alameda County, California39 objects
- CA-Ala-NL-16, Fremont, Alameda County31 objects
- Fremont, Alameda County, California31 objects
- Northern California30 objects
- Africa20 objects
- Central California20 objects
- Limpopo Province, Republic of South Africa20 objects
- Makapansgat, Limpopo Province, Republic of South Africa20 objects
- Republic of South Africa20 objects
- Southern Africa20 objects
- South Central California18 objects
- Northwestern California15 objects