Collection place
- North America39 objects
- The Americas39 objects
- United States36 objects
- California35 objects
- San Francisco Bay Area, California26 objects
- Contra Costa County, California24 objects
- CA-CCo-259, Rodeo, Contra Costa County20 objects
- Rodeo, Contra Costa County, California20 objects
- Unincorporated western Contra Costa County, California20 objects
- North Central California9 objects
- Northern California9 objects
- Sacramento County, California7 objects
- CA-Sac-157, Rancho Cordova, Sacramento County5 objects
- Rancho Cordova, Sacramento County, California5 objects
- Mexico3 objects
- Southern Mexico3 objects
- CA-Sac-107 (Windmiller Mound), Sacramento County, California2 objects
- La Venta, Tabasco, Mexico2 objects
- Lake County, California2 objects
- Napa County, California2 objects