- California5 objects
- North America5 objects
- The Americas5 objects
- United States5 objects
- CA-Sac-107 (Windmiller Mound), Sacramento County, California3 objects
- North Central California3 objects
- Northern California3 objects
- Sacramento County, California3 objects
- Contra Costa County, California2 objects
- San Francisco Bay Area, California2 objects
- Alamo, Contra Costa County, California1 objects
- CA-CCo-151, El Sobrante, Contra Costa County1 objects
- CA-CCo-311, Alamo, Contra Costa County1 objects
- El Sobrante, Contra Costa County, California1 objects
- Unincorporated central Contra Costa County, California1 objects
- Unincorporated western Contra Costa County, California1 objects