- North America9 objects
- The Americas9 objects
- United States9 objects
- California7 objects
- CA-Yol-13 (Mustang Mound), Yolo County, California6 objects
- North Central California6 objects
- Northern California6 objects
- Yolo County, California6 objects
- Alaska2 objects
- Northwestern United States2 objects
- CA-CCo-141, Palm Tract, Contra Costa County1 objects
- Contra Costa County, California1 objects
- Palm Tract, Contra Costa County, California1 objects
- San Francisco Bay Area, California1 objects
- Unincorporated eastern Contra Costa County, California1 objects