- California22 objects
- North America22 objects
- Northern California22 objects
- The Americas22 objects
- United States22 objects
- CA-Col-2 (Howell's Point), Colusa County, California16 objects
- Colusa County, California16 objects
- North Central California16 objects
- CA-Sha-47 (Redding Mound #1), Redding, Shasta County6 objects
- Northeastern California6 objects
- Redding, Shasta County, California6 objects
- Shasta County, California6 objects
- near Redding, Shasta County, California6 objects