- California20 objects
- North America20 objects
- The Americas20 objects
- United States20 objects
- Alameda County, California17 objects
- Fremont, Alameda County, California17 objects
- San Francisco Bay Area, California17 objects
- CA-Ala-329 (Ryan Mound), Coyote Hills, Fremont9 objects
- CA-Ala-328 (Patterson Mound), Coyote Hills, Fremont8 objects
- CA-Sha-47 (Redding Mound #1), Redding, Shasta County3 objects
- Northeastern California3 objects
- Northern California3 objects
- Redding, Shasta County, California3 objects
- Shasta County, California3 objects
- near Redding, Shasta County, California3 objects