- North America21 objects
- The Americas21 objects
- United States21 objects
- California20 objects
- North Central California20 objects
- Northern California20 objects
- Sacramento County, California11 objects
- CA-SJo-142, San Joaquin County, California9 objects
- San Joaquin County, California9 objects
- CA-Sac-107 (Windmiller Mound), Sacramento County, California8 objects
- CA-Sac-73, Sacramento County, California2 objects
- CA-Sac-112 or 113 (Calquhoun Mound), Sacramento County, California1 objects
- CA-Sac-113 (Calquhoun Mound 1), Sacramento County, California1 objects
- NV-Pe-66, Pershing County, Nevada1 objects
- Nevada1 objects
- Pershing County, Nevada1 objects