- North America8,279 objects
- The Americas8,279 objects
- United States8,279 objects
- California4,122 objects
- North Central California4,117 objects
- Northern California4,117 objects
- Nevada3,883 objects
- Churchill County, Nevada3,537 objects
- NV-Ch-35 (Humboldt Cave), Churchill County, Nevada3,433 objects
- Sacramento County, California2,979 objects
- CA-Sac-2 or 3 or 6 ('Johnson Mound'), Sacramento County, California1,752 objects
- CA-Sac-6, Sacramento County, California1,752 objects
- CA-Col-1 (Miller Mound), Colusa County, California879 objects
- Colusa County, California879 objects
- CA-Sac-107 (Windmiller Mound), Sacramento County, California796 objects
- CA-Sac-109 (Drescher Mound), Sacramento County, California340 objects
- Northern Utah274 objects
- Southwestern United States274 objects
- Utah274 objects
- San Joaquin County, California259 objects