- California40 objects
- North America40 objects
- The Americas40 objects
- United States40 objects
- North Central California28 objects
- Northern California28 objects
- Sacramento County, California28 objects
- CA-Sac-168 (Erich site), Sacramento County, California25 objects
- CA-Mnt-281, Southern Monterey Coast, Monterey County12 objects
- Central California12 objects
- Central California coast12 objects
- Monterey County, California12 objects
- Southern Monterey Coast, Monterey County, California12 objects
- CA-Sac-2 or 3 or 6 ('Johnson Mound'), Sacramento County, California3 objects
- CA-Sac-6, Sacramento County, California3 objects