- North America4,567 objects
- The Americas✖Remove constraint Collection place: The Americas4,567 objects
- United States4,542 objects
- California4,529 objects
- Northern California3,084 objects
- North Central California2,931 objects
- CA-Yol-13 (Mustang Mound), Yolo County, California1,289 objects
- Yolo County, California1,289 objects
- Sacramento County, California1,130 objects
- San Francisco Bay Area, California760 objects
- San Joaquin County, California385 objects
- Contra Costa County, California381 objects
- CA-Sac-2 or 3 or 6 ('Johnson Mound'), Sacramento County, California377 objects
- CA-Sac-6, Sacramento County, California377 objects
- Southern California328 objects
- CA-CCo-138, Oakley, Contra Costa County292 objects
- Oakley, Contra Costa County, California292 objects
- Santa Barbara County, California285 objects
- Northern Channel Islands, Santa Barbara County, California280 objects
- Santa Rosa Island, Santa Barbara Channel Islands, Southern California255 objects