- North America✖Remove constraint Collection place: North America1,072 objects
- The Americas1,072 objects
- United States1,072 objects
- California1,070 objects
- Northern California744 objects
- North Central California723 objects
- Sacramento County, California519 objects
- San Francisco Bay Area, California311 objects
- Napa County, California278 objects
- Napa Valley, Napa County, California255 objects
- Middle Napa Valley, Napa County, California253 objects
- CA-Nap-1 (Goddard Mound), Napa Valley, Napa County230 objects
- Oakville area, Napa Valley, Napa County230 objects
- Lake County, California100 objects
- CA-Sac-107 (Windmiller Mound), Sacramento County, California79 objects
- Sacramento, Sacramento County, California70 objects
- CA-Sac-21 (Hollister Mound), Sacramento County, California61 objects
- CA-Sac-16 (Bennet Mound), Sacramento County, California54 objects
- Colusa County, California54 objects
- CA-Col-2 (Howell's Point), Colusa County, California52 objects