Collection place
- The Americas257 objects
- North America256 objects
- United States254 objects
- California244 objects
- Northern California144 objects
- North Central California84 objects
- San Francisco Bay Area, California83 objects
- Northeastern California59 objects
- CA-Yol-13 (Mustang Mound), Yolo County, California34 objects
- Yolo County, California34 objects
- Napa County, California24 objects
- Solano County, California22 objects
- Lake County, California20 objects
- Lassen County, California20 objects
- Shasta County, California20 objects
- CA-Las-194, Surprise Valley, Lassen County19 objects
- Fall River Valley, Shasta County, California19 objects
- Lindsey Slough, Solano County, California19 objects
- Surprise Valley, Lassen County, California19 objects
- Napa Valley, Napa County, California18 objects