- California233 objects
- North America233 objects
- Northern California✖Remove constraint Collection place: Northern California233 objects
- The Americas233 objects
- United States233 objects
- North Central California196 objects
- CA-Yol-13 (Mustang Mound), Yolo County, California168 objects
- Yolo County, California168 objects
- Lassen County, California37 objects
- Northeastern California37 objects
- CA-Sut-11 (Verona Mound), Sutter County, California18 objects
- Sutter County, California18 objects
- CA-Las-7, Karlo area, Lassen County15 objects
- Karlo area, Lassen County, California15 objects
- Honey Lake Valley, Lassen County, California13 objects
- CA-Las-1, Lassen County, California12 objects
- Lake County, California5 objects
- Madeline Plains, Lassen County, California5 objects
- Sacramento County, California5 objects
- Sulphur Bank Rancheria, Lake County, California4 objects