- California23 objects
- North America23 objects
- Northern California✖Remove constraint Collection place: Northern California23 objects
- The Americas23 objects
- United States23 objects
- North Central California12 objects
- Northeastern California9 objects
- Northern Sierras, Northern California6 objects
- Calaveras County, California4 objects
- Sacramento County, California4 objects
- Yolo County, California4 objects
- CA-Yol-13 (Mustang Mound), Yolo County, California3 objects
- CA-Cal-14, Calaveras County, California2 objects
- CA-Cal-142, Calaveras County, California2 objects
- CA-Hum-112, Humboldt County, California2 objects
- CA-Mod-204, Modoc County, California2 objects
- CA-Sut-11 (Verona Mound), Sutter County, California2 objects
- Humboldt Bay, Humboldt County, California2 objects
- Humboldt County, California2 objects
- Modoc County, California2 objects