- North America153 objects
- The Americas153 objects
- United States✖Remove constraint Collection place: United States153 objects
- California149 objects
- Northern California129 objects
- Northeastern California91 objects
- Northern Sierras, Northern California67 objects
- Placer County, California63 objects
- CA-Pla-5 or 6, Placer County, California51 objects
- CA-Pla-5, Placer County, California42 objects
- North Central California38 objects
- Yuba County, California38 objects
- Lassen County, California24 objects
- CA-Las-7, Karlo area, Lassen County22 objects
- Karlo area, Lassen County, California22 objects
- CA-Yub-11 (Log Cabin No. 1), Yuba County, California17 objects
- Log Cabin, Yuba County, California17 objects
- CA-Yub-10, Yuba County, California12 objects
- CA-Yub-9, Yuba County, California9 objects
- Eastern California9 objects