- California637 objects
- North America637 objects
- Northeastern California✖Remove constraint Collection place: Northeastern California637 objects
- Northern California637 objects
- The Americas637 objects
- United States637 objects
- Modoc County, California184 objects
- Northern Sierras, Northern California164 objects
- Shasta County, California132 objects
- Lassen County, California97 objects
- Surprise Valley, Modoc County, California79 objects
- CA-Mod-204, Modoc County, California65 objects
- Calaveras County, California61 objects
- Siskiyou County, California59 objects
- McCloud River, Shasta County, California47 objects
- near Baird, Shasta County, California47 objects
- CA-Las-7, Karlo area, Lassen County44 objects
- Karlo area, Lassen County, California44 objects
- CA-Sha-47 (Redding Mound #1), Redding, Shasta County32 objects
- Placer County, California32 objects