- California41,678 objects
- North America41,678 objects
- Northeastern California✖Remove constraint Collection place: Northeastern California41,678 objects
- Northern California41,678 objects
- The Americas41,678 objects
- United States41,678 objects
- Northern Sierras, Northern California12,847 objects
- Lassen County, California11,500 objects
- Modoc County, California9,303 objects
- Surprise Valley, Modoc County, California7,454 objects
- CA-Mod-204, Modoc County, California4,941 objects
- Siskiyou County, California4,294 objects
- Karlo area, Lassen County, California3,772 objects
- CA-Las-7, Karlo area, Lassen County3,756 objects
- Placer County, California3,507 objects
- Calaveras County, California3,141 objects
- Shasta County, California3,112 objects
- Nevada County, California2,532 objects
- Honey Lake Valley, Lassen County, California2,265 objects
- San Juan Ridge, Nevada County, California2,173 objects