- California2,832 objects
- North America2,832 objects
- Northeastern California2,832 objects
- Northern California2,832 objects
- Northern Sierras, Northern California✖Remove constraint Collection place: Northern Sierras, Northern California2,832 objects
- The Americas2,832 objects
- United States2,832 objects
- Placer County, California1,551 objects
- Martis Valley, Placer County, California821 objects
- CA-Pla-5 or 6, Placer County, California649 objects
- Nevada County, California568 objects
- San Juan Ridge, Nevada County, California496 objects
- CA-Nev-15, Nevada County, California346 objects
- Sierra County, California214 objects
- Calaveras County, California192 objects
- CA-Sie-20, Sierra County, California166 objects
- CA-Pla-5, Placer County, California150 objects
- Tuolumne County, California127 objects
- CA-Cal-142, Calaveras County, California108 objects
- CA-Nev-46, Nevada County, California70 objects