- California261 objects
- North America✖Remove constraint Collection place: North America261 objects
- Northeastern California261 objects
- Northern California261 objects
- Northern Sierras, Northern California261 objects
- The Americas261 objects
- United States261 objects
- CA-Pla-5 or 6, Placer County, California117 objects
- CA-Pla-5, Placer County, California117 objects
- Placer County, California117 objects
- Nevada County, California106 objects
- Prosser Creek area, Nevada County, California106 objects
- CA-Nev-67, Prosser Creek area, Nevada County86 objects
- Alpine County, California38 objects
- CA-Alp-22, Upper Markleeville Creek, Alpine County38 objects
- Upper Markleeville Creek, Alpine County, California38 objects
- CA-Nev-11, Prosser Creek area, Nevada County19 objects
- CA-Nev-66, Prosser Creek area, Nevada County1 objects