Collection place
- California1,530 objects
- North America1,530 objects
- Northern California1,530 objects
- The Americas1,530 objects
- United States1,530 objects
- Northeastern California1,452 objects
- Northern Sierras, Northern California1,452 objects
- Nevada County, California1,286 objects
- San Juan Ridge, Nevada County, California1,275 objects
- CA-Nev-15, Nevada County, California790 objects
- CA-Nev-46, Nevada County, California171 objects
- Sierra County, California111 objects
- CA-Nev-30, Nevada County, California94 objects
- Humboldt County, California67 objects
- Northwestern California67 objects
- Humboldt County coast, Humboldt County, California65 objects
- Plumas County, California55 objects
- CA-Sie-3, Sierra County, California48 objects
- Sweetland area, Nevada County, California48 objects
- CA-Nev-45, Nevada County, California44 objects