Collection place
- North America1,326 objects
- The Americas1,326 objects
- United States1,326 objects
- California1,296 objects
- Lassen County, California1,296 objects
- Northeastern California1,296 objects
- Northern California1,296 objects
- Karlo area, Lassen County, California1,223 objects
- CA-Las-7, Karlo area, Lassen County1,215 objects
- Nevada30 objects
- Washoe County, Nevada30 objects
- Secret Valley, Lassen County, California22 objects
- Petes Valley, Lassen County, California19 objects
- CA-Las-115, Lassen County, California18 objects
- NV-Wa-46, Washoe County, Nevada18 objects
- Secret Creek, Lassen County, California13 objects
- CA-Las-11, Petes Valley, Lassen County11 objects
- CA-Las-70, Lassen County, California11 objects
- CA-Las-32, Petes Valley, Lassen County8 objects
- NV-Wa-45 (Smoke Creek Shelter), Washoe County, Nevada6 objects