- California342 objects
- North America✖Remove constraint Collection place: North America342 objects
- The Americas342 objects
- United States342 objects
- Lassen County, California331 objects
- Northeastern California331 objects
- Northern California331 objects
- CA-Las-7, Karlo area, Lassen County248 objects
- Karlo area, Lassen County, California248 objects
- CA-Las-111, Lassen County, California27 objects
- CA-Las-39 (Flint Hill), Susanville, Lassen County21 objects
- Susanville, Lassen County, California21 objects
- CA-Las-191, Eagle Lake, Lassen County16 objects
- Eagle Lake, Lassen County, California16 objects
- CA-Iny-372 (Rose Spring site), Inyo County, California11 objects
- Eastern California11 objects
- Inyo County, California11 objects
- Secret Valley, Lassen County, California9 objects
- CA-Las-45, Lassen County, California8 objects
- CA-Las-112, Secret Valley, Lassen County6 objects