Collection place
- North America1,444 objects
- The Americas1,444 objects
- United States1,444 objects
- California1,440 objects
- Northern California1,129 objects
- Northeastern California747 objects
- Lassen County, California728 objects
- North Central California382 objects
- Lake County, California258 objects
- CA-Lak-30, Lake County, California224 objects
- Karlo area, Lassen County, California148 objects
- CA-Las-7, Karlo area, Lassen County145 objects
- Secret Valley, Lassen County, California122 objects
- Eastern California115 objects
- Inyo County, California115 objects
- San Francisco Bay Area, California112 objects
- CA-Iny-372 (Rose Spring site), Inyo County, California110 objects
- Sonoma County, California91 objects
- Honey Lake Valley, Lassen County, California88 objects
- Central California83 objects