Collection place
- North America3,763 objects
- The Americas3,763 objects
- United States3,760 objects
- California3,744 objects
- Northern California2,944 objects
- Northeastern California2,062 objects
- Lassen County, California2,029 objects
- North Central California882 objects
- Karlo area, Lassen County, California477 objects
- CA-Las-7, Karlo area, Lassen County469 objects
- Lake County, California415 objects
- CA-Lak-30, Lake County, California335 objects
- Sacramento County, California334 objects
- Eastern California333 objects
- Inyo County, California333 objects
- CA-Iny-372 (Rose Spring site), Inyo County, California327 objects
- San Francisco Bay Area, California300 objects
- Honey Lake Valley, Lassen County, California278 objects
- Madeline Plains, Lassen County, California272 objects
- Sonoma County, California242 objects