Collection place
- California16 objects
- North America16 objects
- The Americas16 objects
- United States16 objects
- Northern California12 objects
- Lassen County, California11 objects
- Northeastern California11 objects
- Secret Valley, Lassen County, California4 objects
- Secret Creek, Lassen County, California3 objects
- CA-Ker-1, Kern County, California2 objects
- CA-Las-67, Lassen County, California2 objects
- CA-Las-71, Lassen County, California2 objects
- CA-Mrn-165, Marin County, California2 objects
- Central California2 objects
- Kern County, California2 objects
- Lake Isabella Reservoir, Kern County, California2 objects
- Marin County, California2 objects
- San Francisco Bay Area, California2 objects
- South Central California2 objects
- CA-Las-100, Mud Flat, Lassen County1 objects