- North America101 objects
- The Americas101 objects
- United States101 objects
- California100 objects
- Northern California93 objects
- North Central California58 objects
- Northeastern California19 objects
- Northwestern California16 objects
- Northern Sierras, Northern California15 objects
- Central California3 objects
- South Central California3 objects
- Deer Creek, Tehama County, California2 objects
- Lassen County, California2 objects
- Plumas County, California2 objects
- Siskiyou County, California2 objects
- Susanville, Lassen County, California2 objects
- Tehama County, California2 objects
- Central Oregon1 objects
- Del Norte County, California1 objects
- Haupt Ranch, Sonoma County, California1 objects