- California191 objects
- North America191 objects
- Northern California191 objects
- The Americas191 objects
- United States191 objects
- Northwestern California189 objects
- Mendocino County, California188 objects
- Round Valley, Mendocino County, California187 objects
- Butte County, California2 objects
- Dogwood Creek, Butte County, California2 objects
- Lake Oroville/Upper Feather River watershed2 objects
- North Central California2 objects
- Blocksburg, Humboldt County, California1 objects
- Humboldt County, California1 objects
- Sherwood Valley, Mendocino County, California1 objects