Collection place
- California153 objects
- North America153 objects
- The Americas153 objects
- United States153 objects
- Northern California145 objects
- Northwestern California120 objects
- Humboldt County, California37 objects
- Mendocino County, California18 objects
- Del Norte County, California16 objects
- Elk Valley, Del Norte County, California16 objects
- Klamath River, Humboldt County, California15 objects
- Mouth of Salmon River, Del Norte County, California15 objects
- North Central California15 objects
- Blocksburg, Humboldt County, California11 objects
- Klamath River below Weitchpec, Humboldt County, California10 objects
- Northeastern California10 objects
- Round Valley, Mendocino County, California8 objects
- San Francisco Bay Area, California6 objects
- Shasta County, California6 objects
- Mad River, Humboldt County, California5 objects