Collection place
- North America11 objects
- The Americas11 objects
- United States11 objects
- California9 objects
- Northern California8 objects
- Northwestern California8 objects
- CA-Tri-58, Trinity County, California6 objects
- Trinity County, California6 objects
- Trinity Lake, Trinity County, California6 objects
- Douglas County, Nevada2 objects
- Humboldt County, California2 objects
- NV-Do-12 (Hobo Hot Springs), Douglas County, Nevada2 objects
- Nevada2 objects
- Blocksburg, Humboldt County, California1 objects
- CA-Hum-112, Humboldt County, California1 objects
- CA-Riv-9, Coachella Valley, Riverside County1 objects
- Coachella Valley, Riverside County, California1 objects
- Colorado Desert, Riverside County, California1 objects
- Humboldt Bay, Humboldt County, California1 objects
- Riverside County, California1 objects