Collection place
- North America49 objects
- The Americas49 objects
- United States47 objects
- California42 objects
- Northern California31 objects
- Northeastern California21 objects
- Humboldt County, California9 objects
- Northwestern California9 objects
- CA-Hum-187, Humboldt County, California7 objects
- San Francisco Bay Area, California7 objects
- Van Duzen River, Humboldt County, California7 objects
- CA-Las-16, Honey Island, Lassen County6 objects
- Honey Island, Honey Lake, Lassen County6 objects
- Honey Lake Valley, Lassen County, California6 objects
- Honey Lake, Lassen County, California6 objects
- Lassen County, California6 objects
- Northern Sierras, Northern California6 objects
- Lander County, Nevada4 objects
- Napa County, California4 objects
- Nevada4 objects