Collection place
- Fresno County, California90 objects
- Lassen County, California88 objects
- Humboldt County coast, Humboldt County, California84 objects
- Janesville, Lassen County, California81 objects
- Sonoma County, California80 objects
- West Virginia78 objects
- Oregon77 objects
- Central Oregon76 objects
- Montana75 objects
- Riverside County, California74 objects
- Yosemite National Park, California74 objects
- Great Plains, North America72 objects
- Alameda County, California71 objects
- Banning, Riverside County, California70 objects
- Peninsular Ranges, Riverside County, California70 objects
- San Gorgonio Pass, Riverside County, California70 objects
- Northern Sierras, Northern California69 objects
- Klamath County, Oregon68 objects
- Africa67 objects
- Klamath Reservation, Klamath County, Oregon67 objects