Collection place
- Wagon Valley, Siskiyou County, California17 objects
- Van Duzen River, Humboldt County, California16 objects
- CA-Hum-187, Humboldt County, California15 objects
- Central California14 objects
- Foot of Lembert Dome, Tuolumne Meadows, Tuolumne County11 objects
- Central California coast7 objects
- Monterey County, California7 objects
- South Central California7 objects
- near junction of Pit River and Squaw Creek, Shasta County, California7 objects
- Chalk Mountains, Humboldt County, California6 objects
- CA-Hum-203, Humboldt County, California5 objects
- Larabee Valley, Humboldt County, California5 objects
- Mendocino County, California4 objects
- Modoc County, California4 objects
- South shore, Tule Lake, Modoc County4 objects
- Tule Lake, Modoc County, California4 objects
- Yosemite National Park, California4 objects
- Buck Creek, Monterey County, California2 objects
- Dingley Creek, Tuolumne Meadows, Tuolumne County2 objects
- El Dorado City, El Dorado County, California2 objects