Collection place
- Coachella Valley, Riverside County, California2 objects
- Colorado Desert, Riverside County, California2 objects
- Colusa County, California2 objects
- Elko County, Nevada2 objects
- Fresno County, California2 objects
- Goose Lake area, Kern County, California2 objects
- Merced County, California2 objects
- NV-El-11, Elko County, Nevada2 objects
- Napa County, California2 objects
- Northeastern California2 objects
- Palm Tract, Contra Costa County, California2 objects
- Riverside County, California2 objects
- Rodeo, Contra Costa County, California2 objects
- Unincorporated eastern Contra Costa County, California2 objects
- Unincorporated western Contra Costa County, California2 objects
- Berryessa Valley, Napa County, California1 objects
- Buena Vista Lake area, Kern County, California1 objects
- Buena Vista Lake, Kern County, California1 objects
- Buena Vista area, Kern County, California1 objects
- CA-Ker-33, Kern County, California1 objects