Collection place
- San Bernardino County, California3 objects
- Southern California3 objects
- Troy Lake area, San Bernardino County, California3 objects
- Alamo Plain, Ensenada municipality, Baja California2 objects
- CA-Fre-293, Fresno County, California2 objects
- CA-Nap-16, Napa Valley, Napa County2 objects
- CA-Sis-2, Tule Lake, Siskiyou County2 objects
- Lower Napa Valley, Napa County, California2 objects
- Napa Valley, Napa County, California2 objects
- Nevada2 objects
- Northeastern California2 objects
- Sacramento County, California2 objects
- Siskiyou County, California2 objects
- Site 6, Alamo Plain, Ensenada municipality2 objects
- Sonoma County, California2 objects
- Tule Lake, Siskiyou County, California2 objects
- Berryessa Valley, Napa County, California1 objects
- CA-Col-2 (Howell's Point), Colusa County, California1 objects
- CA-Fre-291, Fresno County, California1 objects
- CA-Fre-292, Fresno County, California1 objects