Collection place
- Big Lake, Fall River Valley, Shasta County1 objects
- CA-Lak-30, Lake County, California1 objects
- CA-Las-100, Mud Flat, Lassen County1 objects
- CA-Las-6, Honey Island, Lassen County1 objects
- CA-Las-68, Secret Valley, Lassen County1 objects
- CA-Nap-16, Napa Valley, Napa County1 objects
- CA-Pla-5 or 6, Placer County, California1 objects
- CA-Sac-109 (Drescher Mound), Sacramento County, California4 objects
- CA-Sha-93, Big Lake, Shasta County1 objects
- CA-Sie-20, Sierra County, California1 objects
- CA-Sis-100, Tule Lake, Siskiyou County1 objects
- CA-Sis-252, Glaser Lakes, Siskiyou County1 objects
- California14 objects
- Cantón Montúfar, Carchi Province, Ecuador1 objects
- Carchi Province, Ecuador1 objects
- Chihuahua Municipality, Chihuahua, Mexico1 objects
- Chihuahua, Mexico1 objects
- Churchill County, Nevada2 objects
- Douglas County, Nevada1 objects
- Ecuador1 objects