- North America22 objects
- The Americas22 objects
- United States✖Remove constraint Collection place: United States22 objects
- California20 objects
- Southern California14 objects
- CA-Imp-8, Imperial County, California12 objects
- Imperial County, California12 objects
- Northeastern California6 objects
- Northern California6 objects
- CA-Sha-20, Shasta County, California5 objects
- McCloud River, Shasta County, California5 objects
- Shasta County, California5 objects
- near Baird, Shasta County, California5 objects
- CA-Las-100, Mud Flat, Lassen County1 objects
- CA-SBa-123, Santa Barbara County, California1 objects
- Columbia River Basin, United States1 objects
- Lassen County, California1 objects
- Mud Flat, Lassen County, California1 objects
- NV-Pe-5, Pershing County, Nevada1 objects
- Nevada1 objects