- North America4 objects
- The Americas4 objects
- United States4 objects
- California2 objects
- Lander County, Nevada2 objects
- Nevada2 objects
- Northern California2 objects
- CA-Sis-262 (Foster site), Bogus Creek, Siskiyou County1 objects
- CA-Teh-193 (Payne Cave), Tehama County, California1 objects
- NV-La-1103, Lander County, Nevada1 objects
- NV-La-1104, Lander County, Nevada1 objects
- North Central California1 objects
- Northeastern California1 objects
- Siskiyou County, California1 objects
- Tehama County, California1 objects