- North America27 objects
- The Americas27 objects
- United States27 objects
- Nevada25 objects
- Churchill County, Nevada22 objects
- NV-Ch-18 (Lovelock Cave), Churchill County, Nevada19 objects
- Pershing County, Nevada3 objects
- California2 objects
- NV-Ch-35 (Humboldt Cave), Churchill County, Nevada2 objects
- NV-Pe-12, Pershing County, Nevada2 objects
- Northern California2 objects
- Amador County, California1 objects
- CA-Ama-3 (Bamert Cave), Amador County, California1 objects
- CA-Sac-2 or 3 or 6 ('Johnson Mound'), Sacramento County, California1 objects
- CA-Sac-6, Sacramento County, California1 objects
- Cave southeast of Fallon, Churchill County, Nevada1 objects
- Grimes Point Caves, Churchill County, Nevada1 objects
- NV-Pe-14, Pershing County, Nevada1 objects
- North Central California1 objects
- Northeastern California1 objects