Region
- Saturn (Planet)5
- Uinta Basin (Utah and Colo.)5
- Wyoming5
- MontanaButte Region4
- MontanaDillon Region4
- NevadaElko County4
- NevadaEsmeralda County4
- NevadaLincoln County4
- NevadaNye County4
- Utah4
- WyomingPlatte County4
- AlaskaAlaska Peninsula Region3
- Appalachian Region3
- Arizona3
- CaliforniaMono County3
- ColoradoPiceance Creek Basin3
- Ganymede (Satellite)3
- Kansas3
- Minnesota3
- Missouri3