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- Columbia Plateau2
- Northern Mariana IslandsSaipan2
- ArizonaMaricopa County1
- ArizonaPinal County1
- ColoradoJackson County1
- ColoradoNorth Park Region1
- Death Valley (Calif. and Nev.)1
- Gallatin River Watershed (Wyo. and Mont.)1
- IndianaLaPorte County1
- IndianaSaint Joseph County1
- MichiganBerrien County1
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- Montana1
- Morrison Formation1
- NevadaNevada Test Site1
- New HampshirePemigewasset River Watershed1
- New York (State)Broome County1
- New York (State)Chenango County1
- New York (State)Genesee County1
- San Juan Basin (N.M. and Colo.)1