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Region
- Northern Mariana IslandsSaipan2
- ArizonaMaricopa County1
- ArizonaPinal County1
- ColoradoJackson County1
- ColoradoNorth Park Region1
- Columbia Plateau1
- Gallatin River Watershed (Wyo. and Mont.)1
- IndianaLaPorte County1
- IndianaSaint Joseph County1
- MichiganBerrien County1
- MichiganCass County1
- Montana1
- Morrison Formation1
- New HampshirePemigewasset River Watershed1
- New York (State)Genesee County1
- San Juan Basin (N.M. and Colo.)1
- TexasFort Worth Region1
- TexasTarrant County1
- UtahDugway Proving Ground Region1