Bearpaw Formation  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Mesozoic
 ...Cretaceous
 ....Upper Cretaceous
 .....Bearpaw Formation
RTAlberta
 Wyoming
 Montana
 Edmonton Formation
 Montana Group
SNIn Montana Group. S Alberta; N, E, and S Montana; and Elk Basin region of central N Wyoming.