Elk Point Group  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Paleozoic
 ...Devonian
 ....Middle Devonian
 .....Elk Point Group
RTAlberta
 Saskatchewan
 Montana
 North Dakota
 Manitoba
 South Dakota
 Prairie Evaporite
 Winnipegosis Formation
SNIncludes Ashern Formation, Elm Point Formation, Winnipegosis Formation, and Prairie Evaporite.