Keg River Formation  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Paleozoic
 ...Devonian
 ....Keg River Formation
RTAlberta
 Canada
 Winnipegosis Formation
SNSubsurface. Includes the Rainbow (reef) Member. Eastward in Saskatchewan, the Keg River Formation is termed the Winnipegosis Formation. NW Alberta.