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Data sets Publications Expeditions Thesaurus
Clearwater Formation  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Mesozoic
 ...Cretaceous
 ....Lower Cretaceous
 .....Clearwater Formation
RTAlberta
 Athabasca Oil Sands
 Mannville Group
SNIn Mannville Group. Includes Wabiskaw Member. Added to Thesaurus in 1989.