Colville Group  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Mesozoic
 ...Cretaceous
 ....Upper Cretaceous
 .....Colville Group
RTAlaska
SNN Alaska. Overlies Nanushuk Group; underlies Sagavanirktok and Gubik formations. Added to Thesaurus in 1989.