https://catalogue-scientifique.canada.ca/record=3978922~S6*frc
Rechercher Church, M; Rechercher Chagnon, J.-Y; Rechercher Christiansen, E.A; Rechercher McCann, S.B; Rechercher Nasmith, H.W; Rechercher Topp, G.C
Geological Survey of Canada, 1988
Publication gouvernementale