https://catalogue-scientifique.canada.ca/record=3836507~S6*frc
Rechercher Stacey, R. A; Rechercher Boyd, J. B; Rechercher Stephens, L. E; Rechercher Burke, W. E. F; Rechercher Boyd, J.B; Rechercher Stephens, L.E; Rechercher Burke, W.E.F
Dept. of Energy, Mines and Resources, Earth Physics Branch, 1973
Gravity maps 152, 153, 154 and 155 correspond to the 1:1,000,000 scale N.T.S. mapsheets 82, 92, 93 and 103 and cover southwestern Alberta, southern British...
Publication gouvernementale