00000nas 2200000za 4500 9.842124 CaOODSP 20221107152244 cr ||||||||||| 170821u1986uuuuonc x m o f000#a0eng|d CaOODSP eng n-cn--- M183-4E-PDF Internal report (Geological Survey of Canada. Geophysics Division) Internal report [electronic resource] / Geophysics Division, Geological Survey of Canada. [Ottawa] : Geophysics Division, Geological Survey Canada. Irregular Description based on: no. 88-2. gccst Geophysics Canada. Energy, Mines and Resources Canada. Geological Survey of Canada. Geophysics Division.