00000nas 2200000za 4500 9.838237 CaOODSP 20250723084525 cr ||||||||||| 170614d19641977onctu p o b f000#a0eng|d CaOODSP eng n-cn--- M41-1/4E-PDF Geological Survey of Canada. Report of activities - Geological Survey of Canada [electronic resource]. Ottawa : Geological Survey of Canada, 1964-1977. Three times a year (called Parts A, B and C), 1975-1977 Semi-annual, 1965-1974 1964-1977. Paper - Geological Survey ; 65.1-77.1C. Issues for some years published in multiple parts. "This document was produced by scanning the original publication." Includes bibliographical references and index. Issued 1964-1966 by Department of Mines and Technical Surveys; 1967-1977 by Department of Energy, Mines, and Resources. gccst Geology