00995cam a22002891 4500 gs 65000003 DLC 20260227111415.0 770428s1964 oncab b f000 0 eng c gs 65000003 (OCoLC)2924461 U.S. Geol. Survey. Libr. InMuB InMuB OCoLC DLC eng fre premarc n-cn-nt QE185 .A43 no. 99 Graig, Bruce Gordon, 1922- Surficial geology of east-central District of Mackenzie. [Ottawa] Dept. of Mines and Technical Surveys, Canada [1964] viii, 41 p. illus., maps (2 fold. col. in pocket) 25 cm. Canada. Geological Survey. Bulletin 99 Abstract also in French. Bibliography: p. 40-41. Geology Northwest Territories Mackenzie. Geology, Stratigraphic Pleistocene. Bulletin (Geological Survey of Canada) ; 99. 29949 29949