01183cam a22003011 4500 gs 65000526 DLC 20260227111418.0 760810s1965 oncab f001 0 eng c gs 65000526 (OCoLC)2363633 U.S. Geol. Survey Libr. FTaSU NSbSU DLC premarc QE185 .A2 no. 322 Norris, A. W. (Arnold Willy) Stratigraphy of Middle Devonian and older Palaeozoic rocks of the Great Slave Lake region, Northwest Territories, by A. W. Norris. [Ottawa] Dept. of Mines and Technical Surveys, Canada [1965] x, 180 p. illus., maps. 25 cm. Canada. Geological Survey. Memoir, 322 Text and folded illustrative matter issued in portfolio. Abstract also in French. Bibliography: p. 90-96. Geology, Stratigraphic Paleozoic. Geology Northwest Territories Mackenzie. Petrology Northwest Territories Mackenzie. Great Slave Lake region, Northwest Territories. Memoir (Geological Survey of Canada) ; 322 30153 30153