00872cam a22002531 4500 gs 30000280 DLC 20260227111335.0 790215s1930 xx 000 0 eng c gs 30000280 (OCoLC)4656176 Library, U.S. Geological Survey OCl DLC premarc TN26 .A4 no. 7 1930b Geological Survey of Canada Prospecting in Canada, by officers of the Geological survey, Ottawa. Ottawa, F. A. Acland, printer, 1930. ix, 288 p. incl. illus., maps, tables, diagrs. XXIII pl. 25 cm. Canada. Geological survey. Economic geology series no. 7 At head of title: Canada Department of mines. Bibliographical references. Prospecting. Ore deposits Canada. 26825 26825