01072cam a22002651 4500 gs 17000193 DLC 20260227111321.0 761018s1917 oncabf b 000 0 eng c gs 17000193 (OCoLC)2510595 Library, U.S. Geological Survey OGraD NSbSU DLC premarc QE185 .A2 no. 94 TN27.B9 D8 Copy 2. Drysdale, Charles Wales, 1885-1917. Ymir mining camp, British Columbia, by Charles Wales Drysdale. Ottawa, Government Printing Bureau, 1917. 2 p. l., vii, 185 p. incl. illus., XIII pl. (incl. front.) diagrs., 2 fold. pl., fold. map (in pocket) fold. tab., col. diagrs. (part fold.) 25 cm. Canada. Geological Survey. Memoir 94. Geological series 76 At head of title: Canada. Department of Mines. "Previous work and bibliography": p. 3-6. Gold mines and mining British Columbia. Memoir (Geological Survey of Canada) ; 94 25752 25752