01047cam a22002651 4500 gs 16000020 DLC 20260227111319.0 771026s1915 oncabef b f001 0 eng c gs 16000020 (OCoLC)3370919 U.S. Geological Survey NcBoA NSbSU DLC n-cn-bc QE185 .A2 no. 77 TN27.B9 D7 Copy 2. QE187 .D68 Drysdale, Charles Wales, 1885-1917. Geology and ore deposits of Rossland, British Columbia, by Charles Wales Drysdale. Ottawa, Government printing bureau, 1915. 2 p. l., xi p., 1 l., 317 p. incl. illus., plates (part col., part fold.) col. front., col. plans (part fold.) fold. maps (6 in pocket) fold. tab., diagrs. 25 cm. Canada. Geological survey. Memoir 77; Geological series no. 64 Bibliography: p. 18-22. Geology British Columbia Rossland. Memoir (Geological Survey of Canada) ; 77 25626 25626