01037cam a22002771 4500 gs 14000741 DLC 20260227111316.0 761012s1913 oncabf b 000 0 eng c gs 14000741 (OCoLC)2497438 U.S. Geol. survey. Library OGraD NSbSU DLC premarc QE185 .A2 no. 19 TN444.C4 B75 Copy 2. Leroy, Osmond Edgar. Mother lode and Sunset mines, Boundary district, B.C., by O.E. LeRoy. Ottawa, Government Printing Bureau, 1913. iv, 56 p. illus., V pl. (incl. front.) 2 fold. maps (in pocket) 25 cm. Canada. Geological Survey. Memoir 19, Geological series 26 At head of title: Canada. Department of Mines ... "Previous work and bibliography": p.5-6. Geology British Columbia. Mines and mineral resources British Columbia. Memoir (Geological Survey of Canada) ; no. 19 25423 25423