01114cam a22002891 4500 gs 09000576 DLC 20260227111309.0 820823s1909 xxcabf 000 0 eng c gs 09000576 (OCoLC)8712918 U.S. Geol. Survey Library CU-Riv DLC n-cn--- TN26 .Y58 Geological Survey of Canada. A descriptive sketch of the geology and economic minerals of Canada. By G. A. Young. Introduction by R. W. Brock. Ottawa, Government Printing Bureau, 1909. 151 p., 1 l. illus., plates, 2 fold maps. 25 cm. Cover title. At head of title: Canada. Department of mines. Geological survey branch. Second edition, issued in 1926, has title: Geology and economic minerals of Canada. Geology Canada. Mines and mineral resources Canada. Young, G. A. (George Albert), 1878- Brock, Reginald Walter, 1874-1935. Geology and economic minerals of Canada. 24884 24884