01013cam a22002771 4500 gs 12000600 DLC 20260227111313.0 760415s1912 oncabf 001 0 eng gs 12000600 (OCoLC)2114037 DLC GAT DLC TN933 .S7 Spence, Hugh S. (Hugh Swaine), 1885- Mica, its occurrence, exploitation, and uses; by Hugh S. de Schmid. 2d ed. Ottawa, Government Printing Bureau, 1912. xiv, 411 p. illus., XXXVIII pl.(part fold.) maps (part fold.) diagrs. (part fold.) 25 cm. Canada. Mines Branch (1901-1936) [Monograph] no. 118 At head of title: Canada. Dept. of Mines. Mines Branch. First edition, published 1905, was by Fritz Cirkel. "Literature consulted": p. 391-398. Mica. Cirkel, Fritz, 1863-1914. Mica. Canada. Mines Branch (1901-1936) 25170 25170