Mica, its occurrence, exploitation, and uses;
Spence, Hugh S. 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.
At head of title: Canada. Dept. of Mines. Mines Branch. First edition, published 1905, was by Fritz Cirkel.
"Literature consulted": p. 391-398.
gs 12000600
Mica.
TN933 / .S7
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.
At head of title: Canada. Dept. of Mines. Mines Branch. First edition, published 1905, was by Fritz Cirkel.
"Literature consulted": p. 391-398.
gs 12000600
Mica.
TN933 / .S7