00694cam a22002291 4500 gs 17000135 DLC 20260227111320.0 760415s1916 oncabef 001 0 eng gs 17000135 (OCoLC)2113849 DLC GAT DLC TN948.F3 C3 Canada. Mines Branch (1901-1936) Feldspar in Canada, by Hugh S. de Schmid. Ottawa, Government Printing Bureau, 1916. viii, 126 p. XXII pl., fold. plan, fold. map, diagrs. 25 cm. "No. 401." Includes bibliographies. Feldspar. Spence, Hugh S. (Hugh Swaine), 1885- 25744 25744