Silica in Canada; its occurrence, exploitation and uses - Canada. Mines Branch (1901-1936); Cole, Lionel Heber, 1883- (Ottawa, Government Printing Bureau, 1923)
pt. I. Eastern Canada.--pt. II. Western Canada.
At head of title, pt. I-II: Canada. Department of Mines. Hon. Charles Stewart, minister; Charles Camsell, deputy minister. Mines branch, John McLeish, director.
Seven folded maps in pocket of pt. I.
No. 555, 686.
Keywords: Silica