@book{26261,
	author = {Canada. and Cole, Lionel Heber,},
	title = {Silica in Canada;},
	publisher = {Government Printing Bureau,},
	year = {1923-28.},
	address = {Ottawa,},
	note = {At head of title, pt. I-II: Canada. Department of Mines. Hon. Charles Stewart, minister; Charles Camsell, deputy minister. Mines branch, John McLeish, director.}
}