@book{26109,
	author = {Cockfield, William Egbert,},
	title = {Sixtymile and Ladue rivers area, Yukon,},
	publisher = {Thomas Mulvey, printer,},
	year = {1921.},
	series = {Canada. Geological Survey. Memoir 123. no. 105, Geological series},
	address = {Ottawa,}
}