@book{25961,
	author = {Williams, Merton Yarwood,},
	title = {The Silurian geology and faunas of Ontario peninsula, and Manitoulin and adjacent islands,},
	publisher = {J. de L. Taché, printer,},
	year = {1919.},
	series = {Canada. Geological Survey. Memoir 111. Geological series,},
	address = {Ottawa,},
	note = {At head of title: Canada. Department of Mines.}
}