@book{27214,
	author = {Berry, Edward Wilber,},
	title = {A preliminary contribution to the floras of the Whitemud and Ravenscrag formations,},
	publisher = {J.O. Patenaude, printer to the King,},
	year = {1935.},
	series = {Geological Survey of Canada. Memoir},
	address = {Ottawa,},
	note = {At head of title: Canada.  Department of mines.  Bureau of economic geology.}
}