@article {27968,
	title = {Late Quaternary pyroclastic layers in the Edmonton area, Alberta. In : Pedology and Quaternary Research. Symposium held at Edmonton, Alberta, May 13 and 14th, 1969, edited S. Pawluk},
	year = {1969},
	pages = {179-186},
	institution = {University of Alberta},
	author = {Westgate, J. A. and Smith, D, G. W. and Nichols, H.}
}
