@conference {54003,
	title = {The impact of oil sands development on the land surface},
	year = {1974},
	note = {Presented at the Engineering Institute of Canada Western Region Tar Sands Conference April 17-19, 1974. Edmonton, Alberta.  24 pp.},
	month = {04/1974},
	pages = {24 pages },
	address = {Edmonton, AB },
	keywords = {overview},
	author = {Thiessen, H. W.}
}
