@article {31464,
	title = {Hydrogeological concerns in underground excavation - Athabasca Oil Sands area. Presented at the AOSTRA Seminar on Underground Excavation in oil sands, Edmonton, May 19, 1978, edited by M. B. Dusseault},
	volume = {Paper No. 2},
	year = {1978},
	institution = {Alberta Oil Sands Technology and Research Authority},
	author = {Hackbarth, D. A.}
}
