@mastersthesis {26860,
	title = {Sedimentation and stratigraphy of the Drayton Valley, North Pembina, Violet Grove and Pembina blocks, Pembina oil field, west central Alberta},
	year = {1961},
	pages = {95},
	address = {University of Wisconsin-Madison},
	keywords = {geology},
	author = {Halpern, Martin}
}
