@mastersthesis {40699,
	title = {The declining role in the earth sciences in the planning, management and interpretation of Canada{\textquoteright}s national parks: Identification, documentation, possible causes and means of reversal},
	year = {1996},
	address = {University of Waterloo},
	keywords = {geology},
	url = {http://search.proquest.com/docview/304323148},
	author = {Campbell, John Michael}
}
