@article {22438,
	title = {Past and present trade routes to the Canadian Northwest},
	volume = {10},
	year = {1920},
	pages = {57-83},
	publisher = {Geographical Review},
	keywords = {Canada, trade routes},
	isbn = {0016-7428},
	url = {http://www.jstor.org/stable/207705},
	author = {Alcock, F.J.}
}
