@article {35171,
	title = {Rain, snow and lake water chemistry on and near the Precambrian Shield of western Canada},
	volume = {30},
	year = {1986},
	pages = {115-123},
	publisher = {Water, Air, \& Soil Pollution},
	url = {http://www.springerlink.com/content/n613752960mu18p1/fulltext.pdf},
	author = {Shewchuk, S. R.}
}
