@book {23683,
	title = {Sources of the river: tracking David Thompson across western North America},
	year = {2007},
	pages = {1-292},
	address = {Seattle, WA: Sasquatch Books},
	keywords = {David Thompson, North America, tracking},
	isbn = {1570615225; 9781570615221},
	author = {Nisbet, Jack and Thompson, David}
}
