@book{24182,
	author = {Collier, Arthur J.},
	title = {The coal resources of the Yukon, Alaska,},
	publisher = {Gov't print. off.,},
	year = {1903.},
	series = {United States. Geological survey. Bulletin no. 218},
	address = {Washington,},
	note = {Subject series: A, Economic geology, 26.}
}