@book{24898,
	author = {Maddren, A. G.},
	title = {The Innoko gold-placer district, Alaska, with accounts of the central Kuskokwim Valley and the Ruby Creek and Gold Hill placers,},
	publisher = {Govt. Print. Off.,},
	year = {1910.},
	series = {U.S. Geological survey. Bulletin},
	address = {Washington,},
	note = {Issued also as House doc. no. 188, 61st Cong., 2d sess.}
}