@book{26964,
	author = {Westgate, Lewis G. and Knopf, Adolph,},
	title = {Geology and ore deposits of the Pioche district, Nevada /},
	publisher = {U.S. Gov't. Print. Off.,},
	year = {1932.},
	series = {Geological Survey (U.S.). Geological Survey professional paper ;},
	address = {Washington :},
	note = {At head of title: United States Dept. of the Interior.}
}