@book{27012,
	author = {Hewett, Donnel Foster, and Webber, B. N. and Nevada Bureau of Mines.},
	title = {Bedded deposits of manganese oxides near Las Vegas, Nevada,},
	publisher = {University of Nevada},
	year = {[1931]},
	address = {Reno,},
	note = {At head of title: Bulletin of Nevada State Bureau of Mines and Mackay School of Mines.}
}