@book{30448,
	author = {Leighton, Freeman Beach,},
	title = {Gold Butte vermiculite deposits, Clark County, Nevada.},
	publisher = {Mackay School of Mines; [for sale by the Nevada Bureau of Mines, University of Nevada]},
	year = {1967.},
	address = {Reno,},
	note = {"Modified from authors Ph.D. dissertation, California Institute of Technology, 1952."}
}