@book{25784,
	author = {Porch, E. L. and University of Texas.},
	title = {The Rustler Springs sulphur deposits /},
	publisher = {The University,},
	year = {1917.},
	series = {University of Texas bulletin ;},
	address = {Austin, Tex. :},
	note = {At head of title: Bureau of Economic Geology and Technology.}
}