@book{27789,
	author = {Libbey, Fay Wilmott, and Allen, John Eliot,},
	title = {Manganese in Oregon,},
	year = {1942.},
	series = {Oregon. Dept. of Geology and Mineral Industries Bulletin},
	address = {[Portland, Or.]},
	note = {At head of title: State of Oregon.  Dept. of Geology and Mineral Industries.}
}