@book{28977,
	author = {Espenshade, Gilbert H.},
	title = {Geology and mineral deposits of the James River-Roanoke River manganese district, Virginia /},
	publisher = {U.S. G.P.O.,},
	year = {1954.},
	address = {Washington, [D.C.] :},
	note = {Includes index.}
}