@book{28182,
	author = {Miller, Ralph L. and Geological Survey (U.S.)},
	title = {Manganese deposits of Aroostook County, Maine.},
	publisher = {State Geologist and Maine Development Commission,},
	year = {1947.},
	series = {Maine. State Geologist. Bulletin 4.},
	address = {[Augusta]},
	note = {At head of title : Maine Geological Survey.}
}