@book{28723,
	author = {Sims, P. K. and Leonard, B. F.},
	title = {Geology of the Andover mining district, Sussex County, New Jersey,},
	publisher = {Division of Planning and Development,},
	year = {1952.},
	series = {New Jersey.  Dept. of Conservation and Economic Development.  Bulletin 62, geologic series},
	address = {Trenton,}
}