@book{30507,
	author = {Wood, Gordon H. and Trexler, J. Peter,},
	title = {Geology of the west-central part of the southern anthracite field and adjoining areas, Pennsylvania,},
	publisher = {U.S. Govt. Print. Off.,},
	year = {1969.},
	series = {Geological Survey professional paper 602},
	address = {Washington,},
	note = {Part of illustrative matter fold. in pocket.}
}