@book{27692,
	author = {Lee, L. W. and Farnham, F. C.},
	title = {The seismic method for determining depths to bedrock as applied in the Lowell quadrangle, Massachusetts /},
	publisher = {[s.n.],},
	year = {1942.},
	series = {[Cooperative geologic project]  Special paper ;},
	address = {Boston, Mass. :},
	note = {At head of title: Commonwealth of Massachusetts.  Dept. of Public Works ... U.S. Dept. of the Interior.  Geological Survey ...}
}