Coal resources of Lawrence County, Pennsylvania /
Van Lieu, J. A.
Patterson, E. D.(Elmer Davisson)
Pennsylvania.Bureau of Topographic and Geologic Survey.
Geological Survey (U.S.)
Washington [D.C.] : U.S. G.P.O.,
1964.
Five folded plates in pocket.
Prepared in cooperation with the Pennsylvania Geological Survey.
Includes bibliographical references (p. B32-B33).
Coal