Geology of the west-central part of the southern anthracite field and adjoining areas, Pennsylvania,
by Gordon H. Wood, Jr., J. Peter Trexler, and Thomas M. Kehn.
- Washington, U.S. Govt. Print. Off., 1969.
- vi, 150 p. illus., (1 fold. col. in pocket) 29 cm.
- Geological Survey professional paper 602 .
- Geological Survey professional paper ; 602. .