Properties and uses of shales and clays, southwestern Pennsylvania
By: by Bernard J. O'Neill, Jr., and John H. Barnes.
Contributors: Barnes, John Henry, 1946- joint author.
Series: Mineral resource report ;; 77
Publisher: Pennsylvania Geological Survey
Published: 1979
Place of publication: Harrisburg
Language: eng
Number of pages: 689
Subjects: Shale -- Pennsylvania.; Clay -- Pennsylvania.
Notes: Bibliography: p. 681-685.