Properties and uses of Pennsylvania shales and clays
By: by Bernard J. O'Neill, Jr. [and others]
Contributors: O'Neill, Bernard J., 1920-
Series: Pennsylvania. Bureau of Topographic and Geologic Survey. Bulletin M51; Bulletin M,; 51.
Publisher: [Dept. of Internal Affairs, Bureau of Topographic and Geologic Survey]
Published: 1965
Place of publication: Harrisburg
Language: eng
Number of pages: 448
Subjects: Shale -- Pennsylvania.; Clay -- Pennsylvania.
Notes: Bibliography: p. 441-445.
On cover: Mineral resources report.
At head of title: Pennsylvania Geological Survey, Fourth series.