Properties and uses of Pennsylvania shales and clays, Southeastern Pennsylvania
By: by Karl V. Hoover [and others].
Contributors: Hoover, Karl V.
Series: Mineral resources report; M63
Publisher: [Commonwealth of Pennsylvania, Bureau of Topographic and Geologic Survey]
Published: 1971
Place of publication: Harrisburg
Language: eng
Number of pages: 329
Subjects: Shale -- Pennsylvania.; Clay -- Pennsylvania.
Notes: Bibliography: p. 320-321.
"Pennsylvania Geological Survey fourth series."
Additional statistical material (4 p.) fold. in pocket.