Coal-bearing Upper Pennsylvanian and Lower Permian rocks, Washington area, Pennsylvania
By: by Henry L. Berryhill, Jr., Stanley P. Schweinfurth, and Bion H. Kent.
Contributors: Schweinfurth, Stanley P., joint author.; Kent, Bion H. 1925- joint author.
Series: Geological Survey professional paper 621; Geological Survey professional paper ;; 621.
Publisher: U.S. Govt. Print. Off.
Published: 1971
Place of publication: Washington
Language: eng
Number of pages: 47
Subjects: Geology, Stratigraphic -- Permian.; Geology, Stratigraphic -- Pennsylvanian.; Coal -- Geology -- Pennsylvania -- Washington Region.
Notes: Bibliography: p. 43-44.
"Work done in cooperation with the Pennsylvania Bureau of Topographic and Geologic Survey."
Table of contents: title: pt. 1. Lithofacies.; title: pt. 2. Economic and engineering geology.