The Shawangunk Formation (Upper Ordovician(?) to Middle Silurian) in eastern Pennsylvania
By: by Jack B. Epstein and Anita G. Epstein.
Contributors: Epstein, Anita G., 1937- joint author.; Pennsylvania. Bureau of Topographic and Geologic Survey.
Series: Geological Survey professional paper 744; Geological Survey professional paper ;; 744.
Publisher: U.S. Govt. Print. Off.
Published: 1972
Place of publication: Washington
Language: eng
Number of pages: 45
Subjects: Geology, Stratigraphic -- Silurian.; Geology, Stratigraphic -- Ordovician.; Geology -- Pennsylvania.
Notes: Bibliography: p. 42-45.
"Work done in cooperation with the Pennsylvania Department of Environmental Resources, Bureau of Topographic and Geological Survey."