Pennsylvania and the ice age
By: by W. D. Sevon and Gary M. Fleeger
Contributors: Fleeger, Gary M.
Edition: 2nd ed.
Series: Educational series -- 6; Educational series (Pennsylvania. Bureau of Topographic and Geologic Survey) -- 6.
Publisher: Pennsylvania Geological Survey
Published: 1999
Place of publication: Harrisburg
Language: eng
Number of pages: 30
Subjects: Glacial epoch -- Pennsylvania.; Geology, Stratigraphic -- Pleistocene.
Notes: "Fourth series."

Includes bibliographical references (p. 29-30).