Glacial geology of northwestern Pennsylvania
By: by V. C. Shepps [and others.
Series: Pennsylvania. Bureau of Topographic and Geologic Survey. Bulletin G32; Bulletin G,; 32.
Publisher: Dept. of Internal Affairs, Topographic and Geologic Survey
Published: 1959
Place of publication: Harrisburg]
Language: eng
Number of pages: 59
Subjects: Glacial epoch -- Pennsylvania.
Notes: Bibliography: p. 55-59.
At head of title: Pennsylvania Geological Survey, Fourth series.