Recent geological history of the Delaware Valley below the Water Gap
By: by Freeman Ward.
Series: Bulletin G ;; 10
Publisher: Dept. of Internal Affairs, Topographic and Geologic Survey
Published: 1938
Place of publication: Harrisburg, Pa
Language: eng
Number of pages: 76
Subjects: Geology -- Pennsylvania.; Geology -- Delaware River Valley (N.Y.-Del. and N.J.)
Other titles: Delaware Valley below the Water Gap, Recent geological history of the.
Notes: Includes bibliographical references.