Pre-Cambrian geology and mineral resources of the Delaware Water Gap and Easton quadrangles, New Jersey and Pennsylvania
By: by W. S. Bayley.
Series: U. S. Geological Survey.  Bulletin 920
Publisher: U.S. Gov't. Print. Off.
Published: 1941
Place of publication: Washington
Language: eng
Number of pages: 98
Subjects: Geology -- New Jersey.; Geology -- Pennsylvania.; Mines and mineral resources -- New Jersey.; Mines and mineral resources -- Pennsylvania.; Geology, Stratigraphic -- Precambrian.; Delaware Water Gap (N.J. and Pa.)
Notes: Bibliographical foot-notes.
At head of title: United States Department of the Interior ... Geological Survey ...
Folded map in pocket.