Title: Pre-Cambrian geology and mineral resources of the Delaware Water Gap and Easton quadrangles, New Jersey and Pennsylvania
First published: 1941
Subjects: Geology, Geology, Stratigraphic, Mines and mineral resources, Stratigraphic Geology
Places: Delaware Water Gap (N.J. and Pa.), New Jersey, Pennsylvania
Time periods: Precambrian
LC classification: QE75 .B9 no. 920