Pre-Cambrian geology and mineral resources of the Delaware Water Gap and Easton quadrangles, New Jersey and Pennsylvania,
Bayley, William Shirley, 1861-1943.
Pre-Cambrian geology and mineral resources of the Delaware Water Gap and Easton quadrangles, New Jersey and Pennsylvania, by W. S. Bayley. - Washington, U.S. Gov't. Print. Off., 1941. - v, 98 p. illus. (incl. maps) 5 pl. (incl. fold. map, fold. diagr.) 23 cm. - U. S. Geological Survey. Bulletin 920 .
At head of title: United States Department of the Interior ... Geological Survey ... Folded map in pocket.
Bibliographical foot-notes.
gs 41000035
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.)
QE75 / .B9 no. 920
553.09748 557.3
Pre-Cambrian geology and mineral resources of the Delaware Water Gap and Easton quadrangles, New Jersey and Pennsylvania, by W. S. Bayley. - Washington, U.S. Gov't. Print. Off., 1941. - v, 98 p. illus. (incl. maps) 5 pl. (incl. fold. map, fold. diagr.) 23 cm. - U. S. Geological Survey. Bulletin 920 .
At head of title: United States Department of the Interior ... Geological Survey ... Folded map in pocket.
Bibliographical foot-notes.
gs 41000035
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.)
QE75 / .B9 no. 920
553.09748 557.3