TY  - BOOK
TI  - Upper Silurian and Lower Devonian stratigraphy of northeastern Pennsylvania, New Jersey, and southeasternmost New York,
T2  - Geological Survey bulletin 1243
AV  - QE75 .B9 no. 1243
U1  - 551.7320974 
PY  - 1967///
CY  - Washington
PB  - U.S. Govt. Print. Off.
KW  - Geology, Stratigraphic
KW  - Silurian
KW  - Devonian
KW  - Geology
KW  - Pennsylvania
KW  - New Jersey
KW  - New York (State)
N1  - Bibliography: p. 72-74
ER  -