TY  - BOOK
AU  - Epstein,Jack Burton
AU  - Epstein,Anita G.
ED  - United States
TI  - The Shawangunk Formation (Upper Ordovician(?) to Middle Silurian) in eastern Pennsylvania
U1  - 551 
PY  - 1972///.
CY  - Washington: 
PB  - United States Government Printing Office, 
KW  - Geological survey
KW  - United States
KW  - Pennsylvania
N1  - Includes bibliographical references (p. 42-45)
N2  - Work done in cooperation with the Pennsylvania Department of Environmental Resources, Bureau of Topographic and Geological Survey; Stratigraphy, petrography, sedimentology, and a discussion of the age of a lower Paleozoic fluvial and transitional marine clastic sequence in eastern Pennsylvania
ER  -