Upper silurian and lower devonian stratigraphy of Northeastern Pennsylvania New Jersey, and southeasternmost New York / 
Anita G. Epstein...[et. al] 
 - Washington, D.C.  U.S. Geological Survey,  1967 
 - iv, 74 p. :  ill. ;  21 cm. 
 - Geological Survey Bulletin ;  1243 .
<br/><br/> A description and partial revision of the physical stratigraphy interpretations of depositional environments 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology, Stratigraphic<br/>Earth--Age
<br/><br/><label>Dewey Class. No.: </label>551.70974