The lower Pennsylvanian unconformity in the central Appalachian basin /

Bibliographic Details
Corporate Author:	Geological Survey (U.S.)
Other Authors:	Thomas, Roger E., Englund, Kenneth John, 1923-
Format:	Government Document Map
Language:	English
Published:	Reston, VA : The Survey ; 1999.
Series:	Geologic investigations series ; I-2597.
Subjects:	Geology, Structural > Appalachian Basin > Maps.

Evans: Maps File (2nd floor)