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:
Description
Item Description:Relief shown by spot heights.
Cartographic material.
Physical Description:1 map : color ; 89 x 125 cm., on sheet 104 x 147 cm., folded in envelope 30 x 24 cm.
Bibliography:Includes text, bibliographical references, 1 location map, 2 cross sections and 1 chart.
ISBN:060792604X
9780607926040