Paleotectonic investigations of the Pennsylvanian System in the United States / 
by Edwin D. McKee...[et al.] ; with contributions by John C. Ferm...[et al.]. 
 - Washington:   United States Government Printing Office,   1975.  
 - iv, 192 p. :  ill., maps ;  29 cm. 
 -  853 .
<br/><br/>Includes bibliographical references and index (p. 189-192). 
<br/><br/>pt. 2 interpretive summary and special features of the Pennsylvanian System. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology, Stratigraphic--Pennsylvanian<br/>Geology--United States
<br/><br/><label>Dewey Class. No.: </label>551.7520973