BULLETIN OF THE GEOLOGICAL SOCIETY OF AMERICA 

 Vol. 18, pp. 29-178 April 9, i907 



CAEBOKIPEEOUS OF THE APPALACHIAN BASIN * 



BY JOHN J. STEVENSON 



(Presented by title before the Society, December 29, 1906) 



CONTENTS 



Page 



Monongahela formation 30 



Correlation 30 



East from the Alleghenies 45 



Broad Top 45 



Maryland 45 



. West from the Allegheny mountains, in Pennsylvania 47 



The First and Second bituminous basins 47 



The Blairsville-Connellsville basin 50 



The Greensburg basin 54 



The Lisbon-Irwin basin 54 



The Waynesburg basin '. 58 



The western basins in Pennsylvania 60 



The northern panhandle of West Virginia , 64 



Ohio 66 



West Virginia • 81 



The Duhliard formation 95 



Correlation 95 



East from the Alleghenies 112 



East from Monongahela river, in Pennsylvania 113 



West from Monongahela river, in Pennsylvania , 115 



The northern panhandle of West Virginia ■. 129 



Ohio 131 



West Virginia i 138 



Geographical changes during the Pennsylvanian 142 



Notes on the Paleontology of the Pennsylvanian 164 



The fauna 164 



The flora 168 



Table of formations 178 



* The earlier papers of this series, now closed, are in this Bulletin, volume 14, pages 

 15-96 ; volume 15, pages 37-210 ; volume 17, pages 65-228. The writer desires to ac- 

 knowledge his obligations to Doctor I. C. White and Mr David White, who throughout 

 the whole period of his study have been unreserved in giving infoi-mation and criticism. 



At the same time it must be understood that these observers are committed in no wise 

 to conclusions offered by the writer. 



Manuscript received by the Secretary of the Society January 5, 1907. 

 IV — Bull. Geol. Soc. Am., Vol. 18, 1906 (29) 



