594 



COAL MEASURES OF MARYLAND 



3. The various formations are correlated and the relations of some of 

 the more important members considered. 



r. The results thus secured are summarized in a chapter on stratig- 

 raphy. 



5. Certain general conclusions are indicated. 



ExPLAXAiiox OF Plates 



Plate 14. — Section^s of Conemaugh Formation 



Section I. Meigs County. Oliio. based on section by Condit. 



Section II. Muskingum County, Ohio, based on section by Condit. 



Section III. Wheeling. West Virginia, based on section by I. C. White. 



Section IV, Pittsburgh, Pennsylvania, Swartz, generalized from drill rec- 

 ords and local sections by Raymond. 



Section V, Morgantown. West Virginia, based on section by I. C. White. 



Section VI, Preston County, West Virginia, based on sections by I. C. White, 

 Reger, and Hennen. 



Section VII. Freeport, Pennsylvania, Swartz and Bassler. 



Section VIII, Latrobe. Pennsylvania, based on sections by Campbell and 

 Raymond. 



Section IX. Section in Tpper Yonghiogheny Basin, Maryland. Swartz and 

 Price. 



Section X, Section in Upper Potomac Basin. Maryland, Swartz : measure 

 ment of upper 100 feet by D. B. Reger. 



Section XI, Somerset, Pennsylvania, based on work of G. B. Richardson. 



Section XII, Section of Castleman Basin, Maryland, Swartz and Price.^ 



Section XIII, Georges Creek Basin. Maryland. Swartz. 



Numerals refer to member: 

 * indicates fauna. 



R signifies red beds : Rv. variagated with red : 



^ The upper part of this section has been studied critically, in adjacent parts of Penn- 

 sylvania, by the senior author since this diagram was prepared. The results will be 

 published in a separate paper. 



