GEOLOGY OF EASTERN OHIO. 



597 



GEOLOGICAL PROFILE OF THE STRATA FROM CLEVELAND TO THE OHIO RIVER ALONG THE 

 PITTSBURG R. R., 100 MILES S. EAST; THENCE TO WHEELING 35 MILES SOUTH — SCALE SEVEN 

 MILES TO THE INCH. LAKE LEVEL 564 FEET ABOVE TIDE WATER MARK. 



3^; 



Hamilton and Marcellus Shales 



Chemung and Portage Groups. 



Conglomerate. 



(A break in the series here.) 



(Strata not regular here.) 



Coal Series 



Pittsburg Seam. 



IS 



^| Lime rock. 



Workable Coal Seams. 



Numbers 1 to 4 refer to coal seams. 



