E. C. Case — Amphibian Fauna in Linton, Ohio. 129 



a small area in central Columbiana, but for the most part it is 

 worthless."* 



" The Freeport coals both thin. . . . Eastward the Upper 

 Freeport is important, it can be followed from Yellow Creek 

 in Columbiana County somewhat decreased in thickness, but 

 in the southern part of the county is often 4 feet 6 inches and 

 yields good coal. The chief drawback is the frequency with 

 which it is cut out by the overlying sandstone. . . . The Lower 

 Freeport is persistent, usually too thin to be utilized. It is 

 rarely more than thirty feet below the upper."! 



In Carroll County, Ohio, the following section has been 

 given \X 



Ft. 



Upper Freeport Coal 2 



Shale, sandstone, and conglomerate , _ _ _ 40 



Lower Freeport sandstone, massive _. 30 



Concealed . 50 



Coal, Middle Kittanning 3 



Fire clay 3 



Slate 15 



Coal _ 1 



Slate - - 22 



Near Sherodsville in Carroll County. 



Ft. 



Upper Freeport Coal _. 4 



Fireclay _... 6 



Limestone 1 



Concealed ,. 40 



Black shale .._ ._ _ 2 



Lower Freeport Coal 3 



Fire clay and modular iron ore 12 



Newberry's generalized section for Stark County. 



Ft. 



Coal, 1 (Upper Freeport) 1 to 3 



Fire clay 1 



Shale and sandstone with thin coal near the 



middle§ 75 to 110 



Coal, 6 (Middle Kittanning)... ._. 2 to 6 



*Stevenson. J. J., Bull. Geol. Soc. Amer., vol. xvii, p. HI, 1907. 



flbid., p. 113. 



X Geol. Survey, Ohio, vol. v, p. 74. 



§ Includes Lower Freeport " a mere blossom." 



