40 It. 





OAS. 

 302 It. 



400 ft. 



O 



o 



780 ft._ 

 Base of Clncissati Group. 830 ft. 



Base of TreatOB Group. 1325 ft. 



1365 ft. 



^■\ 



Sand, Gravel 

 and Water- 

 worn rocks. 40 ft. 



BLUE 



LIMESTONE 

 AND SHALE. 



3(x) ft. 



CIMCIMNATI 

 GROUP. 



KLUE SHALE. 



3S0 ft. 



DARK LIMESTONE. 



A hout 50 ft. 



WHITE LIMESTONE 

 WITH MAGNESIA. 



495 ft- 

 Darker Btlow. 



T2ENT0N 

 QEOUP. 



White Arnace- 

 ous Limestone. 



40 ft. 



I CALCIFEEOUS 

 i SA»DBOCS. 



BLUE LICK WATER. 



Section of strata penetrated by the Oxford, O., Gas and Oil Company's well. 



Prepared by Jos. F James, M. Sc. Professor of Geology and 



Botany in Miami University. 



