136 



KANSAS UNIVERSITY SCIENCE BULLETIN. 



Tbetiaey. 



QOAETEEMASTEE 

 30U'. 



Coarse sandstoDe and 

 shale. 



Gregb, 275'. 



WOODWAED, 425' 



Blaine, 100' 



Mangam (dolomite). 

 Collingsworth (gypsum). 

 Cedartop (gypsum). 

 Haystack (gypsum). 

 Kiser (gypsum). 



Chaney (gypsum). 



Day Creek (dolomite). 



Whitehorse (sandstone). 



Dog Creek shales. 



'Shimer (gypsum). iSicE 



Medicine Lodge (gypsum) f =^^= 

 Ferguson (gypsum). j 



Enid, 1500' 



Fig. 1.— General section of the rocks of Oklahoma. Redrawn after Gould. 



