SECTION N.W. AND S.! 
showing structure « 
a 
SSS 
N 
% 
a 
Ce 
: = SS = 
Jones’ Valley 
Opossum Valley 
Coal Measures 
Oxmoor Sandstone and Shales | Pee ee eee 
Fossiliferous Chert (fort Payne) | 
Black Shale_ Devonian 
Red Mountain Clinton 
Trenton Limestone 
Chert Ridges \ 
Red Lands 
Knox Dolomite 
Coosa Valley or Flatwoods shaly limestones — Cambrian 
