CON T E NTS, 



Page. 



Letter of transmittal 9 



lutrodiiction ^ •. . 11 



Location , 11 



History of develoinnent 12 



Previous geologic work 13 



Scope of this report _ _ 14 



Physic )graphy .... 14 



General relations 14 



Topography . 15 



Karbers Ridge . 15 



Upland plain _ _ _ _ . 16 



River valleys 16 



Geology 17 



General statement 17 



Description of sedimentary formations 18 



Devonian rocks 18 



Ohio shale 18 



Character 18 



Thickness _ _ 19 



Distribution 19 



Name 19 



Carboniferous rocks . _ _ . . 19 



Tullahoma formation . _ 19 



Character 19 



Thickness 20 



Distx-ibution and relations 20 



Name and correlation 20 



St. Lotus limestone 20 



Character 20 



Thickness 20 



Distribution and relations 21 



Name and correlation 21 



Ste. Genevieve limestone 21 



Character and thickness 21 



Distribution 22 



Name and correlation 23 



Cypress sandstone 23 



Character and thickness 23 



Distribution and relations 23 



Name and correlation 23 



Tribune limestone 24 



Character and relations _ _ . 24 



Birdsville formation 24 



Character 24 



Thickness 25 



Distribution 25 



Name 25 



