WEST RAGGED REEF TO MINUDIE (4). — LOGAN. 453 



Ft. In. 



24. Bituminous limestone, with shells and cone 



in cons 1 



Coal and carbonaceous shale 1 



1 1 



Gray argillo-arenaceous shale, with stigmarice ficoides 



(^underclay) 2 



Gray arginaceous shale 3 



25. Coal and carbonaceous shale 8 



Gray argillaceous shale, with stigmarice (underclay) . 2 

 Greenish gray sandstone, with stigmarice leaves {under- 

 day) 6 



Greenish gray sandstone 9 



Greenish gray sandstone and shale 4 



Gray argillaceous shale, with ironstone balls 2 



Greenish gray sandstone, with some beds of arenaceous 



shale 20 



Gray argillaceous shale 2 



Greenish gray sandstone 35 



Gray argillaceous shale 10 



Gray sandstone 1 



(From the succeeding bed springs an upright sigillaria 



1 foot 6 inches in diameter; it penetrates through 



the sandstone.) 



Gray argillaceous shale 2 



Greenish gray sandstone 10 



Gray argillaceous shale 2 



26. Carbonaceous shale 4 



Gray argillaceous shale, with stigmarice (underclay) . . 3 

 Gray crumbly sandstone, being probably argillaceous ; 



it contains stigmarice leaves (underclay) 8 



Gray argillaceous shale 2 



27. Coal 3 



Gray argillo-arenaceous shale, with stigmarice leaves 



(underclay) 5 



