WEST RAGGED REEB^ TO MIX'JDIE (4^. — LOGAN. 461 



Ft. In. 



36, BJach bituminous limestone, with branches 

 and leaves of stigmariw well marked and verj' 



minute shells 1 3 



Carbonaceous shale and streaks of coal .... 03 



1 6 



Eed argillaceons shale, with ironstone (underclay?) . . 4 

 Gray argillo-arenaceous shale, with stigmarice and 



ironstone balls (underclay) 6 



Gray argillaceons shale, with ironstone balls 5 



Gray arenax^eous shale 2 



Gray argillaceous shale 5 



37. Darh bituminous limestone, with shells 

 replaced by pyrites 3 



Coal and carbonaceous shale 10 



Gray argillaceous shale, stigmarice (under- 

 clay) 1 6 



Coal 6 



Gray argillaceous shale, with stigmarice 



(underclay) 1 



Varh bituminous limestone, with stigmarice 



branches and leaves, and also shells 3 



Gray argillaceous shale 3 



Coal 1 



5 7 



Gray argillaceous shale of a crumljly character, with 



ironstone balls and stigmarice (underclay) 6 



Greenish gray rough sandstone 4 



Dark gray argillaceous shale, with ironstone balls 7 



Greenish gray sandstone 1 



Red argillaceous shale 4 



Greenish gray sandstone 2 



Eed argillaceous shale, with ironstone balls 8 



Red and green sandstone, with bands of red argillaceous 



shale under 8 inches thick 6 



