458 CARBONIFEROUS ROCKS IN CUMB. CO. LOGAN & FLETCHER. 



Ft. In. 



Red and green sandstone 12 



Reddish and greenish argillaceous shale, loaded with 



ironstone balls, and having bands of sandstone .... 10 



Reddish and greenish sandstone 10 



Red and green argillaceous shale, loaded with ironsione 



nodules 10 



Red and green sandstone 5 



Greenish gray argillaceous shale 15 



Greenish gray sandstone 2 



"(From the succeeding bed there starts an upright sig'il- 



laria 4 inches in diameter ; it is planted 2 feet in it, 



penetrates the sandstone above, being 4 feet in length 



altogether. ) 



Greenish gray argillaceous shale 6 



33. C arhonaceons shale 1 



Coal 1 



1 1 



Grenish gray argillaceous shale, with stigmarice leaves 



{underday) 4 



Red and gray sandstone, with arenacous shale 7 



Red argillaceous shale, with a band of sandstone 4 



Red sandstone, with bands of red arenaceous shale. ... 10 



Red and green argillaceous shale 20 



Reddish sandstone 1 



Red and green argillaceous shale 3 



Reddish sandstone in uneven layers, with reddish bands 



of arenaceous shale IS 



Red and green argillaceous shale 18 



Reddish sandstone 2 



Red arenaceous shale 3 



Red and green argillaceous shale 4 



Reddish sandstone 1 



Red and green arenaceous shale 4 



Reddish sandstone 1 



