454 CARBOXIFEROUS ROCKS IX CUMB. CO. LOGAN & FLETCHER. 



Ft. In. 



Greenish gray sandstone, with shale dividing the beds ; 

 in the lower part is an upright calamite which springs 



from the succeeding bed 4 



Gray argillaceous and arenaceous shale, witht ironstone 



balls and a few beds of sandstone 14 



Greenish gray sandstone in 3 beds, divided by argillo- 



arenaceous shale 12 



Gray argillaceous shale 3 



Gray argillaceous shale, with ironstone balls and one 



course of sandstone 13 



Greenish gray sasdstone 4 



Gray argillaceous shale, with ironstone nodules 3 



28. Bituminous limestone and carbonaceous 

 shale in alternate layers of 1 to 3 inches, with 



plants^ shells and fish scales 6 



Coal and carbonaceous shale — not 



much coal 3 



Coal and carbonaceous shale — a good 



deal of coal 4 



■ 7 



Gray argillo-arenaceous shale, with stigmarice 



iunderclay) 4 



Carbonaceous shale 1 



Coal 6 



1 6 



18 6 



Gray rough sandstone, with stigmarice leaves (under- 

 day) 3 



Greenish gray argillaceous shale, with ironstone balls. 6 



Gray sandstone 6 



Greenish gray argillaceous shale with nodules of iron- 



stone disseminated through it 7 



Gray argillo-arenaceous shale, with ironstone balls and 



small seams of coal 7 



