440 CARBONIFEROUS ROCKS IN CUMB. CO. — LOGAN & FLETCHER. 



4 



Ft. In. 



1. Bituminous, limestone, with shells and fisli 



scales 4 



Coal 1 



5 



Greenish gray argillo-arenaceoiis shale, with stigmarice 



ficoides {underday) 4 



Gray sandstone, in courses of six and nine inches, with 



ironstone balls and stigmarice ficoides (understone) . 2 6 



Gray argillaceous shale 1 



Gray sandstone 6 



Gray argillaceous shale 1 



Gray sandstone of a rough texture 1 



(From the succeeding bed springs an upright stem 

 (sigillaria) . It widens towards the bottom, and pen- 

 etrates into the sandstone above.) 



Gray argillaceous shale, with ironstone balls 6 



Gray sandstone and arenaceous shale 5 



Gray arenaoe'ous shale 2 



Hard gray arenaceous shale, with stigmariw ficoides 



{underclay) 1 6 



Gray argillaceous shale 20 



2. Coal and Carhonaceous shale 1 



Soft gray argillo-arenaceous shale, with stigmarice 



ficoides (underclay) 1 



Hard gray arenaceous shale, Avith stigmarice ficoides 



(underclay) 2 



Gray argillaceous shale 1 



3. Coal and Carhonaceous shale 3 



Hard argillo-arenaceous shale, with stigmarice ficoides 



{iinderclay) 2 



Gray argillaceous shale 4 



