154 



GEOLOGY OF OHIO. 



pure enough to make an excellent coke. Prof. Andrews regards the 

 Ferriferous limestone, with its coal, as representing, in Jackson, Gallia 

 and Lawrence counties, the horizon of the Nelsonville seam, and recog- 

 nizes the "Alexander" and "Bayley's Run" coal in the "Sheridan" coal, 

 which lies seventy or eighty feet above. If this identification is correct, 

 the "Newcastle" coal, which is the first seam above the Ferriferous lime- 

 stone, and from twenty to thirty feet above it, holds about the position 

 of the "Norris" coal of Perry county, and may be identical with it. 



Analyses of Coal No. 7. 



1. Joy and Burnett, New Palestine, Columbiana county. 



2. Saline ville Strip vein, Salineville, " 



3. New Cumberland coal, Elliotsville, Jefferson county. 



4. Taylor's coal, Holmes county. 



5. Jacob Buckstone's coal, Mechanicstown, Carroll county. 



6. Cambridge coal, Guernsey county. 



7. E. D. Nyce, Center township, Guernsey county. 



8. Alexander coal, Perry township, Muskingum county. 



9. Bayley's Run coal, Trimble township, Athens county. 

 10. Sheridan coal. 



