98 On the Geology of Northumberland and Durham. 



Brought forward 



Thill 



Gray metal stone 



Post mixed with whin 



Gray metal with thin post girdles 



White post 



Black stone 



Coal *] 



Brown slaty band I Six quarter coal 



Coal 

 Splint... 



Thill 

 Post 



Blue metal 

 Coal ... 

 Splint ... 

 Coal ... 



:::! 



0ft. 9m 



10 



1 3i 

 5i 



Five quarter coal 



1 10| 

 3 

 11 



Thill 



Strong gray metal stone 



Strong gray post mixed with whin 



Blue stone 



Coal 



Thill 



Blue stone 



Post girdles mixed with metal 



Black stone 



Thin post girdles mixed with metal 



Blue stone 



Post girdles 



Blue stone 



Post girdle 



Blue stone 



Thin post girdles separated by metal partings 



Gray post mixed with whin 



Blue stone 



Strong white post 



Blue metal stone 



Coarse and brassy coal ..."1 



Splint coal I Low 



CW(fine) J coal 



Bottom coal (not so fine) J 



Fath. Ft. In. 



mam 



u 



9 



Slaty black stone 



Strong gray post 



Gray metal with thin girdles 



Strong gray post 



Black stone 



Thill 



Blue metal stone 



Total depth sunk 139 4 



1 



2 9 



3 3| 



6 



1 6 

 4 5 



3 0| 



1 2 

 4 2 

 3 7 



2 2 

 2 



10 



2 



10 

 3 4 



Fath.Ft. In. 

 118 3 11| 



5 2 



10 



1 5 

 1 3 

 5 10 



5 



1 9 

 3 



4 10$ 



3 3 5* 



5 3 



7 2 



3 2 6 



