372 
THE GEOLOGIST. 
Surface 
Mineral as Worked in No. 9 Pit. 
Sandstone 
Blais, or TiU 
Ironstone 
Coal (ColinsMeds) 
Sandstone (Ochre red) 
iiiiiiiiiiiiiiiiilMiil 
Dark fakes 
Fire-clay 
Coal (Main) 
Sandy fakes 
Black blais 
Grey fakes 
Sandstone 
Fire-clay 
Coal 
Fire-clay 
qn Black fakes 
Coal (Colinbum) 
a, Sandy fakes 
6, Fire-clay I 
c. Cement [ For enlarged de- 
d. Mineral (Torb^ehJl) k .^^ g^g^j^^ ^ 
e. Ironstone and fire-clay | 
/, Coal I 
g. Black shale J 
