94? 



Mr. N. J. Winch's Contributions to the 



Brought forward 



Post with water 



Coal 



Blue metal 



Coal 



Post and water ..* 



Blue metal 



Strong coal 



Thill stone 



Post, commonly called the 70-fathom post ... 



Blue metal 



Post girdles 



Blue metal , 



Post with metal partings 



Black stone 



Gray metal 



Main post 



Coal , 



Band 



Coal 



Band 



Coal , 



•High main coal... 



Blue metal stone 



Hard post 



Bored 



Hard post 



Coal 



Thill stone 



An Account of the Strata passed through in sinkin 

 ' High Heworth, 21st of July 1821. 



Soil 



Strong brown clay 



Brown post 



White flaggy post , 



Light-brown freestone post , 



"White flaggy post , 



Brown post , 



Cashey metal 



Coal 



Thill 



Blue metal mixed with post girdles 



Coal 



Carried forward ... 



the Pit at 



4 



10 



