Northumberland and Durham. 



37 



The four workable Seams of the preceding Section are, Benwell main, Beaumont seam, 

 Low main, Low Low main. 



Seams of Coal at West Denton or Baker's main. 



Beaumont Seam 



at 30 fathoms . . 3 



3 



Low Main 



49 2 10 



Low Low Main 



60 . . 2 



11 



Strata sunk through in the P Pit Wall's-end Colliei 





Fs. Ft. In. 



Fs. Ft. In. 



Strong clay with tumblers 



. 8 4 — 



Brought forward 64 3 4 



Brown post . . 



2 1 — 



Thil - 2 — 



Soft Metal stone 



. 4 



Grey Metal stone 



i i — 



White post 



. — 1 — 



Grey post . . 



— 5 — 



Metal stone 



5 



Black stone . 



— 3 8 



Grey post 



. 2 1 — 



Coal 



4 



Metal stone 



1 1 4 



Thil 



— 2 6 



Whin 



. 8 



Grey Metal stone 



— 2 6 



White post 



. 9 1 6 



Grey post 



— 1 6 



Ditto and grey post 



. 5 



White post 



— 4 6 



Black stone 



. — 4 — 



Black stone 



— 1 8 



Coal . . 



. 8 



Coal 



11 



Thil 



. — 2 — 



Thil 



— 2 — 



Grey post 



. — 46 



Grey Metal stone . 



4 1 — 



White post 



— 1 6 



Coal (A) 



3 



Whin 



— 1 8 



Grey Metal stone 



2—9 



Grey post 



1 1 — 



Grey post . . 



(2—9 



Blue Metal stone 



— 3 6 



White post . . * 



I 4 4 3 



Grey post . 



2—6 



Blue stone . . . 



(-- 6 



Blue Metal stone 



2—8 



Grey post 



— 3 — 



Grey post . 



1 



Black stone 



— 1 — 



Whin 



— 2 4 



Grey post 



— 56 



White post 



2 3 2 



Blue Metal stone 



— 1 8 



Black stone . • . 



— 2 — 



Black stone 



— 1 4 



Coal .... 



2 



Grey post 



1 3 — 



Grey Thil 



2 1 4 



Black stone + ... 



3 4 — 



Grey post 



— 5 — 



Coal .... 



3 



Whin 



— 2 — 



Grey Thil 



— 1 8 



White post . - . 



6 



White post 



fil = 



Whin 



— 2 3 



Whin (very irregular) 



White post 



6 5 9 



White post . +. 



<; 3 



Coal .... 



8 



Whin (very irregular) 



— 4 6 



Grey Thil . . 



— 1 8 



White post 



— 3 — 



Grey post .... 



— 5 — 



Grey post Avith scares . . 



_ 3 



Blue Metal stone 



1 2 — 



Grey Metal stone 



— 57 



Coal .... 



— 1 2 



Main Coal Seam (B) § 



1 1 — I 



Thil .... 



— 3 — 



Outset of the Pit 



— 3 — 



Coal 



10 





. 





Total 103 2 1U 







Carried forwarc 



64 3 4 







« Commonly called the 70 fathom Post. f Black Stone. i Main Post. 



§ In the middle of the Main Coal seam is a band of 2£ inches thick. This band lies only in a particular 

 tract of the mine. 



