THE PICTOU COAL FIELD — POOLE. 301 



from the Main seam clown to within 60 feet of the Fraser oil 

 coal. 



In abstract it is as follows : — 



Ft. In. 



Main seam 37 



Strata 128 8 



Deep seam 35 1 



Strata 62 6 



Third seam 23 6 



Strata 27 



Purves seam 2 



Strata 77 6 



Coal 6 



Strata 67 6 



McGregor seam 25 



Strata (No. 80) 72 7 



Coal 10 4 



Strata 21 6 



Black ring 3 



This section gives a total thickness of 593 ft. 8 in. which is 

 less than the correct thickness of the measures exposed on Coal 

 brook. The Survey report showing for the same ground a thick- 

 ness of 759 feet 6 inches. 



At only half a mile to the west of the brook a modification of 

 part of this section was obtained in sinking the present 

 McGregor pit where the dip of the strata is 20*^. 



The sinking record is as follows : — 



Ft. In. 



Crop of the Third seam 5 



Sandstone 10 



Fireclay , 4 



Shale 3 



Coal 1 7 



Shale 14 3 



Coal 4 



Black shale 4 8 



