JAIPUE FIELD. 59 



it is perhaps not safe to calculate on a band more than 150 yards broad. 

 According to the above figures, then, we should have between Tipam 

 and Boruarchali (a distance of fifteen miles) 15 x 1,760 % 150 % 5 

 cubic yards of available coal in situ, containing about 20 million tons, 

 or say 10 million tons, of coal in a marketable state. Of course there 

 are possibilities, as indicated above, of a much larger supply than this 

 within these limits. Beyond them, there is the probable extension of 

 the field north-east of Tipam to be considered, and also, perhaps, that 

 south-west of Boruarchali at a sufiiciently small depth below the alluvium 

 level to admit of the coal being worked. 



r 327 ) 



