A TOUR ROUND NORTH WALES. 235 



that while the miners are going on with 

 one kind of work, they are going on 

 with another, while for inftance, as he 

 fays, the miners are boring, they are 

 blafting, the former certainly cannot be 

 true, and the blafting entirely puts the 

 latter conjeclure out of the queftion, for 

 the droppings of water could never 

 produce any efFecl of that kind. As I 

 am only acquainted with the fubje6l 

 from report, I am under the n<jceflity 

 of leaving the elucidation of thefe ex- 

 traordinary fa<5ls, to fome who have 

 better opportunities of enquiring into 

 them. I have only to exprefs a hope 

 that the fubjecT: will not be neglecled, 

 and that thofe who refide in any neigh- 

 bourhood where they are heard, will 

 enquire into them carefully, and if pof- 

 (ible, give to the world a more accurate 

 account of them, than the prefent. 



As 



