138 



some very recent water courses in evidence. Developments 

 so far have shown that, after this very superficial zone has 

 been penetrated, the character of the vein material has re- 

 mained the same as far as mining operations have continued. 



MINING AND MILLING. 



Detailed descriptions of the mining and milling oper- 

 ations in the Porcupine area are given in the Annual Report 

 of the Ontario Bureau of Mines, and in Mr. A. A. Cole's 

 Annual Report to the Temiskaming and Northern Ontario 

 Railwav Commission. 



