QIQ MINING INDFSTEY. 



The other estabHshment designed for concentration is situatea near the 

 town. The machinery intended for its use had not arrived upon the ground 

 when visited by the writer, but some experiments were in progress on a lim- 

 ited scale, which gave encouraging results. It was the purpose of this com- 

 pany to eifect the desired separation of gangue from ore by means of Krom's 

 dry concentrator, which involves in its action the same or nearly the same 

 principles as a wet jigging machine, but so contrived that air instead of 

 water is used as the medium in which the material is agitated and separated. 



The establishment was to be furnished with a drying furnace in which 

 the ores are first thoroughly dried ; a Dodge crusher with rollers to reduce 

 them to a suitable degree of fineness for the action of the concentrator; and 

 three of Krom's machines. 



Bullion Peoduct. — The following statement may nearly represent the 

 total production of the Georgetown district up to the middle of August, 

 1869: 



Coin value. 



Georgetown Smelting "Works' product estimated at $55, 000 



Mr. Huepeden's Amalgamation Works' product, under the former 



and present owners 100, 000 



Mr. Stewart's Works' product 45, 000 



Brown Mill product 45, 000 



100 tons of ore shipped from the Equator and Terrible mines, 



yielding 55,000 



300,000 



The above is believed to show the amount produced during the years 

 1867, 1868, and part of 1869. Previous to 1867 there were small lots of ore 

 and bullion produced, as the result of experimental operations, the total 

 amount of which would be of comparatively little importance. 



Judging from the operations of the three working establishments during 

 the first part of 1869 the production of the region for that year may be esti- 

 mated at something between $16,000 and $20,000, coin, per month. 



