612 



MINING INDUSTEY. 



of this operation do not diiFer essentially from those observed in Mr. Ball's 

 mill at Washoe, Nevada, already described. Much of the ore treated at this 

 establishment is worked for the stipulated price of $60, currency, per ton, 

 the mill guaranteeing a return of 80 per cent, of the assay value. Some- 

 times the ores are purchased from the producer at rates v^hich do not differ 

 much in their net result from the foregoing. 



The average yield of all ores worked is little over $100, coin, per ton, 

 as will appear from statements following. This is about 80 per cent, of the 

 average assay value. The following figures, furnished by Mr. Huepeden 

 from the books of the establishment, show the average run of ores from 

 several different lodes: 



Name. 



Equator . 

 Equator . 

 Lilly - . 

 Lilly . . 

 Aster - . 

 Magnet - 

 Baker - 

 McClellan 

 Killwinning 

 Terrible - 



Tons. 



"3 



i68 



35 

 9 



28 

 6 



24 



57 



2 



7 



Worked in- 



i868 

 1869 

 1868 

 i86g 

 1868 

 1868 

 1868 

 1869 

 1869 

 1869 



Assay value in 

 coin per ton. 



^150 26 

 146 GO 

 159 04 

 145 Ob 

 165 16 

 276 70 

 56 89 



80 GO 



174 00 



272 70 



Mr. Huepeden, the present proprietor of this establishment, commenced 

 operations about the first of May, 1868. The following is his statement of 

 the production of the works from that date to August 15, 1869 



From May 1, 1868, to December 31, 1868, worked 362 tons of 



ore, yielding, in coin - - ^ ^ ^ $37, 465 75 



January 1, 1869, to August 15, 1869, worked 352 tons of ore, 



yielding, in coin - ^40, 419 31 



Total number of tons of ore 714, yielding, in coin 77,885 06 



^ Sapplementary statements show that the total production of these works in 1869 

 was $71,143 50, coin, or about $6,000 per month. 



