156 



MINING INDXJSTElT. 



Statement of Mining Costs, including notJiing for Milling} of the Chollar-Potosi mine during the yeay ending 



May 31, 1869. 



Tons of ore produced, 44,900. 



Extracting ore. 



Sums. 



Per ton. 



New shaft and prospect- 

 ing work. 



Sums. 



Per ton. 



Wages 



Miscellaneous supplies 



Timber 



Iron and steel . . . 



Coal 



Candles 



Oils and tallow . 



Wood • 



Water 



$147,859 19 

 5.349 02 

 34>4i8 39 

 1,035 68 

 1,080 00 

 3,416 92 



29 

 12 



'^■yz 



V/z 



^68,261 25 



9. on 33 

 9.557 38 

 2,391 52 

 2,227 83 

 1.320 55 

 1. 839 34 

 22,675 75 

 2, 590 00 



193,159 20 



b\ 30 



119, 874 95 



^2 67 



Statement, &c., continued. 



Sums. 



Per ton. 



Extracting ore, as per foregoing 

 New shaft, as per foregoing 

 Dead work in old mine . . . 

 Machinery and repairs ... 



Freight 



Legal . . . i . . * . 

 Surveying ....... 



Stable 



Taxes 



Exchange . 



Office and house expenses . . 

 Assaying ....... 



Sundries 



S193.159 20 



119,874 92 



2,668 50 



10, 122 04 



6,962 18 



3.976 25 



360 00 



2,358 34 



5.902 65 



I, 731 88 



I. 253 64 



3,768 22 



4.783 93 



$4 30 

 2 67 

 06 

 22.5 



15-5 



09 



00.7 



05 



13 



04 



03 

 08 

 10.5 



356,921 75 



7 94 



'Milling costs, per ton 

 Add mining costs - - 



Total cost ------ 



Average yield of ore - - 



Average profit - - - - - 



3i8.i5 per cent, of yield of ore. 



$13 15 



7 94 



21 



09 



23 

 2 



70 

 61 



