THE COMSTOCK MmES. 



153 



Tons of ore produced - 



Year ending July i, 

 1867. 



70,721 



Amount. 



Costofo65cials - - - - - 

 Extracting ore - - - - - 

 Prospecting and dead work 

 Accessory work - - - - 

 Improvements - - - - - 



Total costs of mining - 



INCIDENTAL. 



$23,700 33 

 195,380 18 



69. 154 39 

 88,836 IS 



94, 120 27 



Assaying ore - 

 Assaying bullion 

 Surveying - - 

 Office expenses 

 Exchange - - 

 Horse-keeping - 

 Legal expenses 

 Taxes - - - - 

 Sundries - - - 



Cost of production 

 Cost of reduction 



Average yield of all ore reduc 

 Average profit per ton - - 



471,191 32 



5,096 50 



15,244 52 



i>8o7 75 



31369 64 



7,128 IS 



2,062 65 



21,856 98 



20,937 52 



10,886 49 



559,581 52 

 974>433 23 



I1 534, 014 75 



ed 



cu 



$0 33 

 2 77 



I 33 



6 66 



07 

 22 

 02 



05 

 11 



03 



31 

 29 



7 91 

 14 04 



21 95 



41 94 

 19 99 



Year ending July i. 



87,342 



Amount. 



$24,575 00 

 235,817 03 



69,475 88 

 149,607 57 



49,361 59 



528,837 07 



7,548 25 



23,551 93 



2,330 00 



1,837 77 

 7,532 58 

 2,354 50 

 7, 817 00 

 40,342 61 

 7,768 78 



629, 920 49 

 I, 162,957 08 



1,792,877 57 



P^ 



$0 28 

 2 70 



79 

 I 71 



57 



6 05 



09 

 26 

 03 



09 



03 

 09 

 46 

 09 



7 21 

 13 74 



20 95 



40 84 

 19 89 



Year ending July t, 18 



53,954 



Labor - 

 Materials 

 Labor - 

 Materials 

 Labor - 

 Materials 

 Labor - 

 Materials 



J Labor - 

 I Materials 



Amount. 



$22, 123 83 



153,675 75 

 53,406 61 

 34,838 00 



23,394 31 



79,398 62 



50,914 86 



7,105 50 



9, 426 00 



297,141 70 

 137,141 78 



3,528 19 

 8,740 82 

 1,850 00 

 1,157 60 

 3,254 70 

 2,843 15 

 2, 200 00 

 19,486 73 

 3,017 19 



480,361 86 

 678,088 52 



1,158,450 38 



$2 85 

 99 

 65 

 43 

 I 47 

 95 

 13 

 17 



5 51 

 2 54 



$0 41 



3 84 



1 08 



2 42 

 30 



8 05 



07 

 17 

 03 

 02 

 06 

 05 

 04 

 36 

 OS 



8 90 

 12 22 



34 87 

 13 75 



The Hale and Norcross Mining Company's report for the year ending 

 March, 1867, furnishes the foUomng statement of costs of mining 29,401 

 tons of ore : 



Per ton. 



Managerial cost $0 31.7 



Hoisting power 2 38.7 



Mining cost 4 79.0 



Improvement cost 65.9 



Relative expense, (weighing, samphng, and contingent) 92.9 



9 08.2 



20 



