492 MINING INDUSTEY. 



ing 20 per cent., according to the best informed. Further, the product of 

 the Boston and Colorado Smelting Works (Professor Hill's), of which an 

 estimate is given on a following page ; and finally 100 tons of rich ore from 

 the Equator and Terrible mines at Georgetown. 

 These items may be summed up as follows : 



Shipments from Denver office, 24 months, $200,000, currency, 



per month, $4,800,000, or coin - $3,600,000 



Through shipments, not included in foregoing, from Central 



City, 24 months, $900,000 currency, or, in coin 675, 000 



Shipment of bullion from Georgetown, two years 300, 000 



Allowance on above for undervaluation and for private hands 1, 300, 000 

 Boston and Colorado Smelting Works' product to January 1, 



1870 570,000 



100 tons ore from Equator and Terrible mines 55, 000 



6, 500, 000 



Making a total, for the two years, of $6,500,000, coin value, something 

 more than one-half of which is to be credited to 1869. 



