638 



GEOLOGY AND MINING INDUSTRY OF LEADVILLE. 



in. FUELS. 



1. Charcoal, iu bushels. 



2. Charcoal, in tons. 



3. Coke, in tons. 



4. Proportion of charcoal to coke at each smelter. 



5. Pine wood, for boilers, in cords. 



6. Average weight of cord of pine wood used. 



7. Cost of charcoal per bushel. 



8. Average price of charcoal per ton. 



9. Cost of coke per ton. 



10. Cost of pine wood jjer cord. 



b Proportion for wliole camp obtained from 2 and 3. 



c Charcoal screenings, bnt little wood. 



IV. BULLION. 



1. Tons of bullion produced. 



2. Average tenor of bullion in silver (ounces per ton). 



3. Average tenor of bullion in gold (ounces per ton). 



4. Total amount of silver in ounces. 



5. Freight to the East per ton of hullion. 



6 Paid by refiner. 



