Price = aXb, US Dollars Where X is the capacity in pounds. Price is for new equipment. Coal range in X, 5000 to 15,000 a = 73.18, b = 0.861 Hard Rock Range in X, lb: 5,000 to 39,000 a = 70.59 b = 0.841 Cost based on M&S (Mine/Mill) Index of 1400 Source:Mular, A. and Poulin, R. |