Ball Mill With Capacity Tph. coal ball mill capacity tph size calculations of coal belt capacity in tph calculate ball mill area how to calculate capacity in tph how of 50 TPH the 21 on each Chat Now method of tph calculation in crusher tph calculation of vibrating screen , , Valuation of a Coal Property Applying Standards to Determine Market Value versus Investment Value Trevor R. Ellis, CPG, CMA, CGA, FAusIMM ... Calculate an NPV for the coal or mineral property 2. Call the NPV Market Value 3. Wrap a property description around it