valuation of coal deposits/ resources/reserves Conduct Geological due diligence on coal prospects Compile from surface boreholes when necessary to permit optimum shaft sinking by using ore trends/grades/faults/dykes prospecting operations when necessary to generate new coal ore reserves Investigate all structurally complex complex areas when necessary to generate new coal ore reserves Analyse problems of evaluation and value trends economic potential of all the coal seams developed when necessary to generate new coal ore reserves Updating