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HIGHWALL SLOPE REDUCTION <br />Pit Depth approx. 40 ft. <br />Linear distance approx. 1,730 ft. (from mine plan) <br />Mined slope approx..5H:1V <br />Reclaimed slope approx. 3H:1V <br />Volume of material to be moved calculated: <br />A = .5(120 ft. x 40 ft.) - .5(20 ft. x 40 ft.) = 2,000 ft.2 <br />V = 2,000 ft.2 x 1,730 Ift. = 3,460,000 ft.3= 128,148 yd.3 <br />Reclaimed <br />Highwall <br />Slope % <br />40 ft. <br />100 ft. 20 ft.