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Weighting <br />Acreage of the Vegetation Reference Areas (RA's): Factors <br />Refuse Pile RA (Plot A): 2.80 acres 0.5293 (2.80/5.29) <br />Old Portal RA (Plot B): 0.42 acre 0.0794 (0.42/5.29) <br />New Portal RA (Pinion- Juniper RA): 2.07 acres 0.3913 (2.07/5.29) <br />Total area of RA's: 5.29 acres <br />The weighting factors are then multiplied to the vegetation data values collected from each <br />respective Reference Area. <br />Example: <br />Reference Collected Weighting <br />Area Vegetation Data Factor Value <br />Plot A a X 0.5293 = x <br />Plot B b X 0.0794 = y <br />New(pinion juniper) c X 0.3913 = z <br />Sum of the three RA's weighted vegetation values = (x + y + z) <br />The sum of the three vegetation values (x + y + z) will then be added into a sum which will be the <br />ultimate plant cover and forage production revegetation success standards for the Southfield Mine. <br />Or, to express in a different way, the sum of the weighted reference area values (the standard) <br />would then be used for the success comparison for the weighted reclamation blocks. <br />TR -39 2.04.10 -Sa Revised Nov 2013 <br />