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4.2 Sedimentology <br /> Chart 4 displays the results from sedimentology analysis,and reveals that Phase II bond release blocks <br /> post-mining evaluation exhibit less predicted erosion as compared to pre-mining conditions (0.252 <br /> tons/acre/year versus 0.137 tons/acre/year and 0.092 tons/acre/year versus 0.060 tons/acre/year). <br /> Chart 4 <br /> Colowyo-Sedimentology Success Criterion Comparison-2022 <br /> 0.30 <br /> Successful When <br /> Post-Mining Below <br /> 0.25 Pre-Mining Values <br /> v <br /> a <br /> v <br /> `u <br /> a 0.20 <br /> C <br /> H <br /> .N0 0.15 <br /> O <br /> W <br /> 0.10 <br /> L <br /> o. <br /> 0.05 <br /> 0.00 <br /> Pre-Mining Post-Mining Pre-Mining Post-Mining <br /> A B <br /> 18 <br />