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<br />Minin <br />Raw Material <br />Trans ort <br />Raw Material <br />Stora e <br />Scalping Screening <br />oversize <br />H Crushing <br />undersize .~ <br />Water spray ~ Washing/ gravel Product <br />Scrubbing ~ Storage <br />sand .~ <br />Sizirtg/ <br />Screenin <br />Wet <br />Classifying <br />Dewaterin <br />Product Storage <br />sand Washing, <br />~ Screening, <br />Classifying <br />Dewatering <br />Process flow diagram for construction sand and gravel processing <br />B. Description of Lyons Operations <br />1. Operating Methods <br />The method of gravel mining to be employed at this site will be <br />a dry pit operation. Prior to mining, a dewatering trench azound each <br />stage to be mined will be excavated and allowed to collect ground <br />water percolating through the gravel strata. This water will be <br />pumped from the lowest point in [he trench into the nearest <br />waterway. Gravel can then be excavated by means of front-end <br />loaders working the unmined gravel face. <br />Western Mobile Lyons - Rockin' WP D-2 <br />