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<br /> '112 <br /> ,en <br /> '00 <br /> 19 <br /> . 88 <br />5. 187 <br /> I: <br /> 84 <br /> 113 <br /> 82 <br /> <br /> <br />DIIIlIt CCIlIIIplIe lit Deep.... - - - -' .. '6 <br />I <br />J <br /> <br />.__ .. _ _ 1III!f-~. __ <br />t <br /> <br />~ ~ . . m _ ~ _ m _ m ~ _ ~ ~ <br />................ . <br /> <br />NATURAL SEDIMENTATION (LONG TERM) <br /> <br /> <br />- - <br />A WIDE, SHALLOW DITCH WILL ACCUMUlATE SEDIMENT AT A MUOI GREATER RATE - <br />DECREASING DITOi PERFORMANCE. 11MEFRAME ON THE ORDER OF MONTHS TO <br />YEARS. <br /> <br />