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E-4 <br /> 4 INCHES STRAW ' OR MARSH SANDY LOAM SOIL <br /> HAY AND LAYER OF RED <br /> ROSIN PAPER PERFORATED LATERAL <br /> GRASS COVER 6 INCHES <br /> SAND FILLTOPSOIL <br /> MAXIMUM SLOPE •--► <br /> 4 TO I 4. `-:.. . �. <br /> TOPSOIL` IJ % SLOPE <br /> �SUBSOIL PLOWED OR <br /> ,�,�.� CLEAN ROCK <br /> DISKED SURFACE 3/4 TO 21/p INCHES <br /> CROSS SECTION A - A <br /> PIPE FROM • <br /> PUMPING CHAMBER <br /> - w I • . - <br /> Y % <br /> • . o <br /> ___ <br /> L _ _ a <br /> • <br /> • PERFORATED I <br /> - LATERALS <br /> •i <br /> BED AREA—' ; z <br /> I---- -1 J <br /> o _. <br /> W W CO -LIJ O <br /> • - - z z . • <br /> .• 20 o 'oy 20 ' -- <br /> INCHE ct v ' [INCHES <br /> • L. - i - I 1 <br /> DIKE ,...1...._10 FEET —DIKE <br /> • MAX. _ <br /> J~ . TOTAL WIDTH <br /> • ' 1 • ` `. <br /> // ( • 1 i <br /> . 1 <br /> PLAN VIEW <br />