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• <br /> ' E-4 <br /> '4 INCHES STRAW OR MARSH SANDY LOAM SOIL <br /> HAY AND LAYER OF RED • <br /> ROSIN PAPERPERFORATED LATERAL <br /> GRASS COVER 6 INCHES <br /> SAND FILL ��~ TOPSOIL <br /> MAXIMUM SLOPE .. <br /> if TO I .4 , �. <br /> - <br /> ' TOPSOIL ' <br /> - "�I °/SLOPE <br /> *'%1SUBSOIL PLOWED OR CLEAN ROCK <br /> DISKED SURFACE <br /> 3/4 TO 21/2 <br /> INCHES <br /> CROSS SECTION A - A <br /> PIPE FROM <br /> BUMPING CHAMBER <br /> \'\ , t. ‘ 1 .: \ . . . I , <br /> I '( iI . n: '/ <br /> w 1 . <br /> • o ' <br /> ._ . . L_ ..• <br /> .. <br /> _ , . <br /> 1- - --7- i - <br /> .. III <br /> _ • I <br /> . <br /> • PERFORATED <br /> LATERALS ; •• <br /> _ I <br /> In <br /> I 1 1— . <br /> ' BED AREA z <br /> w • <br /> o --- <br /> - • I 1 <br /> 0 w w ' m + 0 <br /> - - I I U Z i — <br /> 1 <br /> 20 : O 0 y 2O .- <br /> • • INCHE� ' '4" ' v _INCHES <br /> - , L — — — I I <br /> DIKE <br /> FEET1_DIKE <br /> MAX. <br /> TOTAL WIDTH <br /> , . , % . \* \ <br /> /! 1 I <br /> 1 � <br /> PLAN VIEW <br />