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1 <br /> � <br /> STORM DP.AINAGE CALCULATIONS <br /> "r0R THE <br /> �:VERETT h1ALL OFFICE PARK <br /> EVEkETT� WASHINGTON <br /> , � ,',,�y..i-.. - 1 <br /> '�l � 1 ���✓ <br /> d�rv�� � W�SH� � <br /> `�� ti'`�� � �L � <br /> � F 1 � <br /> z <br /> N C � <br /> 9 W <br /> : V:9 W`` <br /> r � <br /> CfSTFP i��, <br /> ��'S S�O N Ale�i.�l�I� <br /> G - .�- c'� ,PE!//..S�D �!/LY2/, /9BU <br /> Roy E. Lewis • <br /> �Job No.79-390 <br /> �=� June 27, 1980 <br /> � � �'���� <br /> O <br /> ENGINEERING SURyEYING PLANNING <br />