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i�- � . . <br /> . <br /> 11/22/02 � ^Page 2 <br /> I <br /> TRENCH ELEVATIONS <br /> i � ; <br /> ' _ TRENCH FINISHED TOP OF DEPTH OF <br /> NUMBER GRADE CHAMBER TRENCH <br /> + . <br /> 1 _ 945.80 944.80 943.47 <br /> 1 2 944.80 943.80 942.47 <br /> 3 943.60 942.60 94i.27 <br /> 4 942.50 941.50 940.17 <br /> , 5 941.70 940.70 939.37 <br /> � , <br /> � <br /> i = <br /> i _ <br /> I <br /> I + <br /> ! <br /> 1 <br /> I <br /> i <br /> # <br /> � <br /> � <br /> I <br /> � <br /> � - <br />