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• <br />• <br /> <br />Monitoring W e ~ ~ CTL/THOMPSON, INC. <br />Construction S u m.t71 a r y ®CONSULTING GEOTECHNICAL <br />AND MATERIALS ENGINEERS <br />~9)~ WEST 12TH avE. DENVER. CO B030n <br />~J031 835-0) ] ] <br />JOB NO. 17 .453 MONITORING WELL NO. ].U,~ <br />JOB NAME NEW ELK MINE RDA DEPTH TO GROUNDWATER 44.9 <br />ENGINEER DATE MEASURED APRIL 4 , 1991 <br />INSTALLATION DATE 3-28-91 GROUNDWATER SAMPLING DATE (S) <br />7580.7 <br />GROUND ELEVATION <br />WELL DETAIL <br />SUMMARY LOG OF BORING <br />DEPTH SOIL SOIL DESCRIPTION <br />FROM TO SYMBOL <br />MOIST E <br />R <br /> i PVC CAP TYPE <br /> <br /> LI <br /> ° <br /> u <br /> O ° ~p C <br /> ° 'LIMITED ACCESS <br /> p a MONITORING <br /> WELL PROTECTOR TYPE <br /> L2 n <br /> ° e <br /> n ° BACKFILL TYPE <br /> ° p <br /> L S ° u COAL REFUSE <br /> D D <br /> ° ° PE <br />I <br /> L3 ° <br />a E <br />p SEAL MATER <br />AL TY <br />BENTONITE <br /> <br /> ° <br />° <br />L 7 , <br /> I.D. OF PISER PIPE 1-1 /4 <br /> TYPE OF PIPE PVC <br /> <br />FI~T~~A7EOAL REFUSE <br />REMARKS: <br />L6 TYPE OF SCREEN PIPE <br />PVt- <br />SIZE OF OPENINGS <br />1 /16" <br />JOB NO. 17,453 <br />~----DIAMETER OF BORING <br />4 INCHES <br />L I= 2 • 3' LS= 49' <br />L2- 33' LG. 5~ <br />, , <br />L3. 7 L7= 56.3 <br />L4. 14' <br />FIG. A-4 <br />