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' " .. MINREC, INC. <br />2768 COMPASS DRIVE, SUITE 101 <br />GRAND JUNCTION, COLORADO 81506 <br />PHONE: (970) 245101, FAX 242-7908 <br />• BLUE RIBBON MINE <br />III IIIIIIIIIIIII III <br />999 <br />RECEIVED <br />June 29, 1999 <br />Jim Burnell <br />Division of Minerals & Geology <br />1313 Sherman St., Room 215 <br />Denver, Colorado 80203 <br />Re: Semi-annual Bench Monitoring <br />Permit C-81-047 <br />Dear Mr. Burnell: <br />JUL 02 1999 <br />Division of Idinerab & Geology <br />• The following tables present the results of hydrologic monitoring on the mine bench for the <br />first and second quarter of 1999: . <br />BENCH UNDERDRAINS <br /> NORTH MIDDLE SOUTH <br />Date: 3-10-99 <br />Flow (gpm) 0.019 0.0 0.125 <br />pH 7.8 - - 7.8 <br />Conductivity (umhos/cm) 2400 - - 5400 <br />Temperature 7°C - - 5.5°C <br />Date: 6-28-99 <br />Flow (gpm) 0.01 DRY 0.005 <br />pH 8.7 - - 8.0 <br />Conductivity (umhos/cm) 2100 - - 5500 <br />Temperature 24.6°C - - 25.5°C <br />u <br />