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~ MINREC, INC . III III III IIIIIII III <br />2768 COMPASS DRIVE, SUITE 101 <br />GRAND JUNCTION, COLORADO 81506 <br />PHONE: (303) 245-4101, FAR 242-7908 <br />BLUE RIBBON MINE <br />July 18, 1994 <br />~~CFfV~L7 <br />C. E. Johnston ~~C 21 199 <br />Mined Land Reclamation Division ~'rvis~ <br />DenverheColorado~80203 215 o~c,~~p~e~d;~4~ep;Uny <br />Re: Semi-annual Bench Monitoring <br />Permit C-81-047 <br />Dear Ms. Johnston: <br />The following table present the results of hydrologic monitoring on <br />the mine bench for the first and second quarter of 1994: <br />BENCH UNDERDRAINS <br />NORTH MIDDLE SOUTH <br />Date: 4-01-94 <br />Flow (gpm) 0.0152 DRY 0.0354 <br />pH 7.7 - - 7.1 <br />Conductivity (umhos/cm) 2400 - - 5300 <br />Temperature 10°C - - 6°C <br />Date: 6-21-94 <br />Flow (gpm) 0.004 DRY 0.0078 <br />pH 7.3 - - 7.5 <br />Conductivity (umhos/cm) 2600 - - 5100 <br />Temperature 18°C - - 18°C <br />BENCH P <br />P-1 P-2 P-3 P-4 P-5 <br />Date: 4-01-94 <br />Depth to Water (ft) 5.6 35.0 44.8 22.8 18.0 <br />Date: 6-21-94 <br />Depth to water (ft) 5.0 43.1 DRY 23.3 18.9 <br />