Laserfiche WebLink
<br />r- <br />MINREC, INC. <br />2768 COMPASS DRIVE, SUITE 101 <br />GRAND JUNCTION, COLORADO 81506 <br />PHONE: (303) 245-4101, FA% 242-7908 <br />BLUE RIBBON MINE <br />July 6, 1993 <br />III IIIIIIIIIIIIIIII <br />999 <br />RECtIVED <br />Re: Semi-annual Bench Monitoring <br />Permit C-81-047 <br />Dear Ms. Johnston: <br />Divs~on o1 imnerais ~, ~eoloyY <br />The following table present the results of hydrologic monitoring on <br />the mine bench for the first and second quarter of 1993: <br />BENCH UNDERDRAINS <br />C. E. Johnston <br />Mined Land Reclamation Division <br />1313 Sherman St., Room 215 <br />Denver, Colorado 80203 <br />JUL 0 8 1993 <br />SOUTH <br />0.799 <br />7.2 <br />4400 <br />9°C <br /> NORTH MIDDLE <br />Date: 3-23-93 <br />Flow (gpm) 1.597 0.119 <br />pH 7.3 7.9 <br />Conductivity 2600 1300 <br />Temperature 9°C 5°C <br />Date: 7-03-93 <br />Flow (gpm) 0.036 - - <br />pH 7.3 - - <br />Conductivity 3100 - - <br />Temperature 17°C - - <br />BENCH PIEZOMETERS <br />P-1 P-2 P-3 P-4 <br />Date: 3-23-93 <br />Depth to Water (ft) 3.6 29.3 18.8 22.8 <br />Date: 7-03-93 <br />Depth to Water (ft) 4.2 23.0 38.9 20.8 <br />0.845 <br />7.3 <br />4300 <br />16°C <br />P-5 P-6 <br />18.0 6.3 <br />15.5 5.6 <br />