Laserfiche WebLink
~. <br />MINREC, INC. <br />2768 COMPASS DRIVE, SUITE 101 <br />GRAND JUNCTION, COLORADO 81506 <br />PHONE: (970) 245-4101, FAX 242-7908 <br />BLUE RIBBON MINE <br />July 5, 1996 <br />David Berry <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. Berry: <br />o~~~IVED <br />JU(, Q ~ <br />1996 <br />Division or m,neres & ueoivyY <br />iii iiiiiiiiiiiu iii <br />999 <br />The following tables present the results of hydrologic monitoring <br />on the mine bench for the first and second quarter of 1996: <br />BENCH UNDERDRAINS <br />NORTH MIDDLE SOUTH <br />Date: 3-20-96 <br />Flow (gpm) 0.035 DRY 0.110 <br />pH 8.0 - - 7.6 <br />Conductivity (umhos/cm) 2300 - - 5000 <br />Temperature 7°C - - 6°C <br />Date: 6-18-96 <br />Flow (gpm) 0.006 DRY 0.013 <br />pH 8.3 - - 7.8 <br />Conductivity (umhos/cm) 2400 - - 6400 <br />Temperature 22°C - - 19°C <br /> BENCH PIEZOMETERS <br /> P-1 P-2 P-3 P-4 P-5 <br />Date: 3-20-96 <br />Depth to Water (ft) 4.3 23.2 28.2 22.6 16.3 <br />Date: 6-18-96 <br />Depth to Water (ft) 4.6 41.0 44.3 22.5 15.4 <br />