REP43770

• Permit No: C1981025
• IBM Index Class Name: Report
• Doc Date: 1/9/2004
• Doc Name: 2003 Annual Hydrology Report
• From: Minrec Inc
• To: DMG
• Annual Report Year: 2003
• Permit Index Doc Type: Hydrology Report
• Media Type: D
• Archive: No

MINREC INC. , NORTH THOMPSON CREEK MINES

NO. 3 MINE WAT ER LEVELS

PORTAL ELEV : 7716

Depth to Change Feet/ Feet/ Water
Date Da s Water De th Da Month Elevation

09/10/87 10 -163 .9 7610 .1
09/17/87 17 -162 .6 1 .3 0 .186 5 .57 7611 .4
10/01/87 31 -160 .3 2 .3 0 .164 4 .93 7613 .7
10/14/87 44 -158 .0 2 .3 0 .177 5 .31 7616 .0
11/12/87 73 -153 .7 4 .3 0 .148 4 .45 7620 .3
01/08/88 130 -145 .4 8 .3 0 .146 4 .37 7628 .6
01/22/88 144 -143 .0 2 .4 0 .171 5 .14 7631 .0
02/25/88 178 -137 .0 6 .0 0 .176 5 .29 7637 .0
03/22/88 204 -132 .3 4 .7 0 .181 5 .42 7641 .7
04/12/88 225 -129 .2 3 .1 0 .148 4 .43 7644 .8
05/03/88 246 -126 .3 2 .9 0 .138 4 .14 7647 .7
06/24/88 298 -121 .5 4 .8 0 .092 2 .77 7652 .5
07/19/88 323 -119 .0 2 .5 0 .100 3 .00 7655 .0
08/12/88 347 -116 .9 2 .1 0 .087 2 .62 7657 .1
09/14/88 380 -113 .3 3 .6 0 .109 3 .27 7660 .7
10/11/88 407 -110 .3 3 .0 0 .111 3 .33 7663 .7
11/09/88 436 -106 .9 3 .4 0 .117 3 .52 7667 .1
04/14/89 592 -94 .9 12 .0 0 .077 2 .31 7679 .1
05/24/89 632 -93 .0 1 .9 0 .048 1 .43 7681 .0
07/06/89 675 -91 .6 1 .4 0 .033 0 .98 7682 .4
08/15/89 715 -90 .5 1 .1 0 .027 0 .82 7683 .5
10/05/89 766 -89 .0 1 .5 0 .029 0 .88 7685 .0
11/09/89 801 -88 .5 0 .5 0 .014 0 .43 7685 .5
01/09/90 862 -87. 25 1 .3 0 .020 0 .61 7686 .8
04/18/90 961 -86 .1 1 .2 0 .012 0 .35 7687 .9
06/27/90 1031 -85 .1 1 .0 0 .014 0 .43 7688 .9
08/17/90 1082 -85 .0 0 .1 0 .002 0 .06 7689 .0
10/01/90 1127 -84 .7 0 .3 0 .007 0 .20 7689 .3
11/03/90 1160 -84 .5 0 .2 0 .006 0 .18 7689 .5
04/17/91 1325 -84 .1 0 .4 0 .002 0 .07 7689 .9
05/18/91 1356 -83 .5 0 .6 0 .019 0 .58 7690 .5
06/19/91 1388 -83 .8 -0 .3 -0 .009 -0 .28 7690 .2
08/09/91 1439 -83 .5 0 .3 0 .006 0 .18 7690 .5
09/19/91 1480 -83 .6 -0 .1 -0 .002 -0 .07 7690 .4
12/01/91 1553 -83 .3 0 .3 0 .004 0 .12 7690 .7
02/07/92 1621 -83 .1 0 .2 0 .003 0 .09 7690 .9
04/11/92 1685 -83 .0 0 .1 0 .002 0 .05 7691 .0
07/01/92 1766 -83 .0 0 .0 0 .000 0 .00 7691 .0
09/12/92 1839 -82 .6 0 .4 0 .005 0 .16 7691 .4
12/08/92 1926 -82 .6 0 .0 0 .000 0 .00 7691 .4
06/01/93 2101 -80 .9 1 .7 0 .010 0 .29 7693 .1
07/03/93 2133 -65 .0 15 .9 0 .497 14 .91 7709 .0
07/29/93 2159 -59 .2 5 .8 0 .223 6 .69 7714 .8
08/17/93 2178 -58 .5 0 .7 0 .037 1 .11 7715 .5
08/27/93 2188 -58 .6 -0 .1 -0 .010 -0 .30 7715 .4
09/23/93 2215 -60 .0 -1 .4 -0 .052 -1 .56 7714 .0
11/15/93 2268 -62 .3 -2 .3 -0.043 -1 .30 7711.7