REP27531

• Permit No: C1981025
• IBM Index Class Name: Report
• Doc Date: 1/8/2003
• Doc Name: 2002 Annual Hydrology Report
• From: Minrec Inc
• To: DMG
• Annual Report Year: 2002
• Permit Index Doc Type: Hydrology Report
• Media Type: D
• Archive: No

MINREC INC., NORTH THOMPSON CREEK MINES

NO. 3 MINE WATER LEVELS

PORTAL ELEV: 7716

Depth to Change Feet/ F eet/ 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
04114/89 592 -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
11109/89 801 -68.5 0 .5 0 .014 0 .43 7665.5
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
06/01193 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