REP26288

• Permit No: C1981025
• IBM Index Class Name: Report
• Doc Date: 12/11/2001
• Doc Name: 1997 ANNUAL HYDROLOGIC REPORT
• Annual Report Year: 1997
• Permit Index Doc Type: HYDROLOGY REPORT
• Media Type: D
• Archive: No

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MINREC, INC., NOTRH THOMPSON CREEK MINES

REFUSE PILE PIEZOMETER - D-1A

WATER
DATE LEVEL pH TEMP COND ELEV
Sep-90 34.5 6.9 14 4700 7406.5
Dec•90 35.0 7.3 7 4400 7406.0
Mar431 32.1 7.1 9 3500 7408.9
Jun•91 34.4 7.0 12 3900 7406.6
Sep-91 34.9 6.9 11 4400 7406.1
Dec-91 34.9 7.0 9 4400 7406.1
Mar-92 35.0 6.9 11 4300 7406.0
Jun-92 34.9 7.1 10 4200 7406.1
Sep-92 34.8 7.0 11 3600 7406.2
Dec-92 35.0 6.8 10 4600 7406.0
Mar•93 31.8 7.2 10 3600 7409.2
Jun-93 34.4 7.0 10 3400 7406.6
Sep-93 34.7 6.9 70 4100 7406.3
Dec•93 34.7 6.8 8 4500 7406.3
Mar-94 34.4 6.7 10 4300 7406.6
Jun-94 30.9 6.5 10 4300 7410.1
Sep-94 31.0 7.0 12 4500 741 D.0
Dec-94 34.2 6.8 8 4400 7406.8
Mar-95 30.0 7.0 7 3500 7411.0
Jun-95 32.1 6.9 11 4000 7408.9
Sep95 34.4 6.7 12 4200 7406.6
Dec-95 34.5 7.1 11 4200 7406.5
Mar-96 30.8 ~ ~ ~ 7.0 ~-- 7 - 3400 7410.2
Jun-96 34.4 6.6 12 4200 7406.6
Sep-96 34.7 6.8 11 4300 7406.3
Dec•96 35.1 7.2 5 4100 7405.9
Mar-97 33.4 7.1 8 3600 7407.6
Jun-97 32.3 6.6 10.6 3900 7408.7
Sep-97 34.9 6.9 12.9 4100 7406.1
Dec-97 34.1 6.6 10.3 4200 7406.9