HYDRO21939

• Permit No: C1981047
• IBM Index Class Name: Hydrology
• Doc Date: 7/7/1995
• Doc Name: SEMI ANNUAL BENCH MONITORING PERMIT C-81-047
• From: MINREC INC
• To: DMG
• Permit Index Doc Type: OTHER GROUND WATER
• Media Type: D
• Archive: No

MINREC, INC.
2768 COMPASS DRIVE, SUITE 101
GRAND JUNCTION, COLORADO 81506
PHONE: [phone], FAX [phone]
BLUE RIBBON MINE
July 5, 1995
C. E. Johnston
Division of Minerals & Geology
1313 Sherman St., Room 215
Denver, Colorado 80203
Re: Semi-annual Bench Monitoring
Permit C-81-047
III IIIIIIIIIIIII III
sss
RECEIVED
JUG 0 71995
Division of minerals ~ Geoio9Y
Dear Ms. Johnston:
The following tables present the results of hydrologic monitoring
on the mine bench for the first and second quarter of 1995:
BENCH UNDERDRAINS
NORTH MIDDLE SOUTH
Date: 3-16-95
Flow (gpm) 0.163 DRY 0.047
pH 7.6 - - 7.7
Conductivity (umhos/cm) 2700 - - 4700
Temperature 7°C - - 5°C
Date: 6-22-95
Flow (gpm) 0.046 DRY 0.226
pH 8.0 - - 7.2
Conductivity (umhos/cm) 2500 - - 4400
Temperature 22°C - - 18°C
BENCH PIE20METERS
P-1 P-2 P-3 P-4 P-5
Date: 3-18-95
Depth to Water (ft) 3.7 25.0 24.0 23.1 16.1
Date: 6-22-95
Depth to Water (ft) 3.8 28.2 33.1 21.0 13.1