2008-08-11_HYDROLOGY - M1988112

• Permit No: M1988112
• IBM Index Class Name: Hydrology
• Doc Date: 8/11/2008
• Doc Name Note: Water Monitoring - Groundwater and Surface Water
• From: Battle Mountain Resources, Inc
• To: DRMS
• Type & Sequence: TR32
• Email Name: ACS
• Media Type: D
• Archive: No

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BATTLE MOUNTAIN RESOURCES, INC.
August 06, 2008
Mr. Allen Sorensen
State of Colorado
Division of Minerals and Geology
1313 Sherman Street, Room 215
Denver, CO 80203
Re: Battle Mountain Resources Inc.
San Luis Project
CMLRB Permit No. M-88-112
July 2008 Monthly Report
Dear Mr. Sorensen:

AUG 112008 ?
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k1laing and Sa,IeV
The following summarizes monitoring and site activities at the Battle Mountain Resources Inc.
(BMRI), San Luis Project for the month of July 2008.
?Surface and ground water monitoring and analysis were completed for all required sites during
the month per the terms and conditions of the TR-32 Quality Assurance and Quality Control
(QA/QC) Plan.
Vacuum oil the tailing lysimeters was verified on July 31' , no water was present for sampling
and subsequent analysis.
Depths to water were collected for the tailing impoundment main embankment piezometers and
the West Pit monitoring wells on July 31st. July tailing impoundment piezometer measurements
identified these installations were either dry or contained less than 12 inches of water as
illustrated in Table 2. Tables 1 and 2 below identify the depth to water measurements collected
for each of the site monitoring wells, piezometers and lysimeters as required by the terms and
conditions of the TR-32 QAIQC plan.
The leak detection system was measured on July 31 s<. A total of 680 gallons of water was
excavated from the leak detection system yielding a monthly average of 21.93 gpad. The tailings
pond under-drain measured 34 gpm.
During July the West Pit water treatment plant operated efficiently discharging a total of
9,751,000 gallons (29.93 acre-feet) of water to Rito Seco Creek and a total of 521,700 gallons
(1.60 acre-feet) of water was transferred from the water treatment plant to the tailings
impoundment. Seepage along Rito Seco Creek remained dry during the month.
P.O. Box 310 • San Luis, Colorado 81152-0310 • [phone] • Fax [phone]