2008-04-14_HYDROLOGY - M1988112

• Permit No: M1988112
• IBM Index Class Name: HYDROLOGY
• Doc Date: 4/14/2008
• Doc Name: March 2008 monthly report
• From: Battle Mountain Resources, Inc.
• To: DRMS
• Email Name: ACS
• Media Type: D
• Archive: No

BATTLE MOUNTAIN RESOURCES, INC.
April 10, 2008
Mr. Allen Sorensen /
State of Colorado a c ~ , ~ ~"~
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 ~,
March 2008 Monthly Report
Dear Mr. Sorensen:
~~~~~~~
APR 14 2008 ~~
Division of Reclamation, vim.
Mining and Safety
The following summarizes monitoring and site activities at the Battle Mountain Resources Inc.
(BMRI), San Luis Project for the month of March 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 on the tailing lysimeters was verified on March 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 March 31S`. March 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 QA/QC plan.
The leak detection system was measured on March 31~`. A total of 760 gallons of water was
excavated from the leak detection system yielding a monthly average of 23.75 gpad.
Due to mechanical problems the March tailings pond under drain was not measured, once repairs
are made flow measurements will be collected and reported.
During March the West Pit water treatment plant operated efficiently dischazging a total of
7,947,100 gallons (24.39 acre-feet) of water to Rito Seco Creek and a total of 0 gallons (0 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]