HYDRO27727

• Permit No: M1988112
• IBM Index Class Name: Hydrology
• Doc Date: 5/11/2006
• Doc Name: April 2006 Monthly Report
• From: Battle Mountain Resources Inc.
• To: DMG
• Permit Index Doc Type: Correspondence
• Media Type: D
• Archive: No

$attle Mountain Resources Inc.
San Luis Project
CMLRB Permit No. M-88-112
April 2006 Monthly Report
Page 2
Table 1-April 2006 Ground Water Monitoring Well and Lysimeter Depth to Water
Measurements
Monitorin Site Date De t6 to Water feet
M-4R 4/27/06 44.72
M-6 4/27/06 D
M-7 4/27/06 D
M-8 4/27/06 D
M-9 4/27/06 141.64
M-10 4/27/06 25.86
M-11 R 4/27/06 44.18
M-12 4/27/06 178.83
M-13R 4/27/06 129.95
M-14 4/27/06 135.45
M-I S 4/27/06 82.90
M-16 4/27/06 23.00
M-19 4/27/06 24.81
M-21 4/27/06 19.06
M-22 4/27/06 17.44
M-26 4/27/06 16.43
M-32 4/27/06 42.76
M-33 4/27/06 46.81
M-34 4/27/06 23.48
BF-4 4/27/06 25.13
BF-6 4/27/06 30.92
LS-1 4/26/06 D
LS-2 4/26/06
LS-3 4/26/06
LD-1 4/26/06 D
LD-2 4/26/06
LD-3 4/26/06
Table 2 -April 2006 Tailing Disposal Area Piezometer Depth to Water
Piewmeter Date Depth to Water
feet Total Depth (ft) Volume of
Water ft
P6 4/27/06 D 72.46 0.00
P7 4/27/06 92.50 0.00
P8 4/27/06 96.76 97.51 0.75
P9 4/27/06 71.79 72.30 0.51
P10 4/27/06 57.34 58.30 0.96
Pll 4/27/06 41.30 41.80 0.50