HYDRO23701

• Permit No: M1988112
• IBM Index Class Name: Hydrology
• Doc Date: 6/11/2007
• Doc Name: May 2007 Monthly Report
• From: Battle Mountain Resources, Inc.
• To: DRMS
• Media Type: D
• Archive: No

Battle Mountain Resources Inc.
San Luis Project
CMLRB Permit No. M-88-112
May 2007 Monthly Report
Page 2
Table 1-May 2007 Ground Water Monitoring Well and Lysimeter Depth to Water
Measurements
Monitoriu Site Date De th to Water feet
M-4R 5/30/07 0
M-6 5/30/07 D
M-7 5/30/07
M-8 5/30/07 D
M-9 5/30/07 142.92
M-10 5/30/07 25.52
M-11 R 5/30/07 41.98
M-12 5/30/07 179.42
M-13R 5/30/07 130.64
M-14 5/30/07 135.30
M-I S 5/30/07 84.14
M-16 5/30/07 21.53
M-19 5/30/07 24.19
M-21 5/30/07 18.36
M-22 5/30/07 16.73
M-26 5/30/07 15.36
M-32 5/30/07 39.80
M-33 5/30/07 46.89
M-34 5/30/07 23.52
BF-4 5/30/07 25.62
BF-6 5/30/07 30.88
LS-I 5/30/07 D
LS-2 5/30/07 D
LS-3 5/30/07 D
LD-1 5/30/07 D
LD-2 5/30/07 D
LD-3 5/30!07
Table 2 -May 2007 Tailing Disposal Area Piezometer Depth to Water
Piezometer Date Depth to Water
feet Total Depth (ft) Volume of
Water ft
P6 5/31/07 D 72.46 0.00
P7 5/31/07 92.50 0.00
P8 5/31/07 96.85 97.51 0.66
P9 5/31/07 71.83 72.30 0.47
P10 5/31/07 57.45 58.30 0.85
Pll 5/31/07 41.33 41.80 0.47