HYDRO22007

• Permit No: C1996083
• IBM Index Class Name: Hydrology
• Doc Date: 7/27/2007
• Doc Name: 2nd Qtr 2007 Pond Inspection
• From: J.E. Stover & Associates
• To: DRMS
• Permit Index Doc Type: Sediment Pond Inspections
• Media Type: D
• Archive: No

QUARTERLY POND INSPECTION REPORT
Operator: Bowie Resources LLC Quarter: Second 2007
Mine: Bowie No. 2 Mine - C-1996-083 Inspection Date: 22-Jun-07
Pond Identification
Type of Pond
Status During Inspection:
Approximate Water Level 3' Pool Dry Dry Dry Dry to Damp
Sediment (% total storage) 40% 15% 0% 10% 0% 20%
Outflow (cfs) 0 0.2 0 0 0 0
Features Problem Problem Problem Problem Problem Problem
Yes/No Yes/No Yes/No Yes/No Yes/No Yes/No
Erosional
Rills & Gulleys No No No No No No
Inadequate Vegetation No No No No No No
Outlet Channel Erosion No No No No No No
Burrows No No No No No No
Other No No No No No No
Structural
Differential Settling No No No No No No
Cracks or Slides No No No No No No
Seepage No No No No No No
Other No No No No No No
Appurtenant Structures
Defective Spillways No No No No No No
Dewatering Devices Clogged No No No No No No
Faulty Gates, Etc. No No No No No No
Other No No No No No No
Additional Comments Design depth measured from pond bottom to invert of emergency spil lway:
Pond B=10, C=10, D=7.7, J=6, K=4, F=10' TD
Pond Bottom Elevations B=5942, C=5990, D=5972, F=5944, J=5852, K=5819 gqeasp
Water level in pond C was below t he level of the pri mary spillway pipe. ®CPQU RE A
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Sediment had been removed from Pond D. RR
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Drilling mud pits were inspected wi th no problems noted. V ° `
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Maintenance Required: Sediment removal from Pond B had commenced by the end of the qu ~
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Name of Inspector: Jim Stover j
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B C D -Gob Pile F -New Gob J UTL East K UTL West
Sediment Sediment Sediment Sediment Sediment Sediment