2009-07-24_HYDROLOGY - C1996083

• Permit No: C1996083
• IBM Index Class Name: HYDROLOGY
• Doc Date: 7/24/2009
• Doc Name: 2nd Quarter 2009 Pond Inspection
• From: J.E. Stover & Associates
• To: DRMS
• Permit Index Doc Type: Sediment Pond Inspect
• Email Name: JJD
• Media Type: D
• Archive: No

QUARTERLY POND INSPECTION REPORT
Bowie Resources LLC
Bowie No. 2 Mine- C-1996-083
Identification
of Pond
s During Inspection:
wimate Water Level
lent (% total storage)
iw (cfs)
Quarter: Second 2009
Inspection Date: 09-Jun-09
B C D - Gob Pile F - New Gob J UTL East K UTL West I
Sediment Sediment Sediment Sediment Sediment Sediment
5947 5992 5975 5947.5 D Dry/Damp
15% 0% 0% 15% 0% 20%
0 0 0 0 0 0
I I
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 spillway:
Pond 6=10, C=10, D=7.7, J=9, K=3, F=10' TD
Pond Bottom Elevations B=5942, C=5990, D=5972, F=5944, J=5847, K=5819
Water level in Pond C was 2' below the level of the primary spillway.
The following four mud pits were inspected on July 21, 2009 with no problems cst00
1) Hubbard Creek Shaft, 2) Two sites and mud pits at the mouth of Dove ?I,C?VB?9o
Work has begun to close the Hubbard Creek Shaft mud pit. b E sl X00

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Maintenance Required: Sediment needs removed from Pond F. s o q
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Name of Inspector: Jim Stover
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Colorado ? A0 Date