2013-07-15_HYDROLOGY - C1996083

• Permit No: C1996083
• IBM Index Class Name: HYDROLOGY
• Doc Date: 7/15/2013
• Doc Name: 2nd Quarter 2013 Quarterly Pond Inspection Report
• From: J.E. Stover & Associates, Inc
• To: DRMS
• Permit Index Doc Type: Sediment Pond Inspections
• Email Name: SLB
• Email Name: SB1
• Media Type: D
• Archive: No

vperaior:
Mine:
Pond Identification
Type of Pond
Status During Inspection:
Approximate Water Level
Sediment (% remaining)
Outflow (cfs)
Features
Erosional
Rills & Gulleys
Inadequate Vegetation
Outlet Channel Erosion
Burrows
QUARTERLY POND INSPECTION REPORT
Bowie Resources LLC
Bowie No. 2 Mine - C- 1996 -083
Quarter: Second 2013
Inspection Date: 27- Jun -13
B
C
D - Gob Pile
F - New Gob
J UTL East
K UTL West
Sediment
Sediment
Sediment
Sediment
Sediment
Sediment
5941
5992
Only Sediment
Only Sediment
Damp
Dry
50%
90%
0%
0%
100%
80%
0
0
0
0
0
0
No
No
Problem
Problem
Problem
Problem
Problem
Problem
Yes /No
Yes /No
Yes /No
Yes /No
Yes /No
Yes /No
No No No No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
Differential Settling
No
No
No
No
No
No
No
No
No
No
No
No
Cracks or Slides
No
No
No
No
No
No
Seepage
No
No
No
No
No
No
Other
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 =6.5, J =10, K =3, F =10' TD
Pond Bottom Elevations B =5942, C =5990, D =5972, J =5846, F =5944, J
=5846, K =5819
Pond B has been dewatered so sediment can be removed.
The water level in Pond C was slighlty below the primary spillway.
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f
The sediment level in Pond D was approximately at the elevation of the
prim r,{1 ry „`, y : y►,
Sediment was being removed from Pond F during the inspection.
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Pond J was damp due to irrigaton flow and Pond K was dry.
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Maintenance Required:
Remove sediment from ponds F, D & B.
4
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Name of Inspector: Jim Stover
9/e�3
'.
J. E. °O•er.,,.
Coloradl �l16tte