2011-10-17_HYDROLOGY - C1996083

• Permit No: C1996083
• IBM Index Class Name: HYDROLOGY
• Doc Date: 10/17/2011
• Doc Name: 3rd Quarter 2011 Quarterly Pond Inspection Report
• From: J.E. Stover & Associates, Inc
• To: DRMS
• Permit Index Doc Type: Sediment Pond Inspections
• Email Name: JJD
• Email Name: SB1
• Media Type: D
• Archive: No

Operator:
Mine:
Pond Identification
Type of Pond
Status During Inspection:
Approximate Water Level
Sediment (% total storage)
Outflow (cfs)
QUARTERLY POND INSPECTION
REPORT
Quarter:
Inspection Date:
Bowie Resources LLC
Third 2011
Bowie No. 2 Mine - C -1996 -083
26- Sep -11
B
C
D - Gob Pile
F - New Gob
J UTL East
K UTL West
Sediment
Sediment
Sediment
Sediment
Sediment
Sediment
4' Pool
5' Pool
Pool
Dry
Dry
Dry I
0%
25%
100%
75%
0%
20%
0
0.25
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
Inadequate Vegetation
Outlet Channel Erosion
Burrows
Other
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
Structural
Differential Settling
Cracks or Slides
Seepage
Other
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
Appurtenant Structures
Defective Spillways
Dewatering Devices Clogged
Faulty Gates, Etc.
Other
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
Additional Comments Design depth measured from pond bottom to invert of emergency spillway:
Pond B =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
Two open mud pits were inspected with no problems noted. One is at drill
and the other open mud pit is at the Terror Creek Shaft geotech hole.
Maintenance Required: Pond B was being dewatered at time of inpsection. Pond C needs dewatered.*
Remove sediment from ponds C, D & F.
Name of Inspector: Jim Stover
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Colorado P. E. 19230 Date