2012-04-23_HYDROLOGY - C1996083

• Permit No: C1996083
• IBM Index Class Name: HYDROLOGY
• Doc Date: 4/23/2012
• Doc Name: 1st Quarter 2012 Quarterly Pond Inspection Report
• From: J. E. Stover & Associates, Inc
• To: DRMS
• Permit Index Doc Type: Sediment Pond Inspections
• Email Name: BFB
• 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
Fisrt 2012
Bowie No. 2 Mine - C -1996 -083
24- Mar -12
B
C
D - Gob Pile
F - New Gob
J UTL East
K UTL West
Sediment
Sediment
Sediment
Sediment
Sediment
Sediment
7' Pool
6' Pool
4.7' Pool
5' Pool
Dry
Damp /Pools I
100%
50%
50%
25%
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
Mud pits were not inspected during the quarter.
Maintenance Required: Pond B was being dewatered at time of inpsection. Pond C needs dewattli-
Remove sediment from ponds C, D & F.
Name of Inspector: Jim Stover
=5819
• ® tis .
11Q:to^Or � -~
( r
a '• • ,CD I
) 9�' cii
..2, 4i 1 8 /-7- +v1
j � ' �
J E. StovAN e a •
Colorado P. E 19230 Date