HYDRO20499

• Permit No: C1982057
• IBM Index Class Name: Hydrology
• Doc Date: 4/11/2005
• Doc Name: 1st Qtr 2005 Stockpond Inspections
• From: Seneca Coal Company
• To: DMG
• Permit Index Doc Type: Sediment Pond Inspections
• Media Type: D
• Archive: No

PERIODIC INSPECTION FORM
Stockpoade or Sumps
INSPECTOR'S NAME: Rov Karo
FACILITY CONFIGURATION: Stockpond
SITE NAME: T-3
MINE NAME: Seneca II-W
MINE I.D. NO.: C-82-057
DATE: ~/'?~p~
DATE LAST INSPECTION:
LOCATION: NWi4SE'/. Sec 22. TSN. R88W
LOCATION: 8 mi S of Hayden. CO
OWNER'S REP.: Greco Kitchen Gen.Mcr.
Circle or write in aourovriate resaoase
1
2
3.
4.
5.
6.
7.
8.
9.
Angle of slope: 4.3:1 upstream, 2.9:1 downstream
`Seepage (specify location, color, and approximate volume)
At isolated points on embankment slopes:
At natural hillside:
Over widespread areas:
From downstream foundation area:
"BOils^ beneath stream or ponded water:
Cracks or scarps on crest:
Cracks or scarps on slope:
Sloughing or bulging on slope:
`Major erosion problems:
Surface movements in valley bottom or on hillside:
`Erosion of toe:
`Water impounded against downstream toe:
Yes
Yes
Yes
Yes
Y25
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
10. Existing embankment freeboard: feet
il. Increase Decrease in water level: fe t
12. Cracks, bulging, or erosion on upstream face: Yes o N/A
13. Spillway erosion: Yes No N/A
14. `Clogging
Spillway channels: Yes No N/A
Diversion ditches: Yes N N/A
`Major adverse changes in these items could cause instability and should be reported to
the Engineering Manager and Mine Superintendent for further evaluation. Adverse
conditions noted in these items should normally be described (extent, location, volume,
etc.) in the space on the back of this sheet.
Comments:

Total = 7.2:1 N/A
G ~~-~6D v •~ i
47