HYDRO21829

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 10/23/1998
• Doc Name: 3rd Qtr 1998 Inspections
• From: SENECA COAL CO
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PERIODIC INSPECTION FORK
Btockposds or Sumps
INSPECTOR'S NAME: Aoy Karo
FACILITY CONFIGURATION: Stoc pond
SITE NAME: T-11
MINE NAME: Seneca I1
MINE I.D. NO.: C-80-005
DATE: 09/28/98
DATE LAST INSPECTION: 05/12/98
LOCATION: NW3~~3~ ~ TcN R87W
LOCATION: 7.1 m; cup of Hayden. CO
OWNER'S REP.: Brad Brown Cen Mer
1. Angle of elope: 3:1 upstream, 2:1 downstream
2. *Seepage (specify location, color, and approximate volume)
At isolated points on embankment elopes:
At natural hillside:
over widespread areas:
From downstream foundation area:
"Boils" beneath stream or ponded water:
3. Cracks or scarps on treat:
4. Cracks or scarps on elope:
5. Sloughing or bulging on elope:
6. *Major erosion problems:
7. Surface movements in valley bottom or on hillside:
8. *Eroaion of toe:
9. *Water impounded against downs ea e:
10. Existing embankment freeboar see comments
11. Increase Decrease 'n water level:
12. Cracks, bulging, or erosion on u am face:
13. Spillway erosion:
14. *Clogging
Spillway channels:
Diversion ditches:
Yee No N/A
Yee No N/A
Yes No N/A
Yes No N/A
Yee No N/A
Yes No N/A
Yee No N/A
Yes No N/A
Yes No N/A
Yes No N/A
Yes No N/A
Yes No N/A
feet
feet
Yee No N/A
Yee No N/A
Yes No N/A
Yee No N/A
*Major adverse ehangee 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.
Total = 5:1 N/A