HYDRO28422

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 1/30/1998
• Doc Name: 4th Qtr 1997 Inspections
• From: SENECA COAL CO
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PERIODIC INSPECTION FORM
Stockpoads or Sumps
INSPECTOR'S NAME: Roy Karo
FACILITY CONFIGURATION: Stocknond
SITE NAME: T-28
MINE NAME: Seneca 7T
MINE I.D. NO.: C-80-005
DATE: 1,2/22/97
DATE LAST INSPECTION: 09/24[97
LOCATION: ~E_'d~'~ c mSN. R87W
LOCATION: 7.t m; cc of Hyodgn. CO
OWNER'S REP.: Brad Brown. Gen Mqr
1. Angle of elope: 3:1 upstream, 4:t downstream Total = 7:t N/A
2. *Seepage (specify location, color, and approximate volume)

At isolated points on embankment slopes: Yes ~ N/A
At natural hillside: Yee No N/A
Over widespread areas: Yea ~ N/A
From downstream foundation area: Yes ® N/A
"Boils" beneath stream or ponded water: Yea N® N/A
3. Cracks or scarps on crest: Yes No N/A
4. Cracks or scarps on slope: Yee No N/A
5. Sloughing ar bulging on elope: Yee N/A
6. *Major erosion problems: Yes ~
N N/A
7. Surface movements in valley bottom or on hillside: Yes No N/A
8. *Eroeion of toe: Yee o N/A
9. *Water impounded against downstream toe: Yee ~ N/A
10. Existing embankment freeboard: Annroximately ~ feet
11. Increase Decrease in water level: No change feet
12. Cracks, bulging, or erosion on upstream face: Yes ® N/A
13. Spillway erosion: Yes ® N/A
14. *Clogging

Spillway channels:
Yes hh
N/A
Diversion ditches: Yea ~
o 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.