HYDRO25693

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 10/16/1997
• Doc Name: 2nd Qtr 1997 Inspections
• From: SENECA COAL CO
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PERIODIC INSPECTION FORM
Stockpoods or Sumps
INSPECTOR'S NAME: B~ Karo
FACILITY CONFIGURATION: aty.oclrnond
SITE NAME: T-25
MINE NAME: Seneca II
MINE I.D. NO.: C-8D-005
DATE: 09/24/97
DATE LAST INSPECTION: 06/2497
LOCATION: SFi,~F'g., gec 2 T5N R87W
LOCATION: 7.1 m; cE of Hay~n_ CO
OWNER'S REP.: Brad Brown Gen Mar
1. Angle of elope: 3:1 upstream, 4:1 downstream Total = 7:1 N/A
2. *Seepage (specify location, color, and approximate volume)
At isolated points on embankment elopes: Yee ~ N/A
At natural hillside: Yes No N/A
Over widespread areas: Yes ~ N/A
From downstream foundation area: Yes No N/A
"Boils" beneath stream or ponded water: Yes o N/A
3. Cracks or scarps on crest: Yee No N/A
4. Cracks or scarps on elope: Yee ® N/A
5. Sloughing or bulging on elope: Yes ~ N/A
6. *Major erosion problems: Yes ~ N/A
7. Surface movements in valley bottom or on hillside: Yee o N/A
8. *Eroeion of toe: Yee N N/A
9. *Water impounded against downstream toe: Yes No 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: Yee N/A
Diversion ditches: Yes ~
No 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 apace on the back of this sheet.