HYDRO23762

• Permit No: C1982057
• IBM Index Class Name: Hydrology
• Doc Date: 7/21/1998
• Doc Name: SENECA II-W MINE C-82-057 QUARTERLY STOCKPOND INSPECTIONS
• From: SENECA COAL CO
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PERIODIC INSPECTION FORM
Stockpoade or Sumps
i1 INSPECTOR'S NAME: Aoy Karo
FACILITY CONFIGURATION: Stoc pond
I SITE NAME: m-7
MINE NAME: c neca rr-W
MINE I.D. NO.: C-B2-057
DATE:
DATE LAST INSPECTION: 0a/~/a7
LOCATION: SF~NWSL, c c mSN R88W
LOCATION: 8 mi S of HaydenTr0
OWNER'S REP.: Rr ad Hrown CPn Mg~_
1. Angle of slope: 5.4:1 upstream, 6.2:1 downstream Total = 1 1.6.1 N/A
2. *Seepage (specify location, color, and approximate volume)
At isolated points on embankment slopes: Yes No N/A
At natural hillside: Yes No N/A
Over widespread areas: Yea No N/A
From downstream foundation area: Yes No N/A
"Boils" beneath et ream or ponded water: Yea No N/A
3. Cracks or scarps on crest: Yea No N/A
4. Cracks or scarps on elope: Yes No N/A
5. Sloughing or bulging on slope: Yee No N/A
fi. *Major erosion problems: Yes No N/A
7. Surface movements in valley bottom or on hillside: Yes No N/A
8. *Erosion of toe: Yes No N/A
9. *Water impounded against downet ream toe: Yee No N/A
10. Existing embankment freeboard: feet
11. Increase Decrease in water vel: feet
12. Cracks, bulging, or erosion on upstream face: Yee No N/A
13. Spillway erosion: Yea No N/A
14. *Clogging
Spillway channels: Yes No N/A
Diversion ditchee: Yee 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.