HYDRO28718

• Permit No: C1982057
• IBM Index Class Name: Hydrology
• Doc Date: 1/11/1999
• Doc Name: SENECA II-W MINE C-82-057 QTRLY STOCKPOND INSPECTIONS
• From: SENECA COAL CO
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PBRIODIC INSPECTION PORN
Stockpoads or Sumps
INSPECTOR'S NAME: Aev Kare
FACILITY CONFIGURATION: Steckpond
SITE NAME: T-3
MINE NAME: c n a rr-w
MINE I.D. NO.: C-82-057
DATE: ]2/15/98
DATE LAST INSPECTION: 09/30/98
LOCATION: NW3~S~Jt cec 22 TSN" RBBW
LOCATION: a mi S of Rayden CO
OWNER'S REP.: Brad Brown Gen MQr
1. Angle of slope: a.3:t upstream, 2.9:1 downstream Total = 7 .2.1 N/A
2. *Seepage (specify location, color, and approximate volume)
At isolated points on embankment elopes: Yes No N/A
At natural hillside: Yee '~ N/A
Over widespread areas: Yee ~ N/A
From downstream foundation area: Yee /~ N/A
"Boils" beneath stream or ponded water: Yee ~ N/A

3. Cracks or ecarpe on crest: Yee ~ N/A
4. Cracks or ecarpe on elope: Yes ~ N/A
5. Sloughing or bulging on elope: Yee ~ N/A
6. *Major erosion problems: Yes ® N/A
7. Surface movements in valley bottom or on hillside: Yes ~ N/A
8. *Eroeion of toe: Yee o N/A
9. *Water impounded against downstream toe: Yee ~ N/A
10. Existing embankment freeboard: AgpTOximatelX 3.7 feet
11. increase Decrease in water level: No change feet
12. Cracks, bulging, or erosion on upstream face: Yea ~ N/A
13. Spillway erosion: Yee ~ N/A
14. *Clogginq
Spillway channels: Yes ~ N/A
Diversion dit thee: Yes 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 apace on the back of this sheet.