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 PORN
Stockpoade or Sumps
INSPECTOR'S NAME: EIIy ICaro DATE: 05/12/98
FACILITY CONFIGURATION: Stoc pond DATE LAST INSPECTION: 0~,/L/98
SITE NAME: T-22 LOCATION: SE3,SWl~,_Sec 10 T5N R88W
MINE NAME: Seneca II-W LOCATION: 8 m, _c of Haysjpn~ CO
MINE I.D. NO.: C-82-057 OWNER'S REP.: Brad Brown. Gen Mar
1. Angle of elope: 3.5:1 upstream, 2.5:1 downstream Total = 6:1 N/A
2. *Seepage (specify location, color, and approximate volume)
At isolated points on embankment elopes: Yee No N/A
At natural hillside: Yee No N/A
Over widespread areas: Yes No N/A
From downstream foundation area: Yes No N/A
"Boils" beneath stream or ponded water: Yes No N/A
3. Cracks or scarps on treat: Yes No N/A
4. Cracks or scarps on elope: Yes No N/A
5. Sloughing or bulging on elope: Yes No N/A
6. *Major erosion problems: Yes No N/A
7. Surface movements in valley bottom or on hillside: Yea No N/A
8. *Eroeion of toe: Yee No N/A
9. *Water impounded against downstream toe: Yes No N/A
10. Existing embankment freeboard: ee comments feet
11. Increaee Decrease in water level: feet
12. Cracks, bulging, or erosion on upstream face: Yea No N/A
13. Spillway erosion: Yee No N/A
14. *Clogging
Spillway channels: Yee No N/A
Diversion ditches: 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.