HYDRO21619

• Permit No: C1982057
• IBM Index Class Name: Hydrology
• Doc Date: 10/23/1998
• Doc Name: SENECA II-W MINE C-82-057 QTR STOCKPOND INSEPECTIONS
• From: SENECA COAL CO
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PERIODIC INSPECTION FORN
stockponds or Sumps
INSPECTOR'S NAME: BOy Raro
FACILITY CONFIGURATION: ~ o pond
SITE NAME: T-2
MINE NAME: Seneca It-W
MINE I.D. NO.: - C-82-057
DATE: 09/30/98
DATE LAST INSPECTION: 05/12/98
LOCATION: Nwi~cwi~ Sec 22 TSN R88W
LOCATION: 8 mi S of Hayden Co
OWNER'S REP.: Brad Hrown Can Mq~
1. Angle of elope: 3.3:1 upstream, 2.3:1 downstream Total = 5 .6.1 N/A
2. *Seepage (specify location, color, and approximate volume)

At isolated points on embankment elopes: Yes ~ N/A

At natural hillside: Yes N~ N/A
Over widespread areas: Yes ~ N/A
From downstream foundation area: Yee ® N/A
"Boils" beneath stream or ponded water: Yee No N/A
3. Cracks or scarps on treat: Yee No N/A
4. Cracks or scarps on elope: Yee ® N/A
5. Sloughing or bulging on elope: Yee 1~ N/A
6. *Major erosion problems: Yea NO N/A
7. Surface movements in valley bottom or on hillside: Yea N® N/A
8. *Erosion of toe: Yee ® N/A
9. *Water impounded against downstream toe: Yes ~ N/A
10. Existing embankment freeboard: Aonroximately 6.9 feet
11. Increase Decrease in water level: Ho change feet
12. Cracks, bulging, or erosion on upstream face: Yes No N/A
13. Spillway erosion: Yee ® N/A
14. *Clogging
Spillway channels: Yea N/A
Diversion ditches: 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.