HYDRO22851

• Permit No: C1982057
• IBM Index Class Name: Hydrology
• Doc Date: 10/15/1997
• 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
Stockpoads or Sumps
INSPECTOR'S NAME; R~ Raro
FACILITY CONFIGURATION: Stockpond
SITE NAME: T-2.
MINE NAME: c n a 7r-W
MINE I.D. NO.: C-82-057
DATE: 09/25j97
DATE LAST INSPECTION: OE/23~97
LOCATION: NW~SW~ yP_r ~2 TcN R88W
LOCATION: 8 m, S of Hayden Co
OWNER'S REP.: Rrad Brown, GPn Mgt.
1. Angle of slope: ~.3:i upstream, 2.3:7 downetream Total = S 6.1 N/A
2. *Seepage (specify location, color, and approximate volume)

At isolated points on embankment slopes:
Yee ~~~~
/nod
~
N/A
At natural hillside: Yee ~ N/A
Over widespread areas: Yee do
~ N/A
From downetream foundation area: Yee ~ N/A
"Boils" beneath stream or ponded water: Yes ~ N/A
3. Cracks or scarps on crest: Yes ~ NjA
4. Cracks or scarps on elope: Yee o N/A
5. Sloughing or bulging on elope: Yes o N/A
6. *Major erosion problems: Yee NjA
7. Surface movements in valley bottom or on hillside: Yee ~
o N/A
8. *Erosion of toe: Yes 22a
~~~ N/A
9. *Water impounded against downetream toe: Yes ~
o NJA
10. Existing embankment freeboard: Annroximately 6.9 feet
11. Increase ~ Decrease in water level: 2.0 feet
12. Cracks, bulging, or erosion on upstream face: Yee No N/A
13. Spillway erosion: Yes ~ N/A
14. *Clogging

Spillway channels: Yes N/A
Diversion ditches: Yee ~
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 space on the back of this sheet.