HYDRO27481

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 4/27/1999
• Doc Name: SENECA II MINE C-80-005 QUARTERLY STOCKPOND INSPECTIONS
• From: SENECA COAL CO
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PSRIODIC INSPECTION P0RD7
Stockpoads or Sumps
INSPECTOR'S NAME: Ao~Kare
FACILITY CONFIGURATION: ~ o Pend
SITE NAME: T-5
MINE NAME: Seneca II
MINE I.D. NO.: C-80-005
DATE: 03/24/99
DATE LAST INSPECTION: 12/15/98
LOCATION: ~W'+NF"k amt t T5N R87W
LOCATION: 7.1 mi S6 of Ra en, CO
OWNER'S REP.: Rrad 8rewn ten M~
1. Angle of elope: 2c1 upstream, 4:1 downstream Total = 6e1 N/A
2. *Seepage (specify location, color, and approximate volume)
At isolated points on embankment elopes: Yee ~ N/A
At natural hillside: Yes N® N/A
Over widespread areas: Yee N~ N/A
From downstream foundation area: Yee ~ N/A
"Boils" beneath stream or ponded water: Yee ~ N/A
3. Cracks or scarps on treat: Yes ~ N/A
4. Cracks or scarps on elope: Yee ~ N/A
5. Sloughing or bulging on slope: Yee i~ N/A
6. *Major erosion problems: Yee ® N/R
7. Surface movements in valley bottom or on hillside: Yee ®o N/A
S. *Eroeion of toe: Yes ~o N/A
9. *Water impounded against downstream toe: Yes ~ N/A
10. Existing embankment freeboard: approximately ~ feet
11. ~ Increase Decrease in water level: ~ feet
12. Cracks, bulging, or erosion on upstream face: Yee ~c N/A
13. Spillway erosion: Yee ~ N/A
14. *Clogging

Spillway channels: Yee 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.