HYDRO27924

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 3/13/2000
• Doc Name: 4th Qtr 1999 Inspections
• From: SENECA COAL CO
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PERIODIC INSPECTION FORM
Stockpoade or Sumps
INSPECTOR'S NAME: Michael Attavi7la
FACILITY CONFIGURATION: Stec pond
SITE NAME: T-1
MINE NAME: c n a rr
MINE I.D. NO.: C-RO-005
DATE: i~/o~J99
DATE LAST INSPECTION: 09/22/99
LOCATION: SE31cW3~ _cec 2 TSN AB7W
LOCATION: 7.1 mi RE of Hayden, GO
OWNER'S REP.: Brad Brown, Gen Mgr
1. Angle of elope: 3:1 upstream, a.1 downstream Total = Z1_ N/A
2. *Seepage (specify location, color, and approximate volume)
At isolated points on embankment elopes: Yes ® N/A
At natural hillside: Yee N® N/A
Over widespread areas: Yee ® N/A
From downstream foundation area: Yes ® N/A
"Boils" beneath stream or ponded water: Yes ~ 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: Yee ~ N/A
7. Surface movements in valley bottom or on hillside: Yes ~ N/A
8. *Eroeion of toe: Yes ~ N/A
9. *Water impounded against downstream toe: Yee ® N/A
10. Existing embankment freeboard: Anoroximately ~ feet
11. Increase Decrease in water level: Ho change feet
12. Cracks, bulging, or erosion on upstream face: Yee ~ N/A
13. Spillway erosion: Yes ~ N/A
14. *clogging
Spillway channels: Yes 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.