HYDRO24416

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 1/14/1999
• Doc Name: 4th Qtr 1998 Inspections
• From: SENECA COAL CO
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PBRIODIC INSPBCTION PORN
6tockponds or Sumps
INSPECTOR'S NAME: gp,,v Raro
FACILITY CONFIGURATION: stoc npnd
SITE NAME: T-3
MINE NAME: Seneca ii
MINE I.D. NO.: c-aD-005
DATE: ]2~]5,f Q8
DATE LAST INSPECTION: 09/28/98
LOCATION: N_F3,~tr sec tl TSN. R87W
LOCATION: 7.t m' c. o Rayg~. CO
OWNER'S REP.; Hrad Hrown Gen Mq~
1. Angle of elope: ae] upstream, ac] downstream Total = Bel N/A
2. *Seepage (specify location, color, and approximate volume)
At isolated points on embankment elopes: Yes ~ N/A
At natural hillside: Yee No N/A
Over widespread areas: Yes ~ N/A
From downstream foundation area: Yee ~ N/A
"Boils" beneath stream or ponded water: Yes ~ N/A
3. Cracks or scarps on treat: Yee ® N/A
4. Cracks or scarps on elope: Yee ~ N/A
5. sloughing or bulging on elope: Yee ~ N/A
6. *Major erosion problems: Yee ~o N/A
7. Surface movements in valley bottom or on hillside: Yee ~ N/A
8. *Eroeion of toe: Yee N/A
9. *Water impounded against downstream toe; Yes ~
o N/A
10. Existing embankment freeboard: Annroxi~ately 9.0 feet
11. Increase ~ Decrease in water level: 0.5 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.