HYDRO23132

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 4/6/1998
• Doc Name: 1st Qtr 1998 Inspections
• From: SENECA COAL CO
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PERIODIC INSPECTION PORN
Stockpoads or Sumps
INSPECTOR'S NAME: Roy Raro
FACILITY CONFIGURATION: Stoc pond
SITE NAME: T-3
MINE NAME: Seneca tl
MINE I.D. NO.: C-80-005
DATE: 03/13/98
DATE LAST INSPECTION: 12/22/97
LOCATION: ~~~~ Sec 11 TSN R87W
LOCATION: 7.1 mi SR of Hayden Co
OWNER'S REP.: Brad Brown, Gen Mq~
1. Angle of elope: a:l upstream, 4:7 downstream Total = _fl:.1_ N/A
2. *Seepage (specify location, color, and approximate volume)
At isolated points on embankment slopes: Yes ~ N/A
At natural hillside: Yes ~ N/A
Over widespread areas: Yes ~ N/A
From downstream foundation area: Yea ~ N/A
"Boils" beneath stream or ponded water: Yes ~ N/A
3. Cracks or acarpa on treat: Yea N® N/A
4. Cracks or acarpa on elope: Yea No N/A
5. Sloughing or bulging on elope: Yes J~o N/A
6. *Maj or erosion problems: Yes ~ N/A
7. Surface movements in valley bottom or on hillside: Yea ~ N/A
8. *Erosion of toe: Yes ~ N/A
9. *Water impounded against downstream toe: Yes No N/A
10. Existing embankment freeboard: approximately ~_ feet
11. Increase Decrease in water level: No change feet
12. Cracks, bulging, or erosion on upstream face: Yee ®° N/A
13. Spillway erosion: Yee ~ N/A
14. *Clogging
Spillway channels: Yee 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 space on the back of this sheet.