HYDRO28718

• Permit No: C1982057
• IBM Index Class Name: Hydrology
• Doc Date: 1/11/1999
• Doc Name: SENECA II-W MINE C-82-057 QTRLY STOCKPOND INSPECTIONS
• From: SENECA COAL CO
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PBRIODIC INSPECTION FORM
Btockponda or Sumps
INSPECTOR'S NAME: Roy Rare
FACILITY CONFIGURATION: c o vend
SITE NAME: T-1
MINE NAME: c n a rr-W
MINE I.D. NO.: c-82-057
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DATE: 12/ld/98
DATE LAST INSPECTION: 09/30/98
LOCATION: cw~_c83, c~t6 T5N R88w
LOCATION: B mi S of Hayden CO
OWNER'S ASP.: Brad Brown. _ n Mqr_
Angle of elope: 3.1 upstream, 3:1 downstream
*Seepage (specify location, color, and approximate volume)
At isolated points on embankment elopes:
At natural hillside:
Over widespread areas:
From downstream foundation area:
"Boils" beneath stream or ponded water:
Cracks or ecarpe on creel:
Cracks or ecarpe on elope:
Sloughing or bulging on elope:
*Major erosion problems:
Surface movements in valley bottom or on hillside:
*Eroeion of toe:
9. *Water impounded against downstream toe:
30. Existing embankment freeboard: Annroximately
il. Increase Decrease in water level: No change
12. Cracks, bulging, or erosion on upstream face:
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Spillway erosion: _
*Clogging
Spillway channels:
Diversion ditches:
Yes No N/A
Yes No N/A
Yee No N/A
Yee ®o N/A
Yee ©o N/A
Yee ~ N/A
Yes a N/A
Yes No N/A
Yea No N/A
Yee ~ N/A
Yes ~ N/A
Yes ~ N/A
3.D feet
_ feet
Yee ~ N/A
Yee ~ N/A
Yee N/A
Yee o N/R
*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,
Total = 6:1 N/A
etc.) in the apace on the back of this sheet.