HYDRO22082

• Permit No: C1982057
• IBM Index Class Name: Hydrology
• Doc Date: 10/24/2005
• Doc Name: 3rd Qtr 2005 Stockpond Inspections
• From: Seneca Coal Company
• To: DMG
• Permit Index Doc Type: Sediment Pond Inspections
• Media Type: D
• Archive: No

PERIODIC INSPECTION FORM
Stockgoads or Sumps
INSPECTOR'S NAME: Roy Karo
FACILITY CONFIGURATION: Stockpond
SITE NAME: T-24
MINE NAME: Seneca II-W
MINE I.D. NO.: C-82-057
DATE: ~ %/~v/07
DATE LAST INSPECTION:
LOCATION: SW~JE}(, Sec 9, TSN, R88W
LOCATION: 8 mi S of Hayden, CO
OWNER'S REP.: Gregg Kitchen Gen.Mgr.
Circle or write in appropriate response
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Angle of slope: 3.9:1 upstream, 4.6:1 downstream
*Seepage (specify location, color, and approximate volume)
At isolated points on embankment slopes:
At natural hillside:
Over widespread areas:
From downstream foundation area:
Total = 8.5:1
Yes No
Yes No
Yes No
Yes No
"Boils" beneath stream or ponded water: Yes No
Cracks or scarps on crest: Yes No
Cracks or scarps on slope: Yes No
Sloughing or bulging on slope: Yes No
*Major erosion problems: Yes No
Surface movements in valley bottom or on hillside: Yes No
*Erosion of toe: Yes No
*Water impounded against downstream toe:
Existing embankment freeboard:
Increase Decrease in water level:
Cracks, bulging, or erosion on upstream face:
Spillway erosion:
*Clogging
Spillway channels:
Diversion ditches:
Yes
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
feet
_ f
Yes No N/A
Yes No /A
Yes No N/A
Yes 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 space on the back of this sheet.
Comments: ~/ Yom' y _ ~ ~ € ~~~1Y22~~