HYDRO25714

• Permit No: C1982057
• IBM Index Class Name: Hydrology
• Doc Date: 4/2/2007
• Doc Name: 1st Quarter 2007 Stockpond Inspections
• From: Seneca Coal Company
• To: DRMS
• Permit Index Doc Type: Sediment Pond Inspections
• Media Type: D
• Archive: No

PERIODIC INSPECTION FORM
Stockponds or Sumps
INSPECTOR'S NAME: Roy Karo
FACILITY CONFI60RATION: Stockpond
SITE NAME: T-29
MINE NAME: Seneca II-W
MINE I.D. NO.: C-82-057
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Yes I No
Yes \ Nd
feet
~ feet
Yes
Yes
N/A
N/A
N/A
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N/A
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Yes ~ N/A
Yes N/A
*Maj or 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.
Comment s - >~ ~/
DATE: ~ O~ / a/
DATE LA T IL SPECTION:
LOCATION: SW'wcNE'a, Sec 9, TSN, R88W
LOCATION: 8 mi S of Hayden, CO
OWNER'S REP.: Roy Karo, Manager
Circle or write in appropriate response
Angle of slope: 3.9:1 upstream, 4.6:1 downstream Total = 8.5:1
*Seepage (specify location, color, and approximate volume)
At isolated points on embankment slopes: Yes o
At natural hillside: Yes No
Over widespread areas: Yes No
From downstream foundation area: 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
*Maj or erosion problems: Yes No
Surface movements in valley bottom or on hillside: Yes No
*Erosion of toe:
*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:
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