HYDRO28422

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 1/30/1998
• Doc Name: 4th Qtr 1997 Inspections
• From: SENECA COAL CO
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PERIODIC INSPECTION FORM
Stockponds or Sumps
INSPECTOR'S NAME: RQy Karo
FACILITY CONFIGURATION: Stockoond
SITE NAME: T-1
MINE NAME: Seneca II
MINE I.D. NO.: C-80-005
1
2
3
4
5
6
7
DATE: 12/22/97
DATE LAST INSPECTION: 09/24 ~Q7
LOCATION: SE3~SW'~ Sec 2. TSN R87W
LOCATION: 7.1 mi SE of Hayden CO
OWNER'S REP.: Brad Brown, Can Mgr
Angle of slope: 3e1 upstream, 4:1 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 scarps on crest:
Cracks or scarps on elope:
Sloughing or bulging on elope:
*Major erosion problems:
Surface movements in valley bottom or on hillside:
8. *Erosion of toe:
9. *Water impounded against downstream toe:
10. Existing embankment freeboard: Ann ox+ma tv
11. Increase Decrease in water Level: No change
12. Cracks, bulging, or erosion on upstream face:
13. Spillway erosion: -
14. *Clogging
Spillway channels:
Diversion ditches:
Yee ~ N/A
Yee 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.
Total = Z• L N/A
Yes ~ N/A
Yee ~ N/A
Yee N® N/A
Yea ~ N/A
Yee ~ N/A
Yea N® N/A
Yes No N/A
Yee ~ N/A
Yee ~ N/A
Yes ~ N/A
Yes ~ N/A
Yes ~ N/A
_L feet
feet
Yes ~ N/A
Yes ~ N/A