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
Siockponds or Sumps
INSPECTOR'S NAME: Roy xaro
FACILITY CONFIGURATION: Stoc pond
SITE NAME: T-70
MINE NAME: Seneca rI
MINE I.D. NO.: C-80-005
1
2
DATE: _ 12/77/97
DATE LAST INSPECTION: 09/24/97
LOCATION: NR3,_c G3~ Sec tt TaN R87W
LOCATION: 7.1 mi aF of HaydenF CO
OWNER'S REP.: Brad Rrown cen Mg~_
Angle of elope: 3:1 upstream, a:l 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:
3. Cracks or scarps on crest:
4. Cracks or scarps on elope:
5
6
7
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: Approximately
11. Increase Decrease in water level:
12. Cracks, bulging, or erosion on upstream face:
13. Spillway erosion:
14. *clogging
Spillway channels:
Diversion ditches:
Yes
Yes No
Yes
Yes
Yes
Yes
Yea No
Yee No
Yee
Yes
Yea No
Yes N
~ feet
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
Yes ~ N/A
Yes ~ N/A
Yea o 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,
Total = ~:~
etc.) in the space on the back of this sheet.