HYDRO28130

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 12/6/1999
• Doc Name: 3rd Qtr 1999 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: M' ha 1 A7 avilla
FACILITY CONFIGURATION: Stoc pond
SITE NAME: T-26
MINE NAME: Seneca II
MINE I.D. NO.: r-RO-005
DATE: 09/22/99
DATE LAST INSPECTION: 069/99
LOCATION: sw}~~, air 22 ,_7'SN R87w
LOCATION: 7.1 m; SF of j~yden, Co
OWNER'S REP.: Brad Brown Gen Mqr
1. Angle of elope: ?:1 upstream, 4:i downstream Total = 7:1 N/A
2. *Seepage (specify location, color, and approximate volume)
At isolated points on embankment slopes: Yea ~ N/A
At natural hillside: Yes No N/A
Over widespread areas: Yes No N/A
From downet ream foundation area: Yee ~ N/A
"Boils" beneath stream or ponded water: Yes ~ N/A
3. Cracks or ecarpe on crest: Yee ~ N/A
4. Cracks or ecarpe on elope: Yes ~ N/A
5. Sloughing or bulging on elope: Yes ~ N/A
6. *Major erosion problems: Yee ~ N/A
7. Surface movements in valley bottom or on hillside: Yes ~ N/A
8. *Erosion of toe: Yee Io
~ N/A
9. *Water impounded against downstream toe: Yee ~ N/A
10. Existing embankment freeboard: Agp ox+ma ~y ~ feet
11. Increase Decrease in Water level: No chance feet
12. Cracks, bulging, or erosion on upstream face: Yes ~ N/A
13. Spillway erosion: Yee p7~1
(~/ N/A
14. *Clogging
Spillway channels: Yee ~ N/A
Diversion ditches: Yee 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 apace on the back of this sheet.