HYDRO22967

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 10/26/2001
• Doc Name: 3rd Qtr 2001 Inspections
• From: SENECA COAL CO
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PERIODIC INSPECTION FORM
Stockponda or Sumps
INSPECTOR'S NAME:Dennis Bugay DATE: 08/17/2001
FACILITY CONFIGURATION: Stockpond DATE LAST INSPECTION: 03/31/2001
SITE NAME: _ T-5 LOCATION: SW~/,IdE`/„ Sec 11, TS N, R87W
MINE NAME: Seneca II LOCATION: 7.1 mi SE of Hayden, CO
MINE I.D. NO.: C-80-005 OWNER'S REP.: Gregg Kitchen Gen. Mgr.
Circle or write in appropriate response
1. Angle of slope: 2:1 upstream, 4:1 downstream Total = 6:1 N/A
2. *Seepage (specify location, color, and approximate volume)
At isolated points on embankment slopes: Yes No N/A
At natural hillside: Yes No

Over widespread areas: Yes ~ N/A
From downstream foundation area: Yes ~ N/A
"Boils" beneath stream or ponded water: Yes No N/A
3. Cracks or scarps on crest: Yes No N/A
I. Cracks or scarps on slope: Yes No N/A
5. Sloughing or bulging on slope: Yes No N/A
6. *Major erosion problems: Yes No N/A
7. Surface movements in valley bottom or on hillside: Yes No N/A
8. *Erosion of toe: Yes N N/A

9. *water impounded against downstream toe: Yes ~ N/A
10. Existing embankment freeboard: Approximately 2 feet
11. Increase x Decrease in water level: 2 feet
12. Cracks, bulging, or erosion on upstream face:
13. Spillway erosion:
14. *Clogging
Spillway channels:
Diversion ditches:
Yes No N/A
Yes No N/A
Yes N/A
Yes N/A
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.