HYDRO26497

• Permit No: C1982057
• IBM Index Class Name: Hydrology
• Doc Date: 10/29/2001
• Doc Name: SENECA II-W MINE C-82-057 QTRLY STOCKPOND INSPECTIONS
• From: SENECA COAL CO
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PfiRIODIC INSPECTION FORM
Stockponds or Sumps
INSPECTOR'S NAME: Dennis Bugay
FACILITY CONFIGURATION: Stockpond
SITE NAME: T-1
MINE NAME: Seneca II-W
MINE I.D. NO.: C-82-057
DATE: 08/22/2001
DATE LAST INSPECTION: 03/29/2001
LOCATION: SW'/,S E~/„ Sec 16, TSN, RBBW
LOCATION: 8 mi S of Hayden, CO
OWNER'S REP.: Dennis Bugay
Circle or write in appropriate response
1. Angle of slope: 3:1 upstream, 3:1 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: ~ NO ) N/A
Yes
Over widespread areas: Yes ////~~~~~~ N/A
From downstream foundation area: Yes No
/ NJA
"Boils" beneath stream or ponded water: Yes ~
~ N/A
3. Cracks or scarps on crest: Yes No N/A
9. Cracks or scarps on slope: Yes No N/A
5. Sloughing or bulging on slope: Yes N N/A
6. *Maj or erosion problems: Yes No N/A
7. Surface movements in valley bottom or on hillside: Yes N N/A

8. *Erosion of toe: Yes ~ N/A

9. *Water impounded against downstream toe: Yes No N/A
10. Existing embankment freeboard: Approximately 4. 0 feet
11. x Increase Decrease in water level: feet

12. Cracks, bulging, or erosion on upstream face: Yes ~ N/A
13. Spillway erosion: Yes ~ N/A
14. *Clogging

Spillway channels: Yes ~ N/A
Diversion ditches: Yes 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.