HYDRO21619

• Permit No: C1982057
• IBM Index Class Name: Hydrology
• Doc Date: 10/23/1998
• Doc Name: SENECA II-W MINE C-82-057 QTR STOCKPOND INSEPECTIONS
• From: SENECA COAL CO
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PBRIODIC INSPBCTION FORN
Stockponds or Sumps
INSPECTOR'S NAME: Acv Karo
FACILITY CONFIGURATION: stoc Bond
SITE NAME: T-1
MINE NAME: Seneca II-W
MINE I.D. NO.: c-B2-057
DATE: 09/30/9A
DATE LAST INSPECTION: OS/~/48
LOCATION: SW'~SES. Sec 16 TSN RBBW
LOCATION: 8 mi c of Haydgn, CO
OWNER'S REP.: Brad Arown, Gen Mqr
1. Angle of elope: 3:1 upstream, 3:1 downstream Total = 6:1 N/A
2. *Seepage (specify location, color, and approximate volume)
At isolated points on embankment elopes: Yea ~ N/A
At natural hillside: Yee ~ N/A
Over widespread areas: Yes N® N/A
From downstream foundation area: Yes ~ N/A
"Boils" beneath stream or ponded water: Yes ~ N/A
3. Cracks or scarps on crest: Yes ® N/A
4. Cracks or scarps on elope: Yes ~ N/A
5. Sloughing or bulging on elope: Yee ® N/A
6. *Major erosion problems: Yea ®o N/A
7. Surface movements in valley bottom or on hillside: Yee )~ N/A
B. *Erosion of toe: Yea ® N/A
9. *Water impounded against downstream toe: Yee ~ N/A
10. Existing embankment freeboard: Ao~oroximately! 3.0 feet
11. Increase Decrease in water level: No change feet
12. Cracks, bulging, or erosion on upstream face: Yee ~ N/A
13. Spillway erosion: Yee ~ N/A
14. *Clogging
Spillway channels: Yee ~ N/A
D ivereion ditches: 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 apace on the back of this sheet.