HYDRO21829

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 10/23/1998
• Doc Name: 3rd Qtr 1998 Inspections
• From: SENECA COAL CO
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PBRIODIC INSPECTION FORK
Stockpoads or Sumps
INSPECTOR'S NAME: Rev xaro
FACILITY CONFIGDRATZON: ~ o gpnd
SITE NAME: T-30
MINE NAME: Seneca 2I
MINE I.D. NO.: C-80-005
DATE: 09/28/98
DATE LAST INSPECTION: 05~>~/9B
LOCATION: SW31NW~ Sec 1 T5N" R67W
LOCATION: 7.1 mi SH of Hayden GO
OWNER'S REP.: Rrad Brown Gen Mar
1. Angle of elope: 4:1 upstream, a:1 downstream Total = R.1 N/A
2. *Seepage (specify location, color, and approximate volume)
At isolated points on embankment elopes: Yes No N/A
At natural hillside: Yes ~ N/A
Over widespread areas: Yea ® N/A
From downstream foundation area: Yes ® N/A

"BOile" beneath et ream or ponded water: Yee ~ N/A
3. Cracks or scarps on crest: Yes ~ N/A
4. Cracks or scarps on elope: Yee ~ N/A
5. Sloughing or bulging on elope: Yee ~ N/A
6. *Major erosion problems: Yee ~ N/A
7. Surface movements in valley bottom or on hillside: Yee N/A
8. *Erosion of toe: Yea ~
N N/A
9. *Water impounded against downet ream toe: Yee ~ N/A
10. Existing embankment freeboard: Annroximately -Z feet
11. Increase Decreaee in water level: Ne change feet
12. Cracks, bulging, or erosion on upstream face: Yea ® N/A
13. Spillway erosion: Yes ® N/A
14. *Clogginq
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 apace on the back of this sheet.