HYDRO25693

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 10/16/1997
• Doc Name: 2nd Qtr 1997 Inspections
• From: SENECA COAL CO
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PERIODIC INSPECTION FORM
stockpoods or sumps
INSPECTOR'S NAME: Roy Raro
FACILITY CONFIGURATION: Stockpond
SITE NAME: T-26
MINE NAME: Seneca rI
MINE I.D. NO.: C-80-005
DATE: 09/24/97
DATE LAST INSPECTION: 06/24/97
LOCATION: cWi~NF.il, Sec 2 TSN R87W
LOCATION: 7.1 m; SE of Hayes, CO
OWNER'S REP.: 8 ad Brown. _ n Ma
1. Angle of slope: 3:] upstream, 4:1 downstream Total = 7:t N/A
2. *Seepage (specify location, color, and approximate volume)
At isolated points on embankment slopes: Yes ~ N/A
At natural hillside: Yes No N/A
Over widespread areas: Yee ~ N/A
From downstream foundation area: Yea ~ N/A
"Boils" beneath stream or ponded water: Yes ~ N/A
3. Cracks or scarps on crest: Yee ~ N/A
4. Cracks or scarps on elope: Yea ~ 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: Yes ~ N/A
8. *Eroeion of toe: Yee ©o N/A
9. *Wat er impounded against downstream toe: Yes ~ N/A
10. Existing embankment freeboard: Annroximately ~_ feet
11. ~C- Increase Decrease in water level: _2 feet
12. Cracks, bulging, or erosion on upstream face: Yes IOo N/A
13. Spillway erosion: Yee ~ N/A
14. *Clogging
Spillway channels: Yee N/A
Diversion ditches: Yes ~
No 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.