HYDRO25812

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 10/23/1996
• Doc Name: 3rd Qtr 1996 Inspections
• From: SENECA COAL CO
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PERIODIC INSPECTION FORM
Stoekponde or 9umpe
INSPECTOR'S NAME: Rov Karo
FACILITY CONFIGURATION: Stockoond
SITE NAME: T-3
MINE NAME: Seneca II
MINE I.D. NO.: C-80-005
DATE: 09/28/96
DATE LAST INSPECTION: 06/26/96
LOCATION: NEYNEy, Sec 11. TEN. R87W
LOCATION: 7.1 mi SE of Hayden. CO
OWNER'S REP.: Brad Brown. Gen Mar
Circ],e or write in aonrooriate resoonee
1. Angle of elope: 4:1 upstream, 4:1 downstream Total = 8:1 N/A
2. *Seepage (specify location, color, and approximate volume)
At isolated points on embankment slopes: Yea No N/A
At natural hillside: Yes No N/A
Over widespread areas: Yes No N/A
From downstream foundation area: Yes No N/A
"Boils" beneath stream or ponded water: Yes No N/A
3. Cracks or scarps on crest: Yes No N/A
4. Cracks or scarps on slope: Yes No N/A
5. Sloughing or bulging on slope: Yes No N/A
6. *Maj or erosion problems: Yes No N/A
7. Surface movements in valley bottom or on hillside: Yes No N/A
8. *Erosion of toe: Yes No N/A
9. *Water impounded against downstream toe: Yes No N/A
10. Existing embankment freeboard: Aooroximately ~ feet
11. Increase R Decrease in water level: 4 feet
12. Cracks, bulging, or erosion on upstream face: Yes No N/A
13. Spillway erosion: Yes No N/A
14. *Clogging
Spillway channels: Yes No N/A
Diversion ditches: Yes No N/A
*Maj or 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.