HYDRO26487

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 4/14/1995
• Doc Name: 1st Qtr 1995 Inspections
• From: SENECA COAL CO
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PERIODIC INSPECTION FORM
Stackponds or 9umpe
INSPECTOR'S NAME: Michael G. Altavilla
FACILITY CONFIGURATION: Stockoond
SITE NAME: T-1
MINE NAME: Seneca II
MINE I.D. NO.: C-80-005
DATE: 03/31/95
DATE LAST INSPECTION: 12/13/94
LOCATION: SEi:SW3:, Sec 2. T5N, R87W
LOCATION: 7.1 mi SE of Hayden. CO
OWNER'S REP.: Scott Williams. Gen Mar
Circle or write in aonrooriate rasoonse
1. Angle of slope: 3:1 upstream, 4:1 downstream Total = 7_1 N/A
2. *Seepage (specify location, color, and approximate volume)
At isolated points on embankment slopes: Yes o N/A
At natural hillside: Yes N/A
Over widespread areas: Yes N 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 o N/A
9. Cracks or scarps on slope: Yes No N/A
5. Sloughing or bulging on slope: Yes No N/A
6. *Major erosion problems: Yes No N/A
7. Surface movements in valley bottom or on hillside: Yes o 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 2 feet
11. Increase Decrease in water level: No chance feet
12. Cracks, bulging, or erosion on upstream face: Yes No N/A
13. Spillway erosion: es No N/A
14. *Clogging
Spillway channels: Yes No 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.