HYDRO25785

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 4/15/1996
• Doc Name: 1st Qtr 1996 Inspections
• From: SENECA COAL CO
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PERIODIC INSPECTION FORM
Stockponda or Sumpa
INSPECTOR'S NAME: Rov Karo
FACILITY CONFIGURATION: Stockoond
SITE NAME: T-16
MINE NAME: Seneca II
MINE I.D. NO.: C-SO-005
DATE: 03/14/96
DATE LAST INSPECTION: 12/04/95
LOCATION: SES'.NWS:. Sec 12. TSN, R87W
LOCATION: 7.1 mi SE of Hayden, CO
OWNER'S REP.: Brad Brown. Gen Mar
Circle or write in anorooriate reanonae
1. Angle of slope: 3:1 upstream, 3:1 downstream Total = 6:1 N/A
2. *Seepage (specify location, color, and approximate volume)

At isolated points on emban}ment slopes: Yes No N/A
At natural hillside: Yes N N/A
Over widespread areas: Yes /
N N/A
From downstream foundation area: Yes ® N/A
"Boils" beneath stream or pcnded water: Yes N/A
3. Cracks or scarps on crest: Yes o
~ N/A
4. Cracks or scarps on slope: Yes No N/A
5. Sloughing or bulging on slope: Yes N/A
6. *Maj or erosion problems: Yes ~
N N/A
7. Surface movements in valley bottom or on hillside: Yes No N/A
8. *Erosion of toe: Yes ~ N/A
9. *Water impounded against downstream toe: Yes ® N/A
10. Existing embankment freeboard: Aooroximatelv 9 feet
11. Increase Decrease in water level: No chance feet
12. Cracks, bulging, or erosion on upstream face: Yes ® N/A
13. Spillway erosion: Yes No N/A
14. *Clogging

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 Supex'intendent for further evaluation. Adverse
conditions noted in these items should r_ormally be described (extent, location, volume,
etc.) in the space on the back of this sheet.