HYDRO27088

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 6/20/1994
• Doc Name: 2nd Qtr 1994 Inspections
• From: PEABODY WESTERN
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PERIODIC INSPECTION FORM
Stockponds or Sumps
INSPECTOR'S NAME: Tom Wainwrioht DATE: 06/8/94
FACILITY CONFIGURATION: Stockpond DATE LAST INSPECTION: 3/30/94
SITE NAME: T-1 SITE LOCATION: SE~SW'., Sec 2, TSN, R87W
MINE NAME: Seneca II LOCATION: 7.1 mi SE of Havden, Colorado
MINE I.D. NO.: C-80-005 OWNER'S REP.: Scott Williams, Supt.
Circle or write in appropriate response
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 ~~ N/A
At natural hillside: Yes ® N/A
Over widespread areas: Yes No N/A
From downstream foundation area: Yes ~ N/A
"Boils" beneath stream or ponded water: Yes ~ N/A
3. Cracks or scarps on crest: Yes ~ N/A
4. Cracks or scarps on slope: Yes ~ N/A
5. Sloughing or bulging on slope: Yes 'o N/A
6. "Major erosion problems: Yes No N/A
7. Surface movements in valley bottom or on hillside: Yes ~io N/A
8. *Erosion of toe: Yes ~ N/A
9. *Water impounded against downstream toe: Yes No N/A
10. Existing embankment freeboard: from crest 1 feet (approx)
11. X Increase Decrease in water level: Approx. .5 feet
12. Cracks, bulging, or erosion on upstream face: Yes ~ N/A
13. Spillway erosion: es No N/A
14. *Clogging
Spillway channels: Yes ~ N A
Diversion ditches: Yes No
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.