HYDRO20121

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 10/21/1994
• Doc Name: 3rd Qtr 1994 Inspection
• 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: Michael G. Alt avilla DATE: 09/28/04
FACILITY CONFIGURATION: Stockoond DATE LAST INSPECTION: 06/08/94
SITE NAME: T-13 SITE LOCATION: NW45E~, Sec 12,T5N,R87W
MINE NAME: Seneca II LOCATION: 7.1 mi SE of Hayden, Colorado
MINE I.D. NO.: C-80-005 OWNER'S REP.: Scott Williams, Suot.
Circle or write in aooropriate resoonse
1
2
Angle of elope: 2:1 upstream, 2:1 downstream
*Seepage (specify location, color, and approximate volume)
At isolated points on embankment elopes:
At natural hillside:
Yes ® N/A
Yea ~ N/A
Over widespread areas: Yes ~ N/A
From downstream foundation area: Yes ® N/A
"Boils" beneath stream or ponded water: Yea ® N/A
3. Cracks or scarps on crest: Yes ® N/A
4. Cracks or scarps on elope: Yes ~ N/A
5. Sloughing or bulging on elope: Yea ® N/A
6. *Major erosion problems: Yes ~9 N/A
7. Surface movements in valley bottom or on hillside: Yee ~ N/A
8. *Eroeion of toe: Yea ® N/A
9. *Water impounded against downstream toe: Yes ~ N/A
10. Existing embankment freeboard: no water feet
11. Increase Decrease in water level: No chance feet
12. Cracks, bulging, or erosion on upstream face: Yes ® N/A
13. Spillway erosion: ~ No N/A
14. *Clogging
Spillway channels: Yes P~IO7 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 apace on the back of this sheet.
Total = 4:1 N/A