HYDRO25500

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 7/26/1999
• Doc Name: 2nd Qtr 1999 Inspections
• From: SENECA COAL CO
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PERIODIC INBPECTION FORM
etockponda or 8ump^
INSPECTOR'S NAME: Rqy Rare
FACILITY CONFIGURATION: Stockpond
SITE NAME: T-13
MINE NAME: Seneca II
MINE I.D. NO.s c-eD-005
1
2
DATE: OE/29~99
DATE LAST INSPECTION: 03~24~99
LOCATION: NW3`SE3r Sec 12 m5N R87w
LOCATION: 7.1 m± cP of Hayden, CO
OWNER'S RBP.: Brad Brown Gen MQr
Angle of elope: 3ei upstream, 3:1 downstream
+Seepage (specify locution, color, and approximate volume)
At isolated points on embankment elopes:
At natural hillside:
Over widespread areas:
From downstream foundation area:
"Boils" beneath stream or ponded water:
3. Cracks or scarps on treat:
4.
5.
6.
7.
8.
Cracks or scarps on elope:
Sloughing or bulging on elope:
*Major erosion problems:
Surface movements in valley bottom or on hillside:
+Eroeion of toe:
9. *Water impounded against downstream toe:
10. 8xieting embankment freeboard: A~nroximatel~
11. Increase Decrease in water level: xe change
12. Cracks, bulging, or erosion on upstream face:
13. Spillway erosion: _
14. *Clogging
Spillway channels:
Diversion ditches:
Yee ~ NSA
Yee ~ N/A
Yee ~ N~A
Yee ® N~A
Yee ® N/A
Yee ~ N/A
Yee ~ N~A
Yee ~ N/A
Yee ~ N~A
Yee ® N~A
Yee ~ N~A
Yee ~ N~A
~ feet
feet
Yee ~y N/A
Yee ,M3~ N/A
Yee ~ N/A
Yee 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,
Total = 6e1 N~A
etc.) in the apace on the back of this sheet.