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 FORK
Btockpond^ or 8uspa
INSPECTOR'S NAME: Bny Rare
FACILITY CONFIGORATION: ~ e fiend
SITE NAME: T-17
MINE NAME: senses 22
MINE I.D. NO.: c-s0-005
DATE: 06/29/99
DATE LAST INSPECTION: 03~/,~6/og
LOCATION: cW~cw3~ sec 12 msN Rs7W
LOCATION: 7.1 mi sE of Hayden, CO
OWNER'S REP.: Brad Brown Gen xQz
1. Angle of elope: 3:1 upstream, a.l downstream Total = let N/A
2. *Seepage (specify location, color, and approximate volume)
At isolated points on embankment elopes: Yee ©o N/A
At natural hillside: Yee N~ N/A
over widespread areas: Yee ~ N/A
From downstream foundation area: Yee ~ N/A
"voile" beneath stream or ponded water: Yee ~ N/A
3. Cracks or scarps on crest: Yee ~ N/A
4. Cracks or scarps on elope: Yee ~ N/A
5. 3loughinq or bulging on elope: Yee Io N/A
6. *Major erosion problems: Yee ~ N/A
7. Surface movements in valley bottom or on hillside: Yee ~ N/A
8. *Eroeion of toe: Yee ~ N/A
9. *Water impounded against downstream toe: Yee ~ N/A
10. Existing emba::lm:ent freeboard: see commmente feet
11. Increase Decrease in water level: feet
12. Cracks, bulging, or erosion on upstream face: Yee o N/A
13. Spillway erosion: Yee N N/A
16. *Clogging
Spillway channels: Yee o N/A
Diversion ditchee: Yee 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 apace on the back of this sheet.