HYDRO24525

• Permit No: C1981008
• IBM Index Class Name: Hydrology
• Doc Date: 4/9/1998
• Doc Name: 1ST QUARTER 1998 INSPECTIONS
• From: NEW HORIZON MINE
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PERIODIC INSPECTION FORM
WATER, SIDII~1T, OR SLURRY
Inspectors Name: ~i, ~J,1G~
NPDES ID. No.:CO-0000213 005
Date : ~- L - 4S
Date Last Inspected:/-ic~.97
Facility Configuration:Side Hill Pond
Site Name: Impoundment #005 Location :47N16W36AD
Mine Name: New Horizon Mine Location :2 mi.NW o f Nu cla, CO.

Mine ID No.: CMLRD Permit #0008-81
Owners Rep.: R. L. Wade. Mine Manager
CIRCLE OR WRITE IN APPROPRIATE RESPONSE
1. Foundation Preparation (remo~ral of vegetation, sturtq~s., topsoil) ~ No N/A
2. Lift thickness (inches)
3. Cortgaction according to approved plan ® No tJ/A
4. Burning (specify extend and location) Yes ~ N/P.
5. Angle of slope: 3:1 upstream, 3'1 downstream
6. Seepage (specify location, color, and approx. volume)
a.) From underdrain pipes: Yes ~ N/A
b.) At isolated points on embankment slopes: Yes ~ ~ N/A
c) At natural hillside: Yes N® N/A
d) Over widespread areas Yes ~ N/A
e) From downstream foundation area Yes ® N/A
f) "Boils" beneath scream or ponded water Yes ® N/A
7. Cracks or scarps on crest Yes ® N/A
8. Cracks or scraps on slope Yes ® N/A
9. Sloughing or bulging on slope Yes ® N/A
10. Major erosion problems Yes ~ N/A
11. Surface movements in valley bottan or on hillside Yes Q~ N/A
12. Erosion of tce Yes ~ N/A
13. Water irtq~ounded against tce Yes ~ ® N/A
19. 6cisting embankment freeboard (feet) ~~ L Feet
15. Cracks, bulging, or erosion on vpstream face Yes ® N/A
16. Visible sunq~s or sinkholes in slurry surface Yes '~C N/A
17. Clogging
a) Spillway channels and pipes Yes ® N/A
b) Decant system Yes ® N/A
c) Diversion Ditches Yes No N/A
18. Cracking or crnshing of pipes
a) Spillway pipes Yes No N/A
b) Decant system Yes No N/A
19. 1Yash racks clear and in place _ Yes No N/A

~ z - 98