HYDRO24288

• Permit No: C1981008
• IBM Index Class Name: Hydrology
• Doc Date: 4/4/2001
• Doc Name: 1ST QUARTER 2001 INSPECTIONS
• From: NEW HORIZON MINE
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PERIODIC INSPECTION FORM
WATER, SEDIMENT, OR SLURRY IMPOUNDMENTS
Inspectors Name: ~s C~~O. Date: 3-Zqw 7yol
NPDES ID. No.:CO-0000213 009 Date Last Inspected:~Z-Z1-ZA00
Facility Configuration:Side Hill Pond
Site Name: Impoundment #009 Location: 97N16W36C B
Mine Name: New Horizon Mine Location: 2 mi.NW o f Nuc la. CO.

Mine ID No.: CMLRD Permit #0008-61
Owne rs Rep.: R. L. Wade. Mine Manager
CIRCLE OR WRITE IN APPROPRIATE RESPONSE
1. Foundation Preparation ([emoval of vegetation, stumps., topsoil) ~ No N/A
2. Li E[ thickness (inches)
3. Compaction according to approved plan es No N/A
4. Burning (specify extend and location) Yes No N/A
5. Angle of slope: 3:1 upst[eam, 3:1 dovnst ream
6. Seepage (specify location, color, and approx. volume)
a.) F[Om unde[drain pipes: Yes ~ N/A
b.) AC isolated points on embankment slopes: Yes ~ N/A
c) At naCU ral hillside: Yes ~ N/A
d~ Over widespread areas Yes ~ N/A
e) From downsteam foundation area Yes F~7o7~ N/A
fl "Boils" beneath s[ram 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 Ny N/A
]0. Major erasion problems Yes ~ N/A
11. Surface movements in valley bottom of on hillside Yes ~, N/A
12. Erosion of Coe Yes ~ N/A
13. Hater impounded against toe Yes ~ ) IN/A
ld. Existing embankment freeboard (feet) _ 1 i Feet
15. Cracks, bulging, or e[osion on upsteam face Yes ® N/A
16. Visible Sumps or sinkholes in Slurry surface Yes ~p N/A
17. Clogging
al Spillway Channels antl pipes Yes ~ N/A
b) Decant system Yes ® N/A
c) Diversion Ditches Yes ® N/A
18. Cracking or crushing of pipes
al Spillway pi Yes ~ N/A
b) Decant syst Yes ~ N/A
19. Trash raCk9 cleat 2 ~ No N/A
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