HYDRO23933

• Permit No: C1981008
• IBM Index Class Name: Hydrology
• Doc Date: 6/27/2001
• Doc Name: 2ND 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: ~,~ ~ b~ Date: ~-~/-2~/
NPDE S ID. No.:CO-0000213 007 Date Last Inspecte d:3-zq_z6o/
Faci lity Configuration:Cross Valley Pond
Site Name: Impoundment #007 Location:47N15W6
Mine Name: New Horizon Mine Location:2 mi.NW o f Nu cla, CO.

Mine ID No.: CMLRD Permit #0006-81
Owne rs Rep.: R. L. Wade Mine Manag er
CIRCLE OR WRITE IN APP ROPRIATE RESPONSE
1. Fou nda[ion Preparation (removal of vegetation , stumps., Copsoi l) ~ No N/A
2. I,i ft thickness (i nche5l
3. Compaction according to approved plan (~ No N/A
4. Burning (specify extend and location) Yes No N/A
S. Angle of slope: ~3:1 upstream, 3:1 downstream
6. Seepage (specify location, color, and approx. volume)
a.l From undecdrain pipes: Yes ~ N/A
h.) At isolated points on embankment slope s: Yes A~ N/A
el AC natural hi115id e: Yes ~ N/A
UI Over wrdesp re dd areas Yes ~ N/A
e) From down5team foundation area Yes ~ N/A
f) "Boils" beneath s[ram or ponded water Yes LNOJ N/A
7. Crac kS or scalps On crest Yes ~ N/A
d. Cracks or scraps on slope Yes ~ N/A
9. Sloughing or bulging on slope Yes N~ N/A
10. Major erosion problems Yes ~ N/A
11. Su[face movements in valley bottom or on hillside Yes ~ N/A
12. Erosion of toe Yes ~Ne' N/A
13. Nater impounded against toe Yes ~N / N/A
/
19. Existing embankment freeboard (feet) ~ 2 Feet
15. Cracks, bulging, or erosion on upsteam face Yes t~ N/A
16. Visible sumps or sinkholes in slurry surface Yes ~ N/A
17. Clogging
a) Spillway channels and pipes Yes ~ N/A
b) Decant system Yes <Nq N/A
c) Diversion Ditches Yes ~ N/A
18. Cracking or crushing of pipes
a) Spillway p' Yes ® N/A
b) Decant sys Yes ~ N/A
19. Trash racks clear {P.e~ No N/A
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