HYDRO21702

• Permit No: C1981008
• IBM Index Class Name: Hydrology
• Doc Date: 12/10/1999
• Doc Name: 4TH QUARTER 1999 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: 1 _ ~ ~ ,~.k~ Date: \Z_~_~9
NPDES ID. No.:CO-0000213 009 Date Last Inspected: q- q _ q°t
Facil ity Configuratior.:Side Hill Pond
Site Name: Impoundment #009 Location:9 7N16W36CB
Mine Name: New Horizon Mine Location:2 mi.NW of Nucla, CO.

Mine ID No.: CMLRD Permit #0008-81
Owner s Rep.: R. L. Wade. Mine Manager
CIRCLE OR WRITE IN APPROPRIATE R ESPONSE
1. Foundation Preparation (removal of vegetation, stumps., tops orll ~, No N/A
2. Lift thickness (inches)
3. Compaction accordrnq to approved plan ~ No N/A
4. Burning (specify er.tend and location) Yes ~p N/A
5. Angle of slope: 3:1 upstream, 3:1 downstream
E. Seepage (specify loca Cr on, color, and app ror,. volume)
a.) From underdrain pipes: Yes (f1 N/A
b.) P.t isolaCeU poinCS on embanY.ment slopes: Yes © N/A
c) At naCUral hillside: Yes N N/A
d) Over widespread areas _ Yes © N/A
e) From downsteam foundation area _ Yes ~ N/A
fl 'Boils" beneath stram or ponded water _ Yes Q N/A
7. Cracks or Scarps on crest Yes ® N/A
B. Cracks or scraps on slope Yes ~j N/A
9. Sloughing or bulging an slope- 'i es ® N/A
10. Ma]or eiOSion problems Yes ® N/A
11. Surface movements in valieq bot[om or on hi; lside k'es ~ NiA
12. Erosion of toe Yes ® N/A
13. Water impounded against [oe Yes ~ J J© N/A
14. Existing eJMankment freeboard (feet) II Z Feet
15. Cracks, bul ginq, er erosion on upsteam face Yes ~ N!A
1G. Visible Sumps m sinkholes in slurry Surface Yes ® N/A
17. Clogging
a) Spillway channels and pipes _ Yes Q tJ/A
bl Decant sv's Cem ]'e5 Llr N/A
c) Diversion DiCCh as Yes ~ N/A
18. Cracking or crushing of pipes
a) Spillway pipes 'i es 7~p N/A
G) Decant system _ Yes ® N/A
19. Trash rack clear and in place es No H/A
~a~a ,5 a~
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