HYDRO21160

• Permit No: C1981008
• IBM Index Class Name: Hydrology
• Doc Date: 9/14/1999
• Doc Name: 3RD 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:~_~t ~ ~~ Date: 9_y_gq
NPDES ID. No.:CO-0000213 006 Date Last Inspected : (s_/1-q 9
Facil ity Configuration:Cross Valley Pond
Site Name: Impoundment #006 Location:9 7N16W36AC
Mine Name: New Horizon Mine Location:2 mi.NW of Nucla . CO.

Mine ID No.: CMLRD Permit #0008-81
Owners Rep.: R. L. Wade, Mine Manager
CIRCLE OR WRITE IN APPROPRIATE R ESPONSE
1. Foundation Preparation (removal of vegetation, stumps., tops oil) ® No N/A
2. Lift thickness (inches)
3. Compaction according to approved plan ~ No N/A
4. Burning (specify extend and location) Yes ~. N/A
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 ~ [J/A
c) At natu[al hillside: Yes PI~ N/A
d) Over wides plead areas Yes (FIDE N/A
eI From downsteam foundation area Yes ~ N/A
f) "Boils" beneath stram or ponded water Yes ® !]/A
7. Cracks or Scalps on crest Yes Qo N/A
B. Cracks or scraps on slope Yes ~ N/A
9. Sloughing or bulging on slope Yes ~ tJ/A
10. Major erosion problems 1'es ® N/A
11. Surface movements in valley bottom or on hillside Yes J~ N/A
12 Erosion of toe ~ Yes ® IJ/A
13. Water impounded against toe Yes ~ ~ H/A
19. Existing embankment freeboard (feet) ~ Feet
15. Cracks, bulging, or erosion on upsteam face Yes ® N/A
16. Visible sumps or sinY.hol es in slurry surface Yes ® N/A
17. Clogging
a) Spillway channels and pipes Yes ® N/A
b) Decant System Yes ~ N/A
c) Diversion Ditches Yes ® N/A
18. Cracking or crushing of pipes
aI Spillway pipes Yes ® N/A
b) Decant system 't es ® [J/A
19. Trash racks clear and in N/A

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