HYDRO22074

• Permit No: C1981008
• IBM Index Class Name: Hydrology
• Doc Date: 3/14/2000
• Doc Name: 1ST QUARTER 2000 INSPECTION
• 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: 1035 G,,1ok.., Date: 3- to-ZaoD
NPDES ID. No.:CO-0000213 006 Date Last Inspected: ~ IZ_6-19R g
Facility Configuration:Cross Valle ~ Pond
Site Name: Impoundment #006 Location:97N16W36AC
Mine Name: New Horizon Mine Location:2 mi.NW of Nucla, CO.
Mine ID No.: CMLRD Permit #0008-61
Owners Rep.: R. L. Wade, Mine Manager
CIRCLE OR WRITE IN APPROPRIATE RESPONSE
1. Foundation Preparation (removal of vegetation, stumps., topsoil) ~ No N/A
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Lift thickness (inches)
Compaction according Co approved plan
Burning (specify extend and loca [i onl
Angle of slope: J~1 upstream, 3:1 downstream
Seepage (specify location, color, and approx. volume)
a.l From underd rain pipes:
b.l At isolated points on embankment slopes:
c) A[ natural hillside:
d) Over widespread areas
e) From downs[eam foundation area
f) "Boils" beneath stcam or ponded water
Cracks or scarps on crest
Cracks or scraps on slope
Sloughing or bulging on slope
Major e[osion problems
Surface movements in valley bottom or on hillside
Erosion of toe
water impounded against toe
Existing embankment freeboard (feet)
Cracks, bulging, or erosion on ups team face
Visible sumps or sinkholes in slurry surface
Clogging
aI Spillway channels and pipes
b) Decant system
c) Diversion Ditches
Cracking or crushing of pipes
al Spillway pipes
bl Decant system
Trash racks clear and in pl
Bona 15 D~
c:\data\wpda[a\damform.doc
No N/A
Yes Np, N/A
Yes ~ N/A
Yes ~ N/A
Yes ~ N/A
Yes ~ ~ N/A
Yes ® N/A
Yes ~ N/A
Yes ~ N/A
Yes ® N/A
Yes ~ N/A
Yes ~ N/A
Yes ® N/A
Yes ® N/A
Yes I ® N/A
~ Feet
Yes ® N/A
Yes No N/A
Yes ~ N/A
Yes ® N/A
Yes ® N/A
Yes
Yes
~~
Y~ N/A
® N/A
No N/A
3~/o-Z+o