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:~oy~ G_,~., Date: q _q_ yq

NPDES ID. No.:CO-0000213 007 Date Last Inspected: `,~~_q g
Facility C onfiguration:Cross Valley Pond
Site Name: Impoundment #007 Location:97N15W6
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 RESPONSE
1. Foundation Preparation (removal of vegetation, stumps., topsoil) ~ No
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Lift thickness )inches)
Compaction according to approved plan
Burning (specify extend and location)
Angle of slope: 3:1 upstream, 3:1 downstream
Seepage (specify location, color, and approx. volume)
a.) From underdrain pipes:
b.) At isolated points on embankment slopes:
cI At natural hillside:
d7 Over wrdespread areas
e) From downsteam foundation area
fl "Boils" beneath stram or ponded water
Cracks or scarps on crest
Cracks or scraps on slope
Sloughing or bulging on slope
Mayor ero5lon problems
Surface movements in valley bottom or on hrllsrde
Erosion of toe
water impounded against toe
Existing embankment freeboard (feet)
Cracks, bulging, or erosion on upsfeam face
Visible sumps or sin Y.holes in slurry surface
Clogging
a) Spillway channels and pipes
b) Decant system
cI Diversion Ditches
Cracking or crushing of pipes
a) Spillway pipes
b) Decant system
Trash racks clear and in pla
c:\data\wpdata \damform.doc
No
Yes
Yes
Yes ftUO,
Yes
YES
Yes
Yes RW
Yes
Yes
Y'es
Yes ~O
Yes
Yes ~
Yes (R~
Yes
Yes CaiU
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
Feet
N/A
N/A
Yes ® H/A
Yes ~1c N/A
Yes ~ N/A
Yes ~ N/A
Yes ~ N/A
NO N/A