HYDRO24525

• Permit No: C1981008
• IBM Index Class Name: Hydrology
• Doc Date: 4/9/1998
• Doc Name: 1ST QUARTER 1998 INSPECTIONS
• From: NEW HORIZON MINE
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PERIODIC INSPECTION FORM
Y'TATER, SIDII~~NT, OR SLURRY I1dIPOUbIDMENTS
Inspectors Name : `1Zoss ~~,~~ Date : q- - z - R ~
NPDES ID. No.:CO-0000213 001 Date Last Inspected:~~_~y -q-7
Facility Configuration:C_ross Valley Pond
Site Name: Ispoundment #001 Location:47N16W36BC
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
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CIRCLE OR WRITE IN APPROPRIATE RESPONSE
Foundation Preparation (removal of vegetation, sturtq~s., to psoil) es No N/A
Lift thickness (inches)
Compaction according to approved plan ~ No N/A
Burning (specify extend and location) Yes 'moo N/A
Angle of slope: ~:~ upstream, 3'1 downstream
Seepage (specify location, color, and approx. volume)
a.) Fran underdrain pipes: Yes ®o N/A
b.) At isolated points on embankment slopes: Yes ~ N/A
c) At natural hillside: Yes ~ N/A
d) Over widespread areas Yes ~ N/A
e) From downstream foundation area Yes ® N/A
f) "Boils" beneath stream or ponded water Yes ® N/A
Cracks or scarps on crest Yes ® N/A
Cracks or scraps on slope Yes ~ N/A
Sloughing or bulging on slope Yes ~ N/A
Major erosion problems Yes ® N/A
Surface movements in valley bottom or on hillside Yes ® N/A
Erosion of tce Yes ~ N/A
Water irtq~ounded against tce Yes ~ ~ N/A
Existing embanlanent freeboard (feet) ~~ L Feet
Cracks, bulging, or erosion on upstream face Yes ~ N/A
Visible sunq~s or sinkholes in slurry surface Yes ® N/A
Clogging
a) Spillway channels and pipes Yes ~ N/A
b) Decant system Yes ~ N/A
c) Diversion Ditches Yes ~I N/A
Cracking or crushing of pipes
a) Spillway pipes Yes ~ N/A
b) Decant system Yes ~ N/A
1Yash racks clear and in place Ye No N/A
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