HYDRO30054

• Permit No: C1981008
• IBM Index Class Name: Hydrology
• Doc Date: 3/25/1997
• Doc Name: 1ST QUARTER 1997 INSPECTIONS
• From: NEW HORIZON MINE
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

~'' RECEh'~~
MAR 2 51991 pERIODIC INSPECTION FORM
TAATER, SIDIl~3dT, OR SLURRY II~'lPC7[JI~[~S
®Mkion of ivnne(a~z w ~.~ ..
Inspectors Name: ~_ („ ~ubk~ Date: 3-z.~_qZ
NPDES ID. No.:CO-0000213 001 Date Last Inspected: ~-~~-q'(
Facility Configuration:Cross Valley Pond
Site Name: Impoundment #001 Location:47N16W36BC
Mine Name: New Horizon Mine Location:2 mi NW of Nucla CO
Mine ID No.:
Owners Rep.: R. L. Wade, Mine Manager
CIRCLE OR WRITE IN APPROPRIATE RESPONSE
1. Foundation Preparation (renaval of vegetation, sturt~s., topsoil) Ye No N/A
2. Lift thickness (inches) /Z /,vim
3. Cort¢~action according to approved plan ~ No N/A
9. 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.) Fran underdrain pipes: Yes N N/A
b.) At isolated points on embanlanent slopes: Yes No N/A
c) At natural hillside: Yes ® N/A
d) Over widespread areas Yes ~ N/A
e) From downstream foundation area Yes Q N/A
f) "Boils" beneath stream or ponded water Yes ® N/A
7. Cracks or scarps on crest Yes ® N/A
8. Cracks or scraps on slope Yes ~*o N/A
9. Sloughing or bulging on slope Yes ® N/A
10. Major erosion problems Yes ® N/A
11. Surface movements in valley bottan or on hillside Yes ® N/A
12. Erosion of tce Yes ~ N/A
13. Water irtg>ounded against tce Yes ~ N/A
19. Existing embanlmient freeboard (feet) ~2 1 Feet
15. Cracks, bulging, or erosion on upstream face Yes ® N/A
16. Visible suns or sinkholes in slurry surface Yes @ N/A
17. Clogging

a) Spillway channels and pipes
Yes ~~77
c~vt~
N/A
b) Decant system Yes ~ N/A
c) Diversion Ditches Yes ~. N/A
18. Cracking or cashing of pipes
a) Spillway pipes Yes ® N/A
b) Decant system Yes ® N/A
19. Trash racks clear and in place ~ No N/A
W ~.S
O
~~ ~ /