2011-12-16_HYDROLOGY - C1981010

• Permit No: C1981010
• IBM Index Class Name: HYDROLOGY
• Doc Date: 12/16/2011
• Doc Name: 4th Quarter 2011 Sediment Pond Inspection
• From: Trapper Mining, Inc
• To: DRMS
• Permit Index Doc Type: Sediment Pond Inspections
• Email Name: JLE
• Email Name: SB1
• Media Type: D
• Archive: No

POND IDENTIFICATION I W Horse #01
c•
Approximate water level: 3C, /
Sediment level (% total storage): /4,'4 •
Outflow (cfs): (J
• •
Sediment marker (install or replace) . Gn d _
Identification sign (install or replace) , Gcy ,
EROSIONAL:
Rills and /or gullies on downstream face.
100
Rills and /or gullies on upstream face. i A / le,' • •
Inadequate vegetation. i A)/5 •
Outlet channel erosion. •
;
Burrows.
Erosion of toe. i /�v
Water impounded against toe. /vU :
Other. , •
•
STRUCTURAL:
Differential settling.
/1r,
Cracks, slides, or scarps.
Seepage (specify location, color, value). n .
• •
Defective spillways. /U(3
Other. '
APPURTENANT STRUCTURES:
Defective spillways.
f V[2
Dewatenng device clogged. : /v
Cracking or crushing of pipes. /1/4
Other. , •
COMMENTS:
/
MAINTENANCE REQUIRED:
AL
FILE: 118.7
OPERATOR: TRAPPER MINING INC.
INSPECTOR: t`7r'cLAccir /Y 'CJ ?rtS SIGNATURE:
DRAINAGE: WEST HORSE GULCH
QUARTERLY SEDIMENT POND INSPECTION REPORT
Yi4 QRTR2'//
TRAPPER MINE
DATE OF INSPECTION // / 8 / l/