2012-12-21_HYDROLOGY - C1981010

• Permit No: C1981010
• IBM Index Class Name: HYDROLOGY
• Doc Date: 12/21/2012
• Doc Name: 4th Quarter 2012 Sediment Pond Inspection Report
• From: Trapper Mining, Inc
• To: DRMS
• Permit Index Doc Type: Sediment Pond Inspections
• Email Name: JLE
• Email Name: SB1
• Media Type: D
• Archive: No

Trapper Mining Inc.
Fourth Quarter 2012 clk
Impoundment Inspection - Pond Capacity Data $ ums se a'
Pond ID
Far East Buzzard
Coyote
No Name #2
No Name #4
No Name #5
Johnson #6
Johnson #7R
Johnson #8
Johnson #9
Johnson #10
West Pyeatt #1
West Pyeatt #2
Middle Pyeatt #1
Middle Pyeatt #2
Middle Pyeatt #3
East Pyeatt #1
East Pyeatt #2
East Pyeatt #3
Grouse #1
Grouse # 2
Sage #1
Sage #2
Oak #1
Oak #2
Principle. Spillway
Stage (ft.)
2.0
30.5
Total Capacity 60% Sediment 60% Sediment Remaining Inspection Qtr. 4 Estimated Qtr. 4 Approximate
to PS stage Capacity Capacity Stage Design Capacity Observation Sediment Rem. Capacity
(acre -feet) (acre -feet) (ft.) (acre -feet) (% sediment) (acre -feet) (acre -feet)
0.03 0.02 1.4 0.01 0.00 0.00 0.03
75.1 45.06 26.7 30.04 0.00 38.00 37.10
8.5 8.47 5.08 6.0 3.39 50.00 4.24 4.24
14.5 8.23 4.94 11.7 3.29 35.00 2.88 5.35
6.0 1.03 0.62 4.7 0.41 50.00 0.52 0.52
9.0 1.80 1.08 7.1 0.72 15.00 0.27 1.53
7.0 2.99 1.79 5.2 1.20 35.00 1.05 1.94
7.0 3.58 2.15 4.6 1.43 45.00 1.61 1.97
8.5 2.74 1.64 6.6 1.10 0.00 0.00 2.74
9.0 6.09 3.65 7.0 2.44 45.00 2.74 3.35
9.0 2.76 1.66 7.0 1.10 0.00 0.00 2.76
10.0 1.89 1.13 7.3 0.76 30.00 0.57 1.32
10.0 1.40 0.84 8.1 0.56 20.00 0.28 1.12
10.0 1.26 0.76 8.4 0.50 0.00 0.00 1.26
10.0 5.70 3.42 7.9 2.28 20.00 1.14 4.56
8.0 0.99 0.59 6.5 0.40 0.00 0.00 0.99
8.0 4.15 2.49 6.1 1.66 0.00 0.00 4.15
8.0 1.51 0.91 6.8 0.60 0.00 0.00 1.51
7.5 3.35 2.01 5.7 1.34 0.00 0.00 3.35
4.5 0.79 0.47 3.6 0.32 0.00 0.00 0.79
8.0 2.67 1.60 6.4 1.07 0.00 0.00 2.67
7.0 2.07 1.24 5.8 0.83 0.00 0.00 2.07
13.0 1.43 0.86 10.6 0.57 20.00 0.29 1.14
9.5 0.93 0.56 7.7 0.37 0.00 0.00 0.93