2012-07-06_HYDROLOGY - C1981010

• Permit No: C1981010
• IBM Index Class Name: HYDROLOGY
• Doc Date: 7/6/2012
• Doc Name: 2nd Quarter 2012 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

Trapper Mining Inc.
Second Quarter 2012
Impoundment Inspection - Pond Capacity Data
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
Total Capacity 60% Sediment 60% Sediment Remaining Inspection Qtr. 2 Estimated Qtr. 2 Approximate
Principle. Spillway to PS stage Capacity Capacity Stage Design Capacity Observation Sediment Rem. Capacity
Stage (ft.) (acre -feet) (acre -feet) (ft.) (acre - feet) (% sediment) (acre -feet) (acre -feet)
2.0 0.03 0.02 1.4 0.01 0.00 0.00
30.5 75.1 45.06 26.7 30.04 0.00 38.00
8.5
14.5
6.0
9.0
7.0
7.0
8.5
9.0
8.47
8.23
1.03
1.80
2.99
3.58
2.74
6.09
5.08
4.94
0.62
1.08
1.79
2.15
1.64
3.65
6.0
11.7
4.7
7.1
5.2
4.6
6.6
7.0
3.39
3.29
0.41
0.72
1.20
1.43
1.10
2.44
50.00
55.00
70.00
15.00
65.00
65.00
0.00
60.00
4.24
4.53
0.72
0.27
1.94
2.33
0.00
3.65
0.03
37.10
4.24
3.70
0.31
1.53
1.05
1.25
2.74
2.44
West Pyeatt #1 9.0 2.76 1.66 7.0 1.10 70.00 1.93 0.83
West Pyeatt #2 10.0 1.89 1.13 7.3 0.76 30.00 0.57 1.32
Middle Pyeatt #1 10.0 1.40 0.84 8.1 0.56 20.00 0.28 1.12
Middle Pyeatt #2 10.0 1.26 0.76 8.4 0.50 0.00 0.00 1.26
Middle Pyeatt #3 10.0 5.70 3.42 7.9 2.28 20.00 1.14 4.56
East Pyeatt #1 8.0 0.99 0.59 6.5 0.40 0.00 0.00 0.99
East Pyeatt #2 8.0 4.15 2.49 6.1 1.66 0.00 0.00 4.15
East Pyeatt #3 8.0 1.51 0.91 6.8 0.60 0.00 0.00 1.51
Grouse #1 7.5 3.35 2.01 5.7 1.34 0.00 0.00 3.35
Grouse # 2 4.5 0.79 0.47 3.6 0.32 0.00 0.00 0.79
Sage #1 8.0 2.67 1.60 6.4 1.07 0.00 0.00 2.67
Sage #2 7.0 2.07 1.24 5.8 0.83 0.00 0.00 2.07
Oak #1 13.0 1.43 0.86 10.6 0.57 70.00 1.00 0.43