REP43087

• Permit No: C1980007
• IBM Index Class Name: Report
• Doc Date: 9/16/2004
• Doc Name: 2003 Annual Hydrology Report Appendix A Through C
• From: Hydro Geo Inc
• To: DMG
• Annual Report Year: 2003
• Permit Index Doc Type: Hydrology Report
• Media Type: D
• Archive: No

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Middle Dry Fork
Daily Mean Discharge Values
(cubic feet per second)
Da Oct-02 Nov-02 Dec-02 Jan-03 Feb-03 Mar-03 Apr-03 Ma -03 Jun-03 Jul-03 Aug-03 Se -03
1 (4) 6.06 3.75 5.13 3.35 2.75 5.01 6.30 6.24 7.55 4.92 4.08
2 4) 5.16 4.07 5.48 3.26 2.89 4.82 5.99 6.19 7.31 5.06 4.15
3 (4) 4.50 4.11 5.25 3.23 2.99 4.52 6.93 6.23 7.60 4.97 4.14
4 (4) 4.45 3.47 5.67 3.25 2.79 4.82 6.67 5.92 7.10 4.44 4.22
5 4 4.55 3.56 5.82 2.99 2.82 4.59 6.07 5.96 6.85 4.62 4.37
6 (4) 4.59 3.43 5.93 2.81 2.72 4.30 6.11 5.98 6.66 4.63 4.34
7 (4) 4.64 5.47 5.82 2.72 2.89 4.39 6.15 5.92 6.70 4.60 4.42
8 4) 6.09 7.02 5.64 2.81 3.11 5.1 f 5.96 5.91 6.46 4.66 4.63
9 (4) 5.17 7.23 6.09 2.46 3.22 5.44 6.14 5.64 6.54 4.51 7.43
10 (4) 4.98 7.36 6.21 2.40 3.55 5.04 5.55 5.64 6.35 4.44 5.86
11 4) 4.78 7.68 6.09 2.34 5.99 5.21 6.07 5.02 6.23 4.53 4.44
12 (4) 4.70 6.59 6.16 2.42 15.82 5.47 7.91 5.18 6.01 4.53 3.83
13 (4) 4.80 6.68 6.18 3.56 13.95 4.79 9.55 6.90 5.87 4.64 2.72
14 (4) 4.98 5.69 6.35 2.68 10.55 4.83 13.93 14.22 6.03 4.73 2.68
15 (4) 4.29 5.76 6.37 2.89 7.66 4.87 13.46 14.44 5.86 4.84 2.50
16 (4) 3.67 4.49 6.53 2.75 5.45 4.50 14.61 12.34 5.59 4.63 2.55
17 (4) 3.76 5.16 6.16 2.77 3.66 4.59 17.28 12.57 4.03 4.61 1.28
18 (4) 5.35 5.78 6.05 2.96 3.26 4.48 16.32 12.14 2.89 4.64 0.38
19 8.25 4.07 4.82 5.95 3.01 3.68 4.64 14.82 12.07 2.53 4.55 0.37
20 8.64 3.84 5.07 5.84 3.06 3.76 4.72 15.44 11.38 2.12 4.46 0.36
21 8.46 3.72 4.64 5.79 2.88 3.90 4.62 15.84 11.05 2.05 4.52 0.87
22 9.84 3.75 4.15 5.87 2.85 4.74 4.92 16.71 10.80 3.91 4.60 1.34
23 10.06 3.89 4.89 5.49 2.65 4.97 4.45 15.73 10.25 5.43 4.55 1.30
24 8.79 3.96 4.96 5.07 2.71 4.67 4.62 15.86 9.48 4.87 4.41 1.31
25 9.18 4.78 5.27 4.40 3.04 4.57 4.52 16.39 9.57 5.04 4.48 1.30
26 6.02 4.40 5.44 3.90 2.81 4.61 5.72 18.04 9.37 5.06 4.49 1.24
27 5.57 4.19 4.90 3.79 2.59 4.31 7.06 17.87 9.15 5.09 4.38 1.26
28 5.31 4.27 4.49 3.41 2.78 3.81 6.67 17.67 8.86 5.36 4.51 1.11
29 4.79 3.85 5.36 3.41 -- 3.67 6.68 17.95 8.84 5.35 4.47 1.23
30 5.05 3.56 5.26 3.67 -- 4.38 6.55 18.19 8.25 5.35 4.36 1.23
31 5.40 -- 5.45 2.18 -- 5.38 - 17.07 -- 4.82 4.15 --
Mean 7.33 4.49 5.23 5.34 2.86 4.92 5.06 12.21 8.72 5.44 4.58 2.70
Min 4.79 3.56 3.43 2.18 2.34 2.72 4.30 5.55 5.02 2.05 4.15 0.36
Max 10.06 6.09 7.68 6.53 3.56 15.82 7.06 18.19 14.44 7.60 5.06 7.43
A-6
(4) Incomplete Data
West Elk Mine
2003 Annual Hydrology Report HydroGeo, Inc.