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JD -7 Mine - Drainage Design Plan <br />31 <br />Figure 13. Examples of Type 1 and Type 2 Ephemeral Channels in Major Sub -Basin B2 <br />Table 13. Reach Geometry and Hydraulic Parameters <br />Reach <br />Reach <br />Reach <br />Friction <br />Bottom <br />Side <br />Identifier <br />Length <br />Manning's <br />Slope <br />Width <br />Slope <br />(ft) <br />n <br />(ft /ft) <br />(ft) <br />------------------------------------------------------------------------------- <br />WR_Div2 <br />1470 <br />0.047 <br />0.0669 <br />3 <br />3 :1 <br />WR Div1 <br />632 <br />0.047 <br />0.0114 <br />3.5 <br />3 :1 <br />NE_Ch1 <br />1336 <br />0.067 <br />0.1451 <br />5 <br />2 :1 <br />NE_Ch2 <br />704 <br />0.067 <br />0.1364 <br />3 <br />2 :1 <br />PitDivW <br />1144 <br />0.047 <br />0.0213 <br />2.2 <br />4.6 :1 <br />PDE_Out <br />10 <br />0.05 <br />0.022 <br />10 <br />3 :1 <br />VF2_Out <br />10 <br />0.05 <br />0.022 <br />2 <br />3 :1 <br />VF3_Out <br />10 <br />0.05 <br />0.022 <br />1.5 <br />3 :1 <br />VF4_Out <br />10 <br />0.05 <br />0.022 <br />1.5 <br />3 :1 <br />VF5_Out <br />10 <br />0.05 <br />0.022 <br />3 <br />3 :1 <br />PitDivE <br />996 <br />0.047 <br />0.0611 <br />2.2 <br />4.6 :1 <br />D15 Ch <br />1437 <br />0.067 <br />0.0393 <br />2 <br />3 :1 <br />4149A.130926 Whetstone Associates <br />