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Exh. 7-23B-3 Revision Date: 4/28/22 <br /> Revision No.: TR-154 <br />Temporary Channels <br /> <br />The Section 25 Pond watershed is comprised of one temporary channels the D-3 Ditch. The <br />configuration for this ditch is include in the Section 26 Pond 10-Year, 24-Hour During Mining <br />Storm Event Demonstration and is further outlined as described in the following table: <br /> <br />Ditch Name Flow, Q <br />Slope, <br />% Type <br />Specified <br />Depth <br />Bottom <br />Width <br />Side <br />Slope, <br />H:1V <br />Rip Rap, <br />D50, in <br />D-3 Ditch 0.02 16.1% Riprap 4.0 12.0 2.0 6.0 <br /> <br /> <br /> <br /> <br />.