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DRch 5-1 <br />~. Peak Discharge (cfs) <br />10-year. 24-hour event <br />Upper 1.78 <br />Lower 4.22 <br />Ditch 5-2 <br />Peak Discharge (cfs) <br />10-year, 24-hour event 4.66 <br />Ditch 5-3 <br />Peak Discharge (cfs) <br />10-year, 24-hour event 10.97 <br />Ditch 6-1 <br />Peak Discharge (cfs) <br />10-year, 24-hour event <br />Upper 1.58 <br />Lower 4.01 <br />• Ditch 6-2 <br />Peak Discharge (cfs) <br />10-year, 24-hour event 1.98 <br />Postmining Drainage Channel 6-3 <br />Peak Discharge (cfs) <br />10-year, 24-hour event 2.48 <br />Pond 5/6 North Inlet <br />Peak Discharge (cfs) <br />10-year, 24-hour event 5.99 <br />Pit 2 <br />Storm Sediment Yield (tons) <br />10-Year, 24-hour evnet <br />Premine 0.5 <br />Postmine 4.7 , <br />Annual Sediment Yield (ac-ft) <br />Premine 0.0004 <br />Postmine 0.0035 <br />~ . ", i <br />r. <br />14 ~~~ <br /> <br />