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SEDCAD 4 for Windows <br />i c„ti,.—k <br />Per <br />Colowyo Mine <br />pit No. C-1981-019 <br />Effluent Demonstration - Grass Filter <br />10 Year - 24 Hour Storm Event <br />Gulch A Watershed <br />Tony Tennyson <br />Filename. Grass Filter Gulch A.sc4 Printed 10-24-2018 <br />