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<br />" <br /> <br /> <br />Sf c; V\-jM <br /> <br />Guidelines <br />For <br />Determining <br /> <br /> <br />Bulletin #17 A <br />of the <br />Hydrology Committee <br /> <br />Revised June 1977 <br /> <br />^ United States Water Resources Council <br />wrc... 2120 L Street, N.W. <br />Ii:... ~ Washington. D.C. 20037 <br />