PUBLICATION -- TWRI Book 3, Chapter C3, Computations of fluvial-sediment discharge, by George Porterfield February 28, 1972 QUALITY OF WATER BRANCH TECHNICAL MEMORANDUM NO. 72.13 Subject: PUBLICATION -- TWRI Book 3, Chapter C3, Computations of fluvial-sediment discharge, by George Porterfield Attached is a copy of the subject TWRI for your information. Additional copies should be ordered according to standard procedure. Please note that Table 2, p. 43, has been revised as per Quality of Water Branch Technical Memo. 72.10 and should not be used. We will appreciate receiving your comments on omissions, typographical errors, or other errors that come to your attention in the use of this manual. W. H. Durum Chief, Quality of Water Branch Attachment WRD Distribution: A (Regional Hydrologists only), FO-LS