PUBLICATIONS--Notes on Sedimentation Activities, Calendar Year 1991 In Reply Refer To: January 15, 1993 Mail-Stop 415 REPLY REQUESTED BY MARCH 15, 1993 OFFICE OF SURFACE WATER TECHNICAL MEMORANDUM NO. 93.09 Subject: PUBLICATIONS--Notes on Sedimentation Activities, Calendar Year 1991 Attached is a copy of the 1991 publication "Notes on Sedimentation Activities, Calendar Year 1991." This report is a digest of information furnished by Federal agencies conducting sedimentation investigations. This report has been published annually since 1946. Descriptions of work, in progress or planned, are included in the report as well as important findings, new methods, new publications, information relating to laboratory and research activities, and other pertinent information. The material is organized by major drainage regions in the conterminous United States, Alaska, Hawaii, and the Caribbean. Districts should review the portions of the 1991 publication that are pertinent to them, and make any changes for the 1992 calendar year. Copy any pages which should be updated, and make the necessary changes, deletions, and/or additions to these copies. Do not retype the pages; this will be done at Headquarters. Return all updates and negative replies to the Office of Surface Water no later than March 15, 1993. Charles W. Boning, Chief Office of Surface Water Attachment (1) WRD Distribution: A, PO, FO-L(1)