ACKNOWLEDGMENTS 
Cooperation of the U. S. Coast and Geodetic Survey, especially 
Commander Jones and the crew of the C. & G. S. S. MARMER, and members 
of the Tides and Currents Branch, is gratefully acknowledged, Funding 
of part of the study was provided by the Hampton Roads Sanitation 
District Commission of Virginia. Preparation of illustrations was. 
supported by the Beach Erosion Board, U. S. Army Corps of Engineers. 
