The cooperation of the staff of the Cape Hatteras National Seashore over 

 the past five years is especially appreciated. Without their facilities, 

 funds and personnel, this work could not have been accomplished. 



At the time of publication J. M. Caldwell was Acting Director of the 

 Coastal Engineering Research Center. 



NOTE: Comments on this publication are invited. Discussion will be 

 publ ished in the next issue of the CERC Bui letin. 



This report was prepared under authority of Public Law 166, 79th 

 Congress, approved July 31, 1945, as supplemented by Public Law 172, 88th 

 Congress, approved November 7, 1963. 



