PREFACE 



This report describes products from two computer programs, and a set of 

 digital bathymetric data for U.S. coastal regions. The programs and data are 

 useful for generating regularly spaced bathymetric data and determining and 

 drawing contours. The work was carried out under the waves and coastal flood- 

 ing research program of the U.S. Army Coastal Engineering Research Center 

 (CERC). 



The present report was prepared by Dr. Barry E. Herchenroder, under the 

 general supervision of Dr. C.L. Vincent, Chief, Coastal Oceanography Branch, 

 Research Division. 



Comments on this publication are invited. 



Approved for publication in accordance with Public Law 166, 79th Congress, 

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

 approved 7 November 1963. 



Jltc.g^ 



TED E. BISHOP 



Colonel, Corps of Engineers 



Commander and Director 



