Reprint or republication of any of this material shall give appropriate 
credit to the U.S. Army Coastal Engineering Research Center. 
Limited free distribution within the United States of single copies of 
this publication has been made by this Center. Additional copies are 
available from: 
National Technical Information Service 
ATTN: Operations Division 
5285 Port Royal Road 
Springfield, Virginia 22151 
Contents of this report are not to be used for advertising, 
publication, or promotional purposes. Citation of trade names does not 
constitute an official endorsement or approval of the use of such 
commercial products. 
The findings in this report are not to be construed as an official 
Department of the Army position unless so designated by other 
authorized documents. 
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