PREFACE 



The model investigation reported herein initially was requested by the 

 US Array Engineer District, Buffalo (NCB), in a letter to the US Army Engineer 

 Waterways Experiment Station (WES) dated 21 December 1984. Funding authoriza- 

 tions by NCB were granted in Intra-Army Orders NCB-IA-85-26JD dated 20 Decem- 

 ber 1984 and NCB-IA-85-41 JD dated 13 March 1985. 



Model tests were conducted at WES under the general direction of 

 Dr. R. W. Whalin, former Chief of the Coastal Engineering Research Center, 

 Mr. C. E. Chatham, Chief of the Wave Dynamics Division, and Mr. D. D. 

 Davidson, Chief of the Wave Research Branch. Tests were conducted by 

 Mr. W. G. Dubose, Engineering Technician, under the supervision of Mr. D. G. 

 Markle, Research Hydraulic Engineer. This report was prepared by 

 Messrs. Markle and Dubose. Mr. C. C. Calhoun, Jr., was Acting Chief of CERC 

 during the preparation and publication of this report. This report was edited 

 by Mrs. Beth F. Vavra, Publications and Graphic Arts Division. 



Liaison was maintained with Mr. Denton Clark, Chief of the Coastal Engi- 

 neering Section, NCB, during the course of this study by means of conferences, 

 progress reports, and telephone conversations. 



Director of WES was COL Allen F. Grum, USA. Technical Director was 

 Dr. Robert W. Whalin. 



