DEPARTMENT OF THE ARMY 

 CORPS OF ENGINEERS 



TABLE OF CONTENTS 



Page 



A Method of Separating MxLLtiple Systems of Ocean 



Waves for Detailed Study of Directions and Other 

 Properties .*«. ^*. ••••.. .»«««>««« 1 



Developments in the Science of Coastal Engineering **«•« 14 



Notes on Determination of Stable Underwater Break- 

 water Slopes «... 20 



A New Method for the Graphical Construction of Wave 



Refraction Diagrams ..•«•••.«*.*•............ 23 



Bea ch Erosion Studie s «...•«*.•*«•<>•••••.••*•••»•.•**»•. 35 



VOL. 6 July 1, 1952 NO. 3 



