90 Relative Efficiency of Beach Sampling Methods, September 1956 



91 Changes in Configuration of Point Reyes Beach, California, 

 November 1956 



92 Sand Bypassing at Port Hueneme, California, March 1957 



93 Modification of the Quadratic Bottom-Stress Law for Turbulent 

 Channel Flow in the Presence of Surface Wind-Stress, February 

 1957 



94 Preliminary Report: Laboratory Study of the Effect of an Un- 

 controlled Inlet on the Adjacent Beaches, May 1957 



95 Effect of Bottom Roughness on Wind Tide in Shallow Water, 

 May 1957 



96 Factors Affecting the Durability of Concrete in Coastal 

 Structures, June 1957 



BEACH EROSION BOARD TECHNICAL REPORT ND. 4 



"SHORE PROTECTION PLANNING AND DESIGN" 



***** 



Since publication of this report (first announced in the 

 BULLETIN, Vol. 9, No. 2), 1670 copies of the 2,000 copies 

 made available for sale have been sold. 



The remaining 330 copies are available for purchase from 

 the Superintendent of Documents, U. S. Government Printing 

 Office, Washington 25, D. C., at $2.25 per copy. 



43 



