TABLE OF CONTENTS 



Page No, 



Sealing of Mission Bay Jetties, San Diego, Calif 1 



Preliminary Considerations of the Use of Radioisotopes 



for Laboratory Tracer Techniques ...... 16 



Experimental Determination of Wave Pressure Attentuation 28 



Progress Reports on Research Sponsored by Beach Erosion 



Board 35 



Beach Erosion Studies 42 



Summaries of Reports transmitted to Congress 



Pemberton Point to Cape Cod Canal, Mass 42 



Wessagussett Beach, Weymouth, Mass., 44 



Newport Bay to San Mateo Creek, Orange County, Calif.. 45 



Presque Isle Peninsula, Erie, Pa 47 



North Shore of Cape Cod from Cape Cod Canal to 



Provincetown , Ma s s 49 



South Shore of Long Island from Fire Island Inlet to 



Montauk Point, N. Y 51 



Completed Cooperative Beach Erosion Studies 54 



Currently Authorized Cooperative Beach Erosion Studies., 60 



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