UNCLASSIFIED 



Security Classification 



KEY WORDS 



radioisotopes 



radioactive isotopes 



xenon-133 



radiation detector 



radiation measuring instruments 



cesium iodide crystals 



sediment transport 



littoral transport 



littoral processes 



sediment analysis 



hydraulic models 



headlands 



beaches 



hydrographic surveys 



Point Conception, California 



Cape Kennedy, Florida 



UNCLASSIFIED 



Security Classification 



