O FIRST SURVEY 

 \ SECOND SURVEY 



DfiTE 

 10DEC70-20DEC70 



10DEC70-200EC70 



10DEC70-20DEC70 



10DEC70-20DEC70 



10DEC70-20DEC70 



10DEC70-20DEC70 



10DEC70-20DEC70 



10DEC70-20DEC70 



10DEC70-20DEC70 



10DEC70-20DEC70 



10DEC70-20DEC70 



10DEC70-20DEC70 



10DEC70-20DEC70 



10DEC70-20DEC70 X 



10DEC70-20DEC70 



-280 -240 -200 -160 -120 -80 -40 

 DISTfiNCE ( M) 



40 80 



Figure HI 3. Profile comparisons for surveys at Jones Beach, N. Y. 



HI 7 



