250 r 

 150 

 50 



— -50 



a> 

 o 



o - 150 



O 



-250 - 

 -350 - 



450 



X Extropoloted Datum 



■ ■ ■ I L 



1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 



Profile Line 3 



350 



250 - 



150 - 



z: 50 - 



^ -50 - 



Q - 150 



2 50 



350 



-450 



X Extrapolated Datum 



J L 



J L 



J I 1 L 



1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 



Profile Line 4 



127 



