450 r 



350 



250 



^ 150 



a> 



o 50 



c 

 o 



</) 



i5 -50 



- 150 



-250 



-350 



X Extrapolated Datum 



J L 



I I I L 



1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 



Profile Line 15 



450 r 



350 



250 



z: '50 



o 50 



c 



o 



tn 



S -50 

 - 150 

 -250 

 -350 



\Ar 



X Extrapolated Datum 



J \ ™__L 



I I 



1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 



Profile Line I 6 



133 



