350 



250 



150 - 



--: 50 - 



-50 - 



b - I 50 - 



-250 - 



-350 - 



X Extrapolated Datum 



-450 



J L 



J L 



J I I I I I 



1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 



Profile Line 5 



450 I- 



350 - 



250 



rZ 150 - 



<-> 50 



Q -50 



- 150 



250 



350 



J I I L 



J L 



1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 



Profile Line 5 



128 



