450 r 



350 



250 



— 150 



50 



50 - 



- 150 - 



X Extrapolated Datum 



-250 - 



-350 



' I 



1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 



Profile Line 7 



450 r 



350 



250 



Z: 150 - 



o 50 - 



5 -50 - 



- 150 - 



X Extrapoloted Datum 



-250 - 



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J L 



J I I I I I 



1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 



Profile Line 8 



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