450 r 

 350 

 250 

 — 150 



(U 



o 50 



c 

 o 



in 



'5 -50 



- 150 

 -250 - 

 -350 



X Extrapolated Datum 



1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 



Profile Line 19 



450 r 



350 



250 - 



z: '50 - 



o 50 - 



Q -50 

 - 150 

 -250 

 -350 



X Extrapolated Datum 



J L 



1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 



Profile Line 20 



135 



