o 

 o 

 f'J 

 i 69 



1 1- 



71 



TIME 

 CONTOUR : 



1 



(YEAR] 

 MLW 



o 

 o 



i 69 



1 H 



71 



TIME 

 CONTOUR : 



(YEAR) 

 MSL 



-i — 



i 69 71 



TIME (TEAR; 



CONTOUR : MHW 



DI5TRNCE FROM THE BASE LINE TO STATED CONTOURS AT FB 21 



181 



