186 



187 



186 



185 



184 



183 



182 



181 



_I80 

 E 

 -179 



I 178 



O 



'•'177 



173 



Station 17 



I Sept. 1976 



7 Aug. 1975 



7 Moy 1971 



26 May 1969 



60 70 60 50 40 30 20 10 



Distance from Base (m) 



-10 -20 -30 -40 -50 -60 



180 

 179 



.1 176 



o 

 > 



■^ 177 



Smeller scale view showing 

 4&(n bluff failure 



.,=^2J^ 



210 



-50 -100 -150 



^'>^ 



Station 19 

 23 Sept. 1976 



7 Aug. 1975 



lOMoy 1971 



28 Oct. 1969 



no 100 90 80 70 60 50 40 30 20 10 -10 -20 -30 -40 



Oistonce from Dose (m) 



66 



