rso 



173 



Station 26 



20 Sept. 1976 



12 Aug. 1975 



• 14 May 1971 



9 Jun« (969 



•^^ -• 



110 100 90 80 70 60 



50 40 30 20 



OJttonca from Bast (m) 



-10 -20 -30 -40 



183 



180- 



i)78 



Station 27 



20 Sept 1976 



12 Aug. 1975 



9 June 1969 



X" 



1731 — 

 100 



80 70 60 50 40 30 20 10 



Distance from Bos« (m) 



-10 -20 -30 -40 -50 



69 



