90 r 



o 80 - 



\^ 70 



H 



60 - 



50 



40 



30 - 



20 - 



■10 



Datum - MLL 



Initial Survey 3 Aug 70 



"*^ Datum - Beach Intersect 



30 June 72 



6 June 72 



7 May 72 

 7 Apr 72 



12 Mar 72 



13 Feb 72 



16 Jan 72 



20 Dec 71 



19 Nov 71 



24 Oct 71 



26 Sept 71 



28 Aug 71 



3 Aug 71 



J__ 



120 -100 -80 -60 -40 -20 20 40 60 80 



Distance from mean water line of initial survey^ in feet 



Changes at site 15. 



93 



