90 



o80 



DC 

 Cl. 



CC 

 LU 



LO 



60 



50 - 



a 40 



.30 



^ 20 



LU 



^ 



-10 



Datum = MLL 



Initial Survey 3 Aug 70 



"*^ Datum -Beacti Intersect 



1 July 72 

 4 June 72 

 6 May 72 



8 Apr 72 



11 Mar 72 



12 Feb 72 



15 Jan 72 



21 Dec 71 



20 Nov 71 



22 Oct 71 

 24 Sept 71 



26 Aug 71 



2 Aug 71 



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



Distance from mean water line of initial survey, in feet 



Changes at site 2. 



67 



