- 1 i— 



30 L 



25 |— Seowordmost position 

 of eoch contour — 

 Other more landward 

 positions of a given 

 contour 



0.6ft 



2.2ft 



Figure 49, 



I I I I 



3 5 7 9 

 Ranqe 



Profile shape at end (150 hours) of experiment 



72B-10 (L/W = 1.86). Compare with Figure 42. 



97 



