4i- 



=- 2 



-2 



-4 

 -14 



Beach Profile 



Initial Profile 



After 175 hr 



After 210 hr 



-7 7 14 21 



Distance from Original SWL Intercept (ft) 



28 



35 



Figure 20. Profile changes in experiment 70X-10 

 during the last 35 hours. 



61 



