I 2 3 4 5 6 



Structure slope (cot 9) 



Figure 28. Quarrystone rubble- mound runup 

 ("smooth" stones); random place- 

 ment; d s /H^ = 5.0; H^/k r = 2.7; 

 hc/d s as 1.10 (after Jackson, 

 1968a) . 



67 



