Humboldt Boy, California ( 1 97 1 ) 



Existing Concrete Cap. 

 42 Tons Dolos (2 Layers). 



--60' 

 10-14 Ton Stone V V Thick Bedding 

 Existing Structure Layer 



( ofter Magoon ond Shimizu, 1971 ) 



Figure 29. Dolos rubble-mound jetty (U.S. Army, Corps of 

 Engineers, CERC, 1977). 



154 



