UJ 



o 



SECTION-A 



CONSTRUCTED. 1968 



SECTION-B 



BUK.T: I93S 



REPtlREO 1952 

 REHABILITATED; 1966 



UJ 



< 



STONE MATTRESS 



SECTION-C 



BUILT SUBSTRUCTURE 19J6 



CONSTRUCTED 1968 



COVER STONE 

 9 TON MIN 



q: 

 o 



CD 



<" 



X 



■STONf MATTBESS --^ EXISTING BOTTOM 



TYPICAL CROSS SECTION- RUBBLE MOUND BREAKWATER 



CONSTRUCTED 1968 



Figure 159. Typical structure cross sections, Leland Harbor, Michigan 



252 



