EXISTING LAKE BOTTOM 



THrSPOWT I- CORE STONE 



EA ST BREAKW&T ER 



NOTE 



04Ti PERTINENT TO STONE PLflCEMENT 

 IS SAME AS SHOWN IN SECTlON-F. 



CAST-IN-PLACE 



SECTION-H- 



WEST PIEH 



PRECAST TOP 



l-G.L.D. 576 6 



STONE FILLED _ 



TIMBER CRIB >S. 



SECTION-H- 



WeST PIEH 



^-'■-1 



SECTION - I 



EAST SREAKWAl 



I.GL 0. 376 



SECTION-H- 



WEST PIER 



Figure 61. Typical structure cross sections, 

 Manistique Harbor, Michigan 



103 



