u-^^ 



Lokcward End to -5 Ft. Contour 



-5 Ft. Contour to +2 Ft. Contour 



10 10 20 FT 



L.W.D. =600.0' 



RUBBLE MOUND -BUILT 1957 

 EAST AND WEST BREAKWATERS 



("Eon Breokwoltf-625 fl. 1 

 ^''"" '-"'"'• (w...B,.o»,...- 555 F,± 



Figure 34. Details of Black River Harbor 

 Jetties, Michigan 



51 



