Grand Marais Harbor, Michigan (before 1965) 



Type I Cells I 8-m Dio. 

 Type H Cells l4-m Dip. 



Bedding 

 Quarry Spalls 



r Cover Stone (2. 8-mt Min) |— I.O-m 



Layer of GGP^^^^^^^HQl ^ 1 



IGLO. 



1^ R.prop, 



•5^ 



'^yUcjtfl 



'^^t^Mi^ 



S^ 



■Dredged:-:::- 



Cell Fill-:--::.- 



.Material 



ll.l-m: 

 [0.9-m 



^^/^M^^^i^y/^/Aim^/ 



'. 2.4m for oil Cells 



0.3-m 



I 5-m , „. . 



*——*{ Riprop l'/2 



'' 1.5-m ^! 



^ ^^ 



Sfone Mattress 



^Enisting Bottom 



'^^^//i^M^ 



Type S-28 Steel Sheet Piling 



Figure 6-62. Cellular-steel sheet-pile jetty. 



6-87 



