Table 19 (Concluded) 



Date(s) Construction and Rehabilitation History 



46.1-ft diameter cells. The cells were filled with dredged fill 

 material and capped with 3-ton (minimum) cover stone. The crest el 

 of the structure was +8 ft Iwd. Riprap stone was placed around the 

 toe of the cells. 



1971 Portions of the east and west piers (Figures 51 and 52, Sections A 

 and B) were capped with concrete. The new superstructures extended 

 to els of +7 ft Iwd. 



1986 The east and west piers have undergone additional maintenance and 

 presently are in fair condition. The pile dike, which is not 

 included in the present project, is badly deteriorated and in 

 ruins. An aerial view of Grand Marais Harbor piers is shown in 

 Figure 53. 



88 



