note: Work remaining to be done shown thus: X////\ 



Project depths, soundings, and elevations are referred to 

 International Great Lakes Datum (1955) for Lake Michigan, 

 elevation 576,8 ft. above Mean Water Level (M.W.L.) at 

 Father Point, Quebec. 



Scale of Feet 



Figure 49. Pentwater Harbor Jetties, Michigan 



66 



