*• 





s *^wf W"5»f«#^ 



THU RACINE; REEI^ LIGHTHOUS]^, in I.AK]? MICHIGAN, COVERED WITH ICE 



"Winter seriously increases the work of maintaining aids to navigation; the spray or 

 sleet freezing may co'mpletely envelop the tower in ice. obscuring the light until the lantern 

 is cleared. In no'rthern waters, where there is floating ice. many of the gas buoys must be 

 removed in winter and replaced bv spar buoys, over which the ice may pass without serious 

 damage to the buoy. The spray freezes to bell buoys sometimes until the weight of ice 

 •overturns them" (see page 29). 



34 



