Efficiency Methods in Hauling and 



One of the most important 

 duties devolving upon the 

 engineer corps of the United 

 States Army is the dredging 

 of channels and harbors, be- 

 cause the ocean bottom is con- 

 stantly shifting and debris of 

 all kinds is settling in navig- 

 able inlets. In the Mobile, 

 Ala., district, there are three 

 outer bar channels where sea- 

 going dredges work, and eight 

 inner channels where pipe-line 

 dredges are used, one of which 

 is the Wahalak, illustrated in 

 the oval above and in the con- 

 tinuous picture on the right 



18 



