428 ANNUAL REPORT SMITHSONIAN INSTITUTION, 194 7 



Joel D. Justin, consulting engineer, Philadelphia ; W. H. McAlpine, 

 office of the Chief of Engineers, Washington : and H. M. Hill, North- 

 ern States Power Co., Minneapolis. 



Harvey Slocum, well-known construction specialist, has advised 

 upon construction plans and estimates, while such experts from the 

 office of Chief of Engineers have been called in as Gail A. Hathaway 

 on flood control, Carl Giroux and B. W. Steele on dams and hydro 

 power, and Leon Zach on construction camps and permanent town 

 planning. Soil mechanics and foundation guidance is being supplied 

 by Profs. H. M. Westergaard, Arthur Casagrande, and L. Don Leet 

 of Harvard University, and E. M. Fucik of Chicago. Prof. Koland 

 Kramer of the University of Pennsylvania has made extensive studies 

 and advised upon canal traffic growth. 



