Smithsonian Report. 1935.— Nelson. W. R. 



Plate 6 



1. Fit- 



icKET OF Concrete Grout is Placed in Boulder Dam Proper. 

 June 6, 1933, 11:20 a. m. 



2. Downstream Face of Boulder Dam. 

 The last dump of concrete was poured on May 29, 1935. Work is still in progress on power plant. 



