Boulder canyon project final reports pt.vii-cement and concrete investigations  mass concrete investigation bull.4 

 - Denver, Colorado  1949 
 - xxi,255 
<br/><br/> Dormitory 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Concrete
<br/><br/><label>Dewey Class. No.: </label>627.77  / U4