Tennessee valley authority engineering and construction department 

 - knoxville  Tennessee          1942 
 - 95p.  cm. 
<br/><br/><label>Standard No.: </label>78142 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ENGINEERING
<br/><br/><label>Dewey Class. No.: </label>D1.7328.16x, H2