Report to Congress on water pollution control manpower development and training activities 

 - Washington  US Govt. USA        1972 
 - 209p.  cm. 
<br/><br/><label>Standard No.: </label>23344 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ENGINEERING
<br/><br/><label>Dewey Class. No.: </label>D855.73'N72t, L2