Water Pollution Control :  Progress Report for 1950 Through 1952 

 - California :   Water Pollution Control Boards,  1952  
 - WPCB Publication nro. 5 .
<br/><br/><label>Standard No.: </label>DEX-M3689 
<br/><br/><label>Subjects--Topical Terms: </label><br/>AGUA<br/>POLUCION
<br/><br/><label>Universal Decimal Class. No.: </label>628.39