Design of water quality surveillance systems :  phase I, systems analysis framework / 
NUS Corporation, Cyrus Wm. Rice Division 
 - Washington :  U.S. Government Printing Office,  1970 
 - 303 p. :  ill., maps (part fold.) ;  28 cm. 
 - Water pollution control research series ;  16090 DBJ 08/70 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water quality management--United States<br/>Information storage and retrieval systems--Water-supply
<br/><br/><label>Dewey Class. No.: </label>363.739460973