Chanlett, Emil T. <br/><br/>
Environmental protection / 
by Emil T. Chanlett. 
 - New York :  McGraw-Hill,  c1973 
 - xvi, 569 p. :  illus. ;  24 cm. 
 - McGraw-Hill series in water resources and environmental engineering .
 - McGraw-Hill series in water resources and environmental engineering .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0070105200 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental protection<br/>Environmental health<br/>Air--Pollution--Prevention<br/>Environmental Health<br/>Sanitation
<br/><br/><label>Dewey Class. No.: </label>614.7  / CHE 1973 
<br/><br/><label>National Library of Medicine Call No.: </label>WA670 C459e 1973