Water-pollution control in the primary nonferrous-metals industry 
by J.B. Hallowell...(et al.) 
 - U.S. Environmental Protection Agency, Washington D.C.  Office of Research and Monitoring  1973 
 - v. : ill. ; 27 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water--Pollution--Prevention and control