Black <br/><br/>
Direct filtration of lake superior water for asbestiform fiber removal / 
by Black and Veatch 
 - Washington :  U.S. G.P.O.,  1975 
 - xi,107 p. :  ill. ;  28 cm. 
 - Environmental Protection Technology Series .
<br/><br/> EPA-670/2-75-050a 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mechanical Treatment
<br/><br/><label>Dewey Class. No.: </label>628.164