Bianchi, Ralph A. <br/><br/>
The development and demonstration of an underwater oil harvesting techniques / 1973 
by Ralph A. Bianchi and George Henry 
 - Washington, D.C. :  United States Environmental Protection Agency,  1973 
 - viii, 86 p. :  ill. ;  29 cm. 
 - Environmental protection technology series  no.EPA-R2-73-205 .
<br/><br/>Includes bibliographical references 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mineral extraction<br/>Excavation
<br/><br/><label>Dewey Class. No.: </label>622.295