Llewellyn, T.O. <br/><br/>
Beneficiation of high-magnesium phosphate from southern Florida / 
by T.O. Llewellyn ... [et al.]. 
 - [Washington, D.C.] :  U.S. Dept. of the Interior, Bureau of Mines,  1982. 
 - 16 p. :  ill. ;  27 cm. 
 - Report of investigations / United States Department of the Interior, Bureau of Mines ;  8609 .
 - Report of investigations (United States. Bureau of Mines) ;  8609. .
<br/><br/> Errata slip inserted. 
<br/><br/>Bibliography: p. 16. 
<br/><br/><label>LCCN: </label>81012298  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Flotation.<br/>Phosphates--Florida.<br/>Magnesium phosphate.
<br/><br/><label>LC Class. No.: </label>TN23  TN523  / .U43 no. 8609 
<br/><br/><label>Dewey Class. No.: </label>622/.34629 
<br/><br/><label>Gov. Doc. Class. No.: </label>I 28.23:8609.