Continuous flotation testing to recover cobalt from Missouri lead ores / 
by W. L. Cornell ... [et al.]. 
 - [Avondale, Md.] :  U.S. Dept. of the Interior, Bureau of Mines,  1987. 
 - 11 p. :  ill. 
 - Report of investigations ;  9072 .
 - Report of investigations (United States. Bureau of Mines) ;  9072. .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cobalt--Metallurgy.<br/>Cobalt ores--Missouri.<br/>Lead ores--Missouri.<br/>Flotation.
<br/><br/><label>LC Class. No.: </label>TN23  TN799.C6  / .U43 no. 9072 
<br/><br/><label>Dewey Class. No.: </label>622 s  669/.733�19