Banning, Lloyd Harold,  1909- <br/><br/>
Fluosilicic acid acidulation of phosphate rock / 
by L.H. Banning. 
 - [Washington] :  U.S. Dept. of the Interior, Bureau of Mines,  [1975]. 
 - 13 p. :  ill. 
 - Report of investigations ;  8061 .
 - United States.  Bureau of Mines.  Report of investigations ;  8061 .
 - Report of investigations (United States. Bureau of Mines) ;  8061 .
<br/><br/><label>LCCN: </label>92015010     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Phosphate rock.<br/>Fluosilicic rock.