Harris , John Henry,    1912- <br/><br/>
Hints on the cyanidation of gold ores :   recommendations for the s mall-scale operator /  
J. H. Harris. 
 - Dar-es-Salaam :   Government Printer  ,   1936. 
 - 32 p.  :    ill.  ;    25 cm. 
 - Tanganyika territory. Dept. of lands and mines. Geological division. Short paper ;   no. 14 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gold --Metallurgy------<br/>Cyanide process--Metallurgy------