Dorr, John Van Nostrand,  1872- <br/><br/>
Cyanidation and concentration of gold and silver ores / 
by John V. N. Dorr and Francis L. Bosqui. 
 - Second edition 
 - xv, 511 pages :  illustrations ;  23 cm. 
<br/><br/>Bibliography: p. 484-486. 
<br/><br/><label>LCCN: </label>51000040  
<br/><br/><label>Nat. Bib. No.: </label>GB51-391 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cyanide process.<br/>Gold--Metallurgy.<br/>Silver--Metallurgy.
<br/><br/><label>LC Class. No.: </label>TN767  / .D6 1950 
<br/><br/><label>Dewey Class. No.: </label>622.342