Salkield, Leonard Unthank. <br/><br/>
A technical history of the Rio Tinto mines :  some notes on exploration from pre Phoenician times to the 1950's / 
Leonard Unthank Salkield. 
 - London :  Institution of Mining and Metallurgy,  1987. 
 - 114p. 
<br/><br/><label>LCCN: </label>91023062 
<br/><br/><label>Subjects--Corporate Names: </label><br/>Rio Tinto Company--History.
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mineral industries--History.<br/>International business enterprises--History.