Macdonald, Eoin H. <br/><br/>
Allluvial mining :  the geology, technology and economics of placers / 
Eoin H. Macdonald 
 - London :  Chapman & Hall,  1983 
 - 508 p. :  ill. ;  23 cm. 
<br/><br/> includes index 
<br/><br/><label>ISBN: </label>0412246309 
<br/><br/><label>LCCN: </label>82-22215 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Placer mining<br/>Placer deposits