Jones, W. R.  1880- <br/><br/>
Minerals in industry / 
W. R. Jones 
 - Harmondsworth, Eng. :  Penguin Books,  1943 
 - viii, 9-149 p. :  ill., map ;  18 cm. 
 - Pelican books .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mines and mineral resources
<br/><br/><label>Dewey Class. No.: </label>338.2