McDill, Edward L. <br/><br/>
Minerals and men :  an exploration of the world of minerals and its effect on the world we live in / 
James F. McDivitt. 
 - Baltimore :  Published for Resources for the Future by the Johns Hopkins,  1965. 
 - 158 p. :  ill. ;  20 cm. 
<br/><br/>p. 157-158 
<br/><br/><label>LCCN: </label>64-17636 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mines and mineral resources<br/>Mineral industries<br/>Resources for the Future