SPURR, J.E. <br/><br/>
Political & commercial geology & the world's mineral resources 
SPURR, J.E. 
 -  1920 
<br/><br/><br/>In English 
<br/><br/><label>Subjects--Topical Terms: </label><br/>GEOLOGY, ECONOMIC
<br/><br/><label>Dewey Class. No.: </label>NHIII,8  1920