Riley Charles M <br/><br/>
Our mineral resources 

 -  1959 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>49441 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Minerals
<br/><br/><label>Dewey Class. No.: </label>H7, J9;1