Flawn Peter T <br/><br/>
Mineral resoruces    Geology,engineering, economics    

 - New York  Wiley           1966 
 - xviii,406p.  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology
<br/><br/><label>Dewey Class. No.: </label>H1.1.N6, K6