McNall, P.E <br/><br/>
Our natural resources 

 - 2nd ed. 
 - Illinois  Intentate Printers  1964 
 - xvi,280 p.  Illustration 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ECONOMICS
<br/><br/><label>Dewey Class. No.: </label>333.7  / MCN