Renner, George Thomas <br/><br/>
Conservation of national resources  an educational approach to the problem. 

 - N.Y.  J. Wiley  1942. 
 - 228 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural resources--United States.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States--Economic conditions.