Allen, Shirley W <br/><br/>
Conserving natural resources: principles and practice in a democracy 

 - New York  McGraw-Hill  1955 
 - ix, 347p. : ill 
<br/><br/><label>Subjects--Topical Terms: </label><br/>NATURE<br/>CONSERVATION OF NATURAL RESOURCES<br/>NATURAL RESOURCES
<br/><br/><label>LC Class. No.: </label>QH 75 All