Whitaker, J. Russell <br/><br/>
American resources :  their management and conservation / 
J. Russell Whitaker and Edward A. Ackerman 
 - New York :  Harcourt,  1951 
 - 497 p. ;  24 cm. 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural resources--Management--United States<br/>Conservation of natural resources--United States<br/>Land use