Whitaker, J Russell. <br/><br/>
American resources :  their management and conservation / 
J. Russell Whitaker and Edward A. Ackerman. 
 - New York :  Harcourt, Brace and company,  c 1951. 
 - x, 497 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>337  337 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural resources--United States.--Management
<br/><br/><label>Dewey Class. No.: </label>333.973 / W58a