Highsmith, Richard M.  1920- <br/><br/>
Conservation in the United States / 
by Richard M. Highsmith, Jr., J. Granville Jensen and Robert D. Rudd. 
 - 2nd ed. 
 - Chicago :  Rand McNally,  c1969. 
 - 407 p. :  illus., maps.;  26 cm. 
 - Rand McNally geography series .
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/>
<br/><br/><br/>english 
<br/><br/><label>LCCN: </label>68016838  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural resources--United States.<br/>Conservation of natural resources--United States.
<br/><br/><label>LC Class. No.: </label>HC103.7  / .H5 1969 
<br/><br/><label>Dewey Class. No.: </label>333.72/HIC