Smith, Helen Virginia <br/><br/>
Transportation of grain in the Southwestern states by rail and truck 1960-62 / 
Helen Virginia Smith 
 - Washington :  USDA ,  1966 
 - iv, 26p. :  ill. ;  30 cm. 
 - Statistical bulletin .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Crop transportation<br/>Transport<br/>Grain
<br/><br/><label>Dewey Class. No.: </label>631.37  / US