Norton, Hugh Stanton,  1921- <br/><br/>
Highway transportation barriers in 20 States / 
[by Hugh S. Norton]. 
 - Washington, D.C. :  U.S. Dept. of Agriculture, Agricultural Marketing Service, Marketing Research Division,  1957. 
 - iv, 40 p. :  ill., maps ;  26 cm. 
 - Marketing research report ;  no. 157 .
<br/><br/> Cover title. 
<br/><br/>Bibliography: p. 38-40. 
<br/><br/><label>LCCN: </label>agr57000101  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Transportation, Automotive--Law and legislation--United States.
<br/><br/><label>LC Class. No.: </label>HD1751  / .A9183 no. 157 
<br/><br/><label>National Agricultural Library Call No.: </label>1  / Ag84Mr no.157