Comparison of for-hire motor carriers operating under the agricultur al exemption with regulated motor carriers. 

 - Washington, D.C. :    U.S. Department of Agriculture,    1966- 
 - v. :    ill. ;    26 cm. 
 - Annual,    1966 
<br/><br/><label>Dewey Class. No.: </label>PER 338.14 U5