U. S. Department of transportation <br/><br/>
Standard specifications for construction of roads and federal highway projects 

 - Washington, D. C.  U.S. Department of transportation  1974 
 - vi464  p.  vi-  il.  19 
<br/><br/><label>Subjects--Topical Terms: </label><br/>AUTOPISTAS<br/>CARRETERA
<br/><br/><label>Dewey Class. No.: </label>624.28  / Us1*