Krebs, Robert D., <br/><br/>
Highway materials 
[by] Robert D. Krebs [and] Richard D. Walker. 
 - New York,  McGraw-Hill  [c1971] 
 - xvi, 428 p.  illus., map.  23 cm. 
<br/><br/>
<br/><br/><label>Subjects--Topical Terms: </label><br/>D<br/>Road materials.<br/>Roads--Subgrades.
<br/><br/><label>Dewey Class. No.: </label>625.735  / KRE