Moyer, W. Irwin  <br/><br/>
Concrete and flexible iron in culvert service 
W. Irwin Moyer, M. Sc.	 
 - Middletown, Ohio :   The ARMCO International corporation,   S/F 
<br/><br/><label>Subjects--Topical Terms: </label><br/>HORMIGON<br/>ALCANTARILLAS
<br/><br/><label>Universal Decimal Class. No.: </label>625.7