Ponton manual. 

 - Washington,  Govt. print. off.,  1915. 
 - 89 p.  illus., diagrs.  17 cm. 
 - Its Professional papers,  no. 33 .
 - Professional papers (United States. Army. Corps of Engineers) ;  no. 33. .
<br/><br/> "War department. Document no. 492. Office of the chief of engineers." 
<br/><br/><label>LCCN: </label>war16000187  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pontoon bridges.
<br/><br/><label>LC Class. No.: </label>UG335  / .U6 1915