Ponton manual. 1917. 

 - Washington,  Govt. Print. Off.,  1917. 
 - 95, [2] 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>war17000231  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pontoon bridges.
<br/><br/><label>LC Class. No.: </label>UG335  / .U6 1917