00778cam a22002291  4500001001300000003000400013005001700017008004100034010001700075035002000092040004000112042001200152050002000164110004700184245002500231260004300256300004000299490003700339500007400376650002100450830007700471war17000231 DLC20260227112811.0860922s1917    dcua         f000 0 eng c  awar17000231   a(OCoLC)14247521  aU.S. Army War Coll. Libr.cNhDdDLC  apremarc00aUG335b.U6 19171 aUnited States.bArmy.bCorps of Engineers.00aPonton manual. 1917.  aWashington,bGovt. Print. Off.,c1917.  a95, [2] p.billus., diagrs.c17 cm.1 aIts Professional papers,vno. 33  a"War Department. Document no. 492. Office of the Chief of Engineers." 0aPontoon bridges. 0aProfessional papers (United States. Army. Corps of Engineers) ;vno. 33.