00807cam a22002411 4500 war17000231 DLC 20260227112811.0 860922s1917 dcua f000 0 eng c war17000231 (OCoLC)14247521 U.S. Army War Coll. Libr. NhD DLC premarc UG335 .U6 1917 United States. Army. Corps of Engineers. Ponton manual. 1917. Washington, Govt. Print. Off., 1917. 95, [2] p. illus., diagrs. 17 cm. Its Professional papers, no. 33 "War Department. Document no. 492. Office of the Chief of Engineers." Pontoon bridges. Professional papers (United States. Army. Corps of Engineers) ; no. 33. 92326 92326