00795cam a22002411 4500 war16000187 DLC 20260227112811.0 800415s1915 dcua f000 0 eng c war16000187 (OCoLC)6205022 U.S. Army war coll. Libr. OCl DLC premarc UG335 .U6 1915 United States. Army. Corps of Engineers. Ponton manual. Washington, Govt. print. off., 1915. 89 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. 92297 92297