field manual Corps of engineers : construction and routes of communication Permits for work in navigable waters / Corps of engineers ; Department of the army Instruction in military engineering : Military bridging and use of spars / School of military engineering field manual Explosives and demolitions / Prepared under direction of the chief of engineers field manual Troops and operations / prepared under direction of the chief of engineers field manual Communications, construction and utilities / prepared under direction of the chief of engineers Bridge regulations governing the operation of drawbridges across navigable waters of the United States / Department of the army, corps of engineers army regulations. military school Engineer school / War Department Military engineering : Roads / Army Council Working instructions (Canadian) : Wireless sets no. 19 : mark II, as manufactured in Canada and the U.S.A. / published by the director of signals … Military engineering : Defences / Army Council Manuel of elementary field engineering
