technical regulations Fortification : underground water and its relation to fieldworks / prepared under direction of the Chief of Engineers Water heaters : inspection and preventive maintenance service : TM 5-649 Field works, mining and water supply stores : Section W 1 Bridge regulations governing the operation of drawbridges across navigable waters of the United States / Department of the army, corps of engineers Military engineering : Water supply / Army Council field manual Water transportation: oceangoing vessels Permits for work in navigable waters / Corps of engineers ; Department of the army Scheepsruimte bij vervoer van materieel te water