Hydroelectric power plants : Architectural design (June 1948) / Department of the Army. Office of the Chief of Engineers Hydroelectric power plants : General requirements (April 1948) / Department of the Army. Office of the Chief of Engineers Subsurface investigation : Geophysical explorations (September 1948) / Department of the Army. Office of the Chief of Engineers Hydrologic and hydraulic analyses : Flood-hydrograph analyses and computations (March 1948) Foundation grouting : Equipement (April 1948) / Department of the Army. Office of the Chief of Engineers Wall design : Flood walls (January 1948) / Department of the Army. Office of the Chief of Engineers Subsurface investigations : Soils (March 1954) / Department of the Army. Office of the Chief of Engineers training regulations Chemical warfare service / War Department : The technique of chemical weapons / War Department training regulations Chemical warfare service / War Department : Drill, the chemical squad, platoon and company (4-inch and 4.2-inch chemical mortar) / War Department army regulations. military school Chemical warfare service / War Department : Chemical warfare board / War Department army regulations. military school Chemical warfare service / War Department : General provisions / War Department army regulations. military school Chemical warfare service / War Department : General provisions / War Department