Title: Civil engineering
Subjects: Design and construction, Drainage, Fences, Gates, Handbooks, manuals, Hydraulic engineering, Hydrology, Pavements, Purification, Railroad tracks, Railroads, Refuse and refuse disposal, Sewage, Sewage disposal, Soil conservation, Surveying, Track, United States, United States. Naval Facilities Engineering Command, Water, Water quality management, Waterworks
Places: United States