training regulations Topography and surveying / War Department : Drafting, basic / War Department training regulations Topography and surveying / War Department : Use of the map in firing / War Department training regulations Topography and surveying / War Department : Tracing / War Department war department technical manual Operation of railroads : General instructions for the inspection and maintenance of locomotives and locomotive cranes war department technical manual Operation of railroads : Mechanical examination for steam locomotive engineers : questions and answers war department technical manual Army supply procedure : Parts 1 and 2 training regulations Military intelligence / War Department : Tactical interpretation of aerial photographs / War Department training manual Topography and surveying / War Department : Map reproduction in the field / War Department technical regulations Topography and surveying / War Department : Surveying tables / War Department training regulations Chemical warfare service / War Department : Examination for gunners / War Department army regulations. military school Chemical warfare service / War Department : Chemical warfare board / War Department technical regulations Harbor defense and railway artillery matériel / War Department : 14-Inch gund, M1920MI an M1920MII / War Department