3.2002.2014: Housing, Government: United States. Maryland. Perryville: Governmental Agencies of House Construction. U.S. War Department, Industrial Service Section of the Ordnance Department, Housing Branch: Perryville, Maryland; U.S. Ammonium Nitrate Plant, Atlas Powder Company, Agent. Classroom in schoolhouse, and hospital building. (See preceding card for other pictures and description of schoolhouse.)