URL: https://digitalcollections.hoover.org/objects/37229 Collection Structure Poster collection > They're all "engines of war." "Keep 'em rolling." The railroads are the backbone of offense. Item Title They're all "engines of war." "Keep 'em rolling." The railroads are the backbone of offense. Collection Title Poster collection Artist Willmarths Issuing Body Union Pacific Railroad Company Date Created 1941/1945? Description Drawing of a train, tanks, airplanes, and artillery guns. Subject(s) Supplies and stores Social aspects World War, 1939-1945 Freight Railroads Railroads and state United States Economic aspects Transportation Armed Forces Language(s) English Country of Origin United States Country of Origin United States Dimensions Overall: 23 x 16 in. (58.4 x 40.6 cm) Format Poster Medium political posters Color color Color color Hoover ID Poster US 4094 Record Number XX343.27605 Collection Guide https://oac.cdlib.org/findaid/ark:/13030/kt829015km Rights This work may be protected by copyright laws and is provided for educational and research purposes only. Any infringing use may be subject to disciplinary action and/or civil or criminal liability as provided by law. If you believe you are the rights holder and object to Hoover's use of this work, please contact the Hoover Institution Library & Archives.