URL: https://digitalcollections.hoover.org/objects/37228 Collection Structure Poster collection > Tanks don't fight in factories! "Keep 'em rolling." The railroads are the first line of defense. Item Title Tanks don't fight in factories! "Keep 'em rolling." The railroads are the first line of defense. Collection Title Poster collection Artist Willmarths Issuing Body Union Pacific Railroad Company Date Created 1941/1945? Description Drawing of a train on the ground with visions of tanks in the sky. Subject(s) Railroads World War, 1939-1945 United States Transportation Railroads and state Social aspects Armored troops Economic aspects Supplies and stores Freight Armed Forces Army Tanks (Military science) 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 4093 Record Number XX343.27604 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.