Keywords: Engineers bridging the wide but placid Po.jpg en Combat Engineers building a treadway bridge atop pneumatic pontons across the wide but placid Po River in Italy 1944 2015-03-18 The Corps of Engineers The War Against Germany Ž Center of Military History U S Army 1985 p 219 Beck Alfred M et al other versions PD-USGov Uploaded with UploadWizard Pontoon bridges |