Original Print Ad Published in National Geographic August 1943. It is NOT a later reprint, photocopy or any kind of reproduction.
Electro-Motive Division GM Diesel Power Truck Plate Serial L16518 June 1953
1944 GM Diesel Power Advertisement WW2 Era B&O Railroad Baltimore Ohio DWP7A
1944 GM Diesel Power Train Advertisement WW2 Era Rio Grande Railroad DWP7A
PRINT AD 1943 GM Diesel Power Great Northern Railway Freight Locomotive WWII
1943 Print Ad GM Diesel Power Railroading Crosses a New Frontier WWII Home Front
GM diesel 1962 September calendar month family of engines