Railway mail service

Chicago, Burlington & Quincy Railway locomotive #3004 in a rail yard in Villisca, Iowa. The engine is labeled "US Mail Railway Post Office" on the...

Chicago, Burlington & Quincy Railway locomotive #9732 in a rail yard in Villisca, Iowa. Buildings are seen behind the train with empty tracks beside...

Chicago, Burlington & Quincy Railway locomotive #9813 stopped in Clarinda, Iowa. The engine is labeled on the side with "US Mail Railway Post Office".

Chicago, Burlington & Quincy's gas electric train #9852 in Red Oak, Iowa. "U.S. Mail Railway Post Office" on side of train. Snow is on the ground and...

Chicago, Burlington & Quincy's diesel train #9105 pulling train #9852 in Red Oak, Iowa. An unidentified one story building is partially seen behind...