Black and white image of the Union Pacific streamliner brought to the Hoover (Boulder) Dam site with special a train via Six Companies Inc. This corporation was formed through six different companies in order to build the Hoover Dam.
SP, LA & SL Union Plaza Depot in Las Vegas, Nevada. Additional description provided with photograph: "Union Plaza Depot, 1918 ID by Shirley Ferron Swanson, October 25, 1983."
A black and white image of a train taken near the Six Companies yard north of Boulder City, heading south. Information from back of photo or photo sleeve states "First passenger train entering Boulder City," however, the train is going in the wrong direction.