Color image of people involved with the Lenten Desert Experience (also called the Nevada Desert Experience), a group demonstrating against nuclear testing. One is carrying a wooden cross.

Color image of a man with his face painted like a mime holding up flowers at a protest involving the Lenten Desert Experience (also called the Nevada Desert Experience), a group demonstrating against nuclear testing.

Color image of protesters involved with the Lenten Desert Experience (also called the Nevada Desert Experience), a group demonstrating against nuclear testing. They are linking their arms and spanning the width of the highway leading to the Nevada Test Site.

A black and white image of the Arizona Club. It opened in 1905 in what became Las Vegas' notorious red light district, Block 16. When Block 16 was closed and bulldozed in January 1942, the Arizona Club's famous bar and fittings were installed in the Horn Room of the Hotel Last Frontier.

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.

A black and white image of government-issued tents set up near Boulder City for people working on Hoover Dam.

A black and white image of people standing by the Boulder Dam Pier sign, which is draped with rattlesnakes. Note: Boulder Dam was officially renamed Hoover Dam in 1947.