People in western clothing and a woman in a bathing suit stand on a parade float with a sign that reads: "This is the house that Jack built. Jack who? Jack pots. Las Vegas Club." This is possibly the Helldorado Days festival parade.

Women in costume sit on fake horses on a parade float that reads, "Helldorado." The Helldorado Days festival parade was first held in 1935.

Spectators at a parade outside of unidentified building This is possibly the Helldorado Days festival parade.

Women in bathing suits sit on a parade float with the words "Nevada's First Atomic Bomb" written on the side and a fake mushroom cloud behind them. The first atomic detonation at the Nevada test site was January 27, 1951. This is possibly the Helldorado Days festival parade.

The U.S.S. Nevada Band posing for a group photograph in front of an unknown building. Inscribed on the front of the image "Department Convention 1924."

The Las Vegas Grammar School class posed together for a photograph in front of the school. Site Name: Las Vegas Grammar School (Las Vegas, Nev.)

The exterior of the new Las Vegas Grammar School with two automobiles parked in front. Site Name: Las Vegas Grammar School (Las Vegas, Nev.) Street Address: 401 South Las Vegas Boulevard