An image of two unidentified children in costume standing outside the Boulder Dam Service Bureau Building; words "Boulder Theater Building General Offices" and "Boulder Dam Service Bureau" are printed on windows.

An image of an unidentified boy in costume standing outside the Boulder Dam Service Bureau Building; the words "Boulder Theater Building General Offices" are printed on the window.

An image of an unidentified girl in a costume posing in front of the Boulder Dam Service Bureau Building.

An image of an unidentified girl standing in front of the Boulder Dam Service Bureau Building; the words "Boulder Theater Building General Offices" are printed on the window.

The view of the white Boulder Dam Hotel in Boulder City, Nevada. The hotel is located at 1305 Arizona Street on what was originally known as the Cardenas Plaza. Transcribed onto the roof of the hotel: "Boulder Dam Hotel."

The view of the white Boulder Dam Hotel in Boulder City, Nevada. The hotel is located at 1305 Arizona Street on what was originally known as the Cardenas Plaza. Transcribed onto the roof of the hotel: "Boulder Dam Hotel."

The view of buildings along Arizona Street in Boulder City, Nevada. On the left side of the street is the Boulder Cafe, with signs advertising the cafe across the top of the building. On the right side of the street lies the white Boulder Dam Hotel, which is located at 1305 Arizona Street on what was originally known as the Cardenas Plaza. Transcribed onto the roof of the hotel: "Boulder Dam Hotel."