Images of the Las Vegas Valley as seen from City View Trail above the Sun City MacDonald Ranch neighborhood of Henderson, Nevada.

Images of the Las Vegas Valley as seen from City View Trail above the Sun City MacDonald Ranch neighborhood of Henderson, Nevada.

Images of the Las Vegas Valley as seen from City View Trail above the Sun City MacDonald Ranch neighborhood of Henderson, Nevada.

A black and white photograph of an unidentified person sitting in the "Lost City" Pueblo Grande de Nevada, which is located near Overton, Nevada.

Exteriors of the Boulder Dam Service Bureau and Boulder City Theatre covered with snow. Snow-covered automobiles are parked on Arizona Street, and the Boulder Dam Hotel and the Union Bus Terminal can be seen in the distance.

Black and white image of one of three residences used as one of Boulder City's first schools. Inscription on back of image reads: "This was a Six Companies house at the intersection of Avenue B and what was then Cherry Street, now New Mexico Street; also, this wasn't quite the first school: there were schools for rail yard, a school at Railroad Pass, and a school in McKeeversville/Lakeview."