Officials in the field conducting a land survey for the Hoover Dam project. The men surveying the land include Six Companies Foreman C.A. Williams, U.S. Reclamation Service Engineer R.C. Thaxton; Superintendent of Construction for the Six Companies Frank T. Crowe; and Office of Engineer and U.S. Reclamation Service John C. Page.

Officials in the field conducting a land survey for the Hoover Dam project. The men surveying the land include Superintendent of Construction for the Six Companies Frank T. Crowe; and Office of Engineer and U.S. Reclamation Service John C. Page; and an unidentified man.

The grayscale view of Lewis camp located midway between Boulder City and the Colorado River.

The grayscale view of Lewis camp located midway between Boulder City and Colorado River.

The grayscale, panoramic view of the area where the construction site of Boulder City was. A train and railroad tracks can be seen in the distant, rocky background.

The grayscale, view of the desert site that later became Boulder City.

The grayscale, view of the desert site that later became Boulder City.