Officials in the field conducting a land survey for the Hoover Dam project. From left to right, the men include Six Companies Foreman H.S. McDowell; 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 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 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 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.

The grayscale view of Frank T. Crowe, Superintendent of Construction for the Six Companies, looking over site plans for the development of Hoover Dam.

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