Caption at bottom of postcard reads: Night view of the downstream face of Boulder Dam and power house as seen from the Nevada side." Boulder Dam was officially re-named Hoover Dam in 1947.

Caption on postcard reads: "Night view of Boulder Dam and poser house." Boulder Dam was officially re-named Hoover Dam in 1947.

A view of the Winged Figures of the Republic at Hoover Dam; the inscription at the base of the flagpole is printed on the postcard: "It is fitting that the flag of our country should fly here in honor of those men who , inspired by a vision of lonely land, made fruitful, conceived this great work, and of those others whose genius and labor made that vision a reality."

Caption on right of postcard reads: " The Nevada wing of Boulder Dam power house as seen from visitors' gallery." Boulder Dam was officially re-named Hoover Dam in 1947.

A view of visitors boarding an elevator on "[the] Highway on crest of Boulder Dam, with elevator tower where visitors are conducted by guides to powerhouse." Boulder Dam was officially re-named Hoover Dam in 1947.

A view of the upstream face of the newly completed Hoover Dam, intake towers, and rising waters of Lake Mead. Boulder Dam was officially re-named Hoover Dam in 1947.

Caption at right of image reads: "The downstream face of Hoover Dam from the Nevada lookout point." Boulder Dam was officially re-named Hoover Dam in 1947.