Diagram of log holes, Hoover (Boulder) Dam. Note on back: "Copy of Bureau of Reclamation diagram. Stuck some drills in river bottom and recovered them after the river was diverted. - W. A. Davis, 1992."
Black and white image of officials from the Six Companies of San Francisco and the Bureau of Reclamation, as well as some local individuals, signing the contract to construct Hoover Dam (note: Boulder Dam was officially renamed Hoover Dam in 1947). Dr. Elwood Mead is signing the contract. Seated next to him is Henry J. Kaiser. Also identified in the photograph (in no particular order) are W.R. Armstrong, Walker Young, R.F. Walter, and Louis Crampton.
The grayscale view of the inner lobby of the Boulder Dam Hotel in Boulder City, Nevada. A variety of furniture can be seen in the room, along with a lighted fireplace. The hotel is located at 1305 Arizona Street.