The grayscale view of Sims Ely at his desk in an unknown building located in Boulder City, Nevada.

The grayscale view of Sims Ely at his desk in an unknown building located in Boulder City, Nevada.

The grayscale view of Union Pacific employee W. R. Armstrong, Mr. and Mrs. D. E. Shelley, and ticket master N. E. McKinnon standing next to railroad cars in Boulder City, Nevada. A white sign can be seen in the background reading: "Boulder City."

The grayscale view of eight men standing in front of the Post Office of Boulder City, Nevada. From left to right, the men include R. J. Coffey, P. J. Dent (possibly P. J. Beut), Charles A. Dobbel, Dr. Mead, R. F. Walter, J. R. Finney, W. R. Armstrong, and J. R. Alexander. The sign above the entrance of the building reads: "Post Office."

The grayscale view of six men standing in front of a Post Office in Boulder City, Nevada. The men include R.J. Coffey, P.J. Beut (possibly P.J. Dent), Charles A. Dobbel, Dr. Mead, R.F. Walter, J.R. Finney, W.R. Armstrong, and J (possibly J.R. Alexander.)

The grayscale view of S.L.C. Contractor S.B.D. Siegfus, Las Vegas Review Journal Al Cahlan, Beverly Hills Contractor P.S. Webb, Construction Engineer Walker Young, and Office of Engineering for the U.S. Reclamation Service John C. Page in an unidentified office building located in Boulder City, Nevada

Mrs. Edith Powell, the first woman resident of Boulder City, in Boulder City, Nevada. Mrs. Edith Powell is wearing a white dress and holding a small dog while standing in front of her wrinkled tent house.