Overlooking Hemenway Wash and the future bed of Lake Mead (second from left): R. F. Walter, chief engineer for U.S. Bureau of Reclamation; (standing behind woman): Glen E. "Bud" Bodell, chief of Six Companies' security.

An unidentified man and woman, wearing costume crowns, seated aboard a passenger train, during a Las Vegas Day celebration. They are probably members of the Elbert Edwards family.

An image of people sitting at the head table at a Rotary Club luncheon at Boulder Dam. Note: Boulder Dam was officially renamed Hoover Dam in 1947.

An image of Rotary Club members having lunch at Boulder Dam. Note: Boulder Dam was officially renamed Hoover Dam in 1947.

An image of Rotary Club members having lunch at Boulder Dam. Earl Brothers is also present in this photograph. Note: Boulder Dam was officially renamed Hoover Dam in 1947.

An image of Rotary Club members having lunch at Boulder Dam while Earl Brothers speaks. Note: Boulder Dam was officially renamed Hoover Dam in 1947.

An image of Rotary Club members having lunch at Boulder Dam. Note: Boulder Dam was officially renamed Hoover Dam in 1947.