Black and white image of the group of men who witnessed the pouring of the first concrete in Hoover Dam proper. From left to right: H. J. Lawler, Director of Six Companies, Inc.; Walker R. Young, Construction Engineer, U.S. Bureau of Reclamation; Frank T. Crowe, General Superintendent, Six Companies, Inc.; C. A. Shea, Director of Construction, Six Companies, Inc. W. A. Bechtel, President, Six Companies, Inc.; R. F. Walter, Chief Engineer, U.S. Bureau of Reclamation; Theodore A. Walters, First Assistant Secretary of the Interior ; Ed Clark & C. P. Squires, members of the original Colorado River Commission. Note: Boulder Dam was officially renamed Hoover Dam in 1947.

Dorothy Bell Scans UNLV-Public Lands Institute. Photograph of two men, Rex Bell (George Francis Bell) is located on the right. Hand written on the back of image: "Death Valley Days - Please return to Gov. Bell."

Donald Richard Schuyler, Sr. with his children Donald Richard Schuyler, Jr. and Gail (Schuyler) Walsh, reading to them from the book "The Citadel" by A. J. Cronin. The location is unknown, but is possibly Honolulu, Hawaii.