United States President Herbert Hoover pulls on a string revealing the plaque of Morris Dam at the dedication ceremony on May 26, 1934. Text on the plaque states, "Morris Dam, Dedicated May 26, 1934 by Herbert Hoover, In Honor Of Samuel B. Morris, Chief Engineer & General Manager of the Pasadena Water Department ... Constructed by the City of Pasadena Water Department for Storage of Domestic Water -- This reservoir will later be used by the Metropolitan Water District of Southern California as a storage unit for Colorado River water." He is surrounded by unidentified people who worked on the dam.
A crowd is gathered to hear former president Herbert Hoover deliver a speech at the Morris Dam dedication. Hoover can be seen on the platform in the left side of the photograph.