From the Las Vegas City Commission Records (MS-00237). Index 2 of 2 of Las Vegas City Commission Minutes, 1911-1960. Materials were donated in 1980 and 1985 by Guy Rocha; accession numbers 1980-188 and 1985-088.
Description printed on photograph's accompanying sheet of paper: "Hughes thanks State Department for Co-operation. Washington, D. C. -- Howard Hughes (left), with Jesse Hones (right), Chairman of the RFC, leaving the State Department here, July 21, after Hughes personally thanked Secretary of State Cordell hull for the cooperation of the State Department in clearing Hughes departure in the round-the-world record flight. Credit Line (ACEM) 7/21/38."