Description provided with image: "Ground breaking at NSU for radiological lab building USPHS. L-R: D. R. Chadwick, Chief, Division of Radiological Health, Washington,D.C.; Alan Bible, U. S. Senator from Nevada; Oliver R. Placak, officer in charge, SW Radiological Lab, Las Vegas; Dean William Carlson, NSU; Mrs. Juanita White, Regent University of Nevada; Richard Ronzone, regent; Howard Cannon, U.S. Senator from Nevada."
The Las Vegas businessmen for Six Companies Inc. Handwritten on back of image: "Probably Nellis AFB (Air Force Base). Front row (from left): J. Cashman 3) Fred O'Donnell 7) Leo MacNamee 8) Bill Pike 10) Cyril Wengert 12) Walter Bracken 18) Ed Ciliax 21) Pop Squires 24) F. Garside 27) Archie Grant 30) Kel Houssels Sr. 31) Ernie Cragin.