The concord skies are lit up by the fallout of an atomic bomb detonated in Nevada. Power lines, homes, and, in the distance, hills, are silhouetted by the glares. Photo correction has been made along top and sides of image. Small clip taped to back reads: "The light of dawn came early to Concord today, but only for a brief moment when the atomic blast went off in Nevada. Houses are silhouetted in the foreground and the peak of Mt. Diablo in background.---Tribune photo by Russ Reed" Stamped to back: "Feb 6 1951