Unidentified photographer 1957, 18 August Atomic detonation "Shasta" 9 x 7 ins (230 x 180 mm)
Private collection of Brad Feuerhelm The mushroom from the atomic detonation "Shasta" rises some 30,000 feet over the Nevada testing site August 18th. The device was finally set off after 19 days of delay due to unfavorable weather. It was detonated from a 500-foot tower and was equal to some 10,000 tons of TNT. The streak at right is a cloud-sampling rocket.
