Sedan Crater was formed when a 100 kiloton (KT) explosive was fired at the Nevada Test Site on July 6, 1962, displacing 12 million tons of earth. The crater is 320 feet deep and 1280 feet in diameter.
Protestors at the Nevada Test Site circa 1980-1999. Sister Rosemary Lynch can be seen with sunglasses and a blue jacket in the middle left of the photo.