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Title: Operation Plowshare, Sedan Crater
Caption: Storax Sedan, an underground 100-kiloton thermonuclear test conducted at Nevada Test Site on July 6, 1962 as part of Operation Plowshare, was a program designed to develop peaceful uses for nuclear explosives, such as canal and harbor building. Sedan left the largest man-made crater in the United States, displacing 12 million tons of earth and measuring 320 feet deep by 1280 feet in diameter. A circular area was leveled at the bottom of the crater to stop earth that might slide into the center, where sample drilling began eight months after the detonation.
Category: SCIENCE • black & white • History: Modern
Credit: Album / Science Source / LLNL/Omikron
Image size: 3733 × 2904 px | 31.0 MB
Print size: 31.6 × 24.6 cm | 1469.7 × 1143.3 in (300 dpi)