A dust cloud carries fallout down the mountains from the Schooner test on December 8, 1968. Sch …

A dust cloud carries fallout down the mountains from the Schooner test on December 8, 1968. Sch ...

A dust cloud carries fallout down the mountains from the Schooner test on December 8, 1968. Schooner was part of the Plowshare Program that investigated the use of nuclear explosions for non-military industrial purposes. (Jeanne Sharp Howerton)