Ammonium perchlorate was involved in the 1988 disaster that took place in what Nevada city?
Ammonium perchlorate Ammonium perchlorate ("AP") is an inorganic compound with the formula NHClO. It is a colorless or white solid that is soluble in water. Perchlorate is a powerful oxidizer and ammonium is a good fuel. This combination explains the usefulness of this material as a rocket propellant. Its instability has involved it in a number of accidents, such as the PEPCON disaster.
Champion-Providence Mine Champion-Providence Mine was a consolidation of two adjoining gold mines in Nevada City, California subsequent to the California Gold Rush. After it became the Champion Group following annexation of additional adjacent mining concerns, it become one of the two most productive mining groups in the Nevada City Mining District, alongside the North Star Mine, which eventually purchased it. The Champion-Providence Mine closed in 1920.