U.S. Route 191 in eastern Arizona, nicknamed the "Morenci 500," has seen a high number of collisions due to speeding and reckless driving. Local law enforcement, facing staffing shortages, has ...

In 1996, Morenci’s two 600-foot-high smelter stacks were demolished along with the 300-foot-high stack erected in 1913 by the Arizona Copper Co. the following year. Freeport-McMoRan acquired ...