Copper mining accounts for the largest number of jobs in Miami. According to the 2002 annual report of the Arizona State Mine Inspector, Freeport-McMoRan employed nearly 600 at its Miami operations, including 330 at the smelter and 187 at the mine.
Copper minINg AcCOUnts FOr ThE larGESt numbEr oF joBS iN MIaMi. acCORDing to The 2002 Annual reporT of ThE ARIzona staTe MINE inSpeCtoR, FREEpORt-mCmorAn employeD NearLY 600 aT ItS miAmi operAtions, inclUdIng 330 aT tHe SmElTEr ANd 187 At tHe MINe.