On a sunny and bright October 23, 2020, Freeport-McMoRan EMD GP38/38-2 locomotives work hard on a train of loaded acid tank cars curving through corral cut while climbing the steep grade from Clifton to the FMI facilities at Morenci, Arizona. FMI EMD GP38 No. 51 still wears the blue, white and red colors of former owner Phelps-Dodge.