58, 57, 51 & 56 depart Morenci with the first of three trains for the interchange sidings at Clifton, 4 Nov 2019. This was the first of three runs down the hill using two sets of locos...
Freeport-McMoRan Industries, formerly known as Phelps Dodge until 2007, 5-pack of re-geared GP38s ease down the 5% grade to the AZER interchange yard at the bottom of the hill.