King of the Mountains 4.5%! Freeport McMoran Copper and Gold Company's "Hill Turn" conquers the grade above Clifton, AZ. This is the 1st of three Hill turns the FRI will make up the mountain on this day. The train consisting of 21 loads has the five venerable Geeps down to walking speed as they bite into the steepest 4.5% section of the grade.
