RailPictures.Net Photo: FRI 56 Freeport McMoRan Sierrita Operations EMD GP38-2 at Clifton , Arizona by Jason Cary
 
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Freeport McMoRan Sierrita Operations (more..)
EMD GP38-2 (more..)
Shannon Hill  (more..)
Clifton , Arizona, USA (more..)
October, 2020
Locomotive No./Train ID Photographer
FRI 56 (more..)
Unknown
Jason Cary (more..)
Contact Photographer
Remarks & Notes 
CRAZY Steep Non Compensated Grade! Blasting up a desert mountain at walking speed with 5 Geeps and 22 loads of sulphur and acid! I have done some research to figure out just how steep this grade actually is. First I talked to the crew and found out the hardest pull is from this point to a spot about a 1/4 , mile below. Here is what I have found: The actual grade averages around 3.5 to 3.7%. There is a couple very short spots where it tops 4 to 4.2%. The craziest part is the curves are actually a bit steeper than the straight sections. That means when figuring out compensation the grade against loads could be figured as steep as 5% at this exact spot!
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