Anybody knows anything about the mystery engine?

Name	Type	Comments	Date

Daniel Savage	General	It is in Fort Worth at Centennial Yard this morning. Still covered up.	1/1/2019 9:40:55 AM

Steve Young	General	Claimed in LocoNotes (Railfan & RR mag) to have been Phelps-Dodge Copper #53, so it's a GP38.	7/29/2019 5:24:38 AM

Mike Murray	General	PHDX 53 (GP38) Serial Number: 37375 Order No: 5769 Frame Number: 5769-1 Built: 4/1971	4/20/2020 1:21:01 PM

Mike Murray	General	FMIX now owns the old Phelps Dodge mine.	4/20/2020 1:21:38 PM

Anybody knows anything about the mystery engine?
Date: 12/26/2018	Location: Pine Bluff, AR	Views: 386	Collection Of: G Gerard
Locomotives: FMIX 53(GP38)			Author: G Gerard

Picture Categories:		This picture is part of album: UP Pine Bluff terminal