White Out. White buildings, cars, engines and limestone blend together as FIMX 4023 (ex-NS 4023, née-SOU 4023, GE, B23-7 HH, 4/1981) gets ready to lead the LHoist Crab Orchard-Rockwood, TN turn on Monday, November 21, 2022. The Crab Orchard mine has been open for well over 100 years.