[ { "identifier": "ps-2-2003-covered-hopper-rut", "reportingMarks": [ "R" ] }, { "identifier": "ps-2-2003-covered-hopper-ssw", "reportingMarks": [ "SSW" ] }, { "identifier": "ps-2-2003-covered-hopper-prr", "reportingMarks": [ "PRR" ] }, { "identifier": "ps-2-2003-covered-hopper-fec", "reportingMarks": [ "FEC" ] }, { "identifier": "ps-2-2003-covered-hopper-bo", "reportingMarks": [ "B&O" ] }, { "identifier": "ps-2-2003-covered-hopper-cofg", "reportingMarks": [ "CG" ] }, { "identifier": "ps-2-2003-covered-hopper-soo", "reportingMarks": [ "SOO" ] }, { "identifier": "ps-2-2003-covered-hopper-dh", "reportingMarks": [ "D&H" ] }, { "identifier": "ps-2-2003-covered-hopper-wab", "reportingMarks": [ "WAB" ] }, { "identifier": "ps-2-2003-covered-hopper-tc", "reportingMarks": [ "TC" ] }, { "identifier": "ps-2-2003-covered-hopper-crr", "reportingMarks": [ "CRR" ] }, { "identifier": "ps-2-2003-covered-hopper-ri", "reportingMarks": [ "RI" ] }, { "identifier": "ps-2-2003-covered-hopper-mstl", "reportingMarks": [ "M&STL" ] }, { "identifier": "ps-2-2003-covered-hopper-nw", "reportingMarks": [ "N&W" ] }, { "identifier": "ps-2-2003-covered-hopper-frisco", "reportingMarks": [ "SLSF" ] }, { "identifier": "ps-2-2003-covered-hopper-WC", "reportingMarks": [ "WC" ] } ]