GACX 72701-72710
Roster:
GACX 72701-72710 (to JMHX, then to ECQX same numbers)
These cars were built by Thrall in 11/1970 as 89-ton, 7300 ft3 cars. They subsequently went to JM Huber as JMHX cars, and then to Engineered Carbons as ECQX cars with the same numbers.