More tank car number series help


Clark Propst
 

My only printed ORER is the NMRA 53 version. I do have a few Westerfield CDs, but they do not contain all the private owner cars.
I’ve got my roster done now except for these two tank cars CWTX 3213, 3216. Would really appreciate info on these cars.
Thanks!!
Clark Propst
Mason City Iowa

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