Date photos from freight cars

Marty McGuirk

Both of these images show the Enosburg Falls, Vermont condensary at two different times - The image with the GTW reefer is the building after it had been modified with an updated water tank and chimney. I’m trying to narrow down the dates these images may have been taken. 

Any clues from the freight cars as to when these photos may have 

Thanks in advance, 

Marty McGuirk

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