On Jul 8, 2021, at 8:07 AM, Jeff Coleman <traininsp@gmail.com> wrote:

I need help dating this photo of these OCRX tank cars at Conneaut, Ohio.

It would appear that the OCRX reporting mark (Oil Creek Refining Co.) disappeared from the ORERs between the July 1935 and July 1937 issue, suggesting that the photo cannot have been taken after the mid-1930s.

Ian Cranstone
Osgoode, Ontario, Canada
lamontc@nakina.net
http://freightcars.nakina.net