Reporting marks

[Anonymous]

Where can I find a list of the various railroad reporting marks used by the railroads prior to the 1960's?

Thanks,
Roger

[Richard A]

Try these links.

http://www.nrhs.com/reporting_marks/

http://www.trainscan.com/data/mark/

You may have to dig further for specific dates on each reporting mark, though.

Good luck.