In a message dated 12/19/2015 5:10:59 P.M. Central Standard Time, STMFC@... writes:

"Kind of" Most of the bigger yards had a home made rig using an adjustable plate which could be raised and lowered so the engine could push the boards sticking out back in to the bundle.  See 11:46- 12:06 in the movie "Right & Wrong Way to Deliver a New Television!" by the Santa Fe Railroad filmed in the 50's for a particularly heavy duty example in action.

https://www.youtube.com/watch?v=cHRGkGFwo7k

Mark Rickert