I don't know how this query ended up in the "Railroads in Books, Magazines, Music, TV and Movies and other Media" forum. It is being moved to the Pennsylvania Railfan Forum where it is more likely to be seen by someone who could provide a knowledgeable reply.
Art Audley, AA3RT
Moderator: Railroad Radio & Communications, Railroads in Books, Magazines, Music, TV and other Media, General Discussion: Fallen Trolley & Interurban Lines, General Discussion: Shortline, Industrial & Military Railroads,