The picture is all too appropriate in a year when we became significantly dependent on non-steam, Western Pathfinder being by far the most active locomotive. About a quarter of all service trains were hauled by a non steam engine.
The Links on the left are to html or pdf files which should be accessible on all computers.
The pdf graphs take a little time to download. Don't multi click or you may 'lock up'.
On the graphs use the '-' or '+' buttons until the graph fits your screen