Caption: A couple miles north of Anzac on the Northern Alberta Railways line to Waterways in Fort McMurray, there was an area of muskeg, and a long but low pile trestle over one drainage area at mileage 263.5 with a reputation for experiencing a progressive wave action as a train passed over it. On Monday 1980-09-22, Mixed Extra 303 North with 311 trailing passed over at 1643 MDT without demonstrating that characteristic. The sapling on the far right was found lying nearby while I waited for the train to arrive, so was placed into the view for a bit of artistic balance!