47339 passes South Moreton (Didcot East) on 1 December 1983 with eastbound oil tanks. According to the working timetable this could either be the 6M34 08:00 Llandarcy to Thame, or the 6A21 08:00 Llandarcy to Southall, and unfortunately as they both ran as required in the same path, there is little way of telling! Didcot Power Station in the background had still got nearly three decades of useful electricity generation ahead when this picture was taken.