In 1980 import coal was being shipped from Newport to Didcor Power Station, Class 56's were the staple power, and the trains were regularly assisted through the Severn Tunnel, 47901 is the assisting loco for 56041 as the pair pass Severn Tunnel Junction with loaded HAA's for Didcot, 02/10/80. ©www.railphotoprints.co.uk - John Chalcraft