With the Teesport Oil Refinery dominating the background, 37029 & 37038 slowly traverse the Seal Sands branch on 22 April 2000 with the Pathfinder Tours 1Z39 15:30 Seal Sands to Swindon 'Cleveland Crusader' railtour. Although this area of Port Clarence is still very industrial, it is nothing compared with a hundred years ago, when the area to the right of this picture was covered with a vast network of lines, serving a huge number of industrial sites, including salt works, soda works, lime works and coke ovens.