66722 Sir Edward Watkin prepares to departs from Middleton Towers on the stub of the Great Eastern Railway line between King's Lynn and Dereham in Norfolk with train 6E84, the 08.20 MFO service to Rockware Glass at Doncaster. This part of the line was opened by the Lynn & Dereham Railway in 1846 and remains open solely for sand traffic from SIBELCO UK's quarry at Leziate.