National Coal Board North Durham area No.501 (Hunslet 6612, built 1965) at Derwenthaugh Cokeworks near Gateshead in County Durham, 1973.
Boundary changes moved this location into Tyne & Wear in 1974.  The cokeworks has since closed.

Photo and scan by Les Richardson (les@cirsel.freeserve.co.uk)

http://www.cirsel.freeserve.co.uk/trains.htm