National Coal Board South Durham Area No.72 (Vulcan Foundry 5308, built 1945) pauses for the shunter to uncouple the train at South Hetton Colliery in 1972.  
The loco is now preserved at the Colne Valley Railway.

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

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