National Coal Board North Durham Area no.10 (Stephenson & Hawthorn 7294, built 1945) at Morrison Busty Colliery, Annfield Plain, in February 1973.  
The loco was new to the War Department as 71485, passing to the NCB in April 1947 at Boldon Colliery.
Morrison Busty Colliery closed on 5th October 1973 and the loco was scrapped in July 1974

Photo and scan by Les Richardson (http://www.cirsel.freeserve.co.uk/trains.html)