The Coker-Coaler This tour visited many freight lines in the North Derbyshire/Souh Yorkshire that are not there today, long since disused and lifted, Harworth, Rossington, Bentley and Grimethorpe collieries were visited along with the Monk Bretton branch to the glass works, 37422 was the main tour loco, with assisting loco 37514 Derby back to Sheffield., , 6th March 1993