The Worksop Whistler Class 20 locomotives 20057 (D8057) 20154 (D8154) 20059 (D8059) & 20168 (D8168) Top & Tailed thhis tour, "The Worksop Whistler" this was a tour run by the Worksop Open Day Committee, from Derby & back to Derby via many Coal Mines in the Derbyshire/Nottinghamshire area that have gone now, namely,, Bolsover Colliery, Welbeck Colliery, Bilsthorpe Colliery, High Marnham Power Station, Bevercotes Colliery, £25 for a 195 mile trip with 20's around the coal fields., Worksop depot lost its allocation of 20's on the 13th March 1992, , , 28th June 1992