Four Choppers Class 20 locomotives 20154 (D8154) 20057 (D8057) 20168 (D8168) & Railfreight liveried 20059 (D8059) have just pulled into Sheffield with the "The Worksop Whistler" which was quadrupule headed from Worksop, a first for me! this was a tour run by the Worksop Open Day Committee, to many Coal Mines in the Derbyshire/Nottinghamshire area that have gone now., , 28th June 1992