John Harker's Shipyard, Knottingley, 10.09.1964 Built at the John Harker shipyard in Knottingley, the George Dyson was launched on 10th September 1964. From the Pontefract & Castleford Express 17th September 1964 page 6: "BARGE LAUNCHED Mrs. F.S. Poole, wife of the Chairman of Laporte Acids, launched an all welded general cargo barge for G.D. Holmes … Continue reading The Launch of the George Dyson