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Image Archive 1: GBRf class 66 on the Monk Bretton sand train at 'Royston Shed' - 4257+4248+OS1953BCC
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Image Archive 1: GBRf class 66 on the Monk Bretton sand train at 'Royston Shed' - 4251+4255
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Image Archive 1: GBRf class 66 on the Monk Bretton sand train at 'Royston Shed' - 4259/4260+4262