3rd July 2021 GBRf Class 66/7 No. 66723 'Chinook ' and No. 66713 'Forest City' top and rail a loaded rake of Network Rail Autoballaster wagons south at Silk Mills on the 3rd July 2021. The pair were operating 6G71 18:24 Westbury - Lostwithiel for an overnight ballast drop in Cornwall. (Photo: Phil Izzard)