GBRf 66715 "Valour" has just left the main line at Princes Risborough and is now on the branch to Aylesbury, about to pass the foot-crossing at Park Mill Farm. It is working 6M48 from Thorney Mill to Calvert with a trainload of spoil in well-loaded MLA wagons. This train runs MFO, as required, for the time being. 11:34, Monday 5th November 2012. Digital Image No. GMPI12818.