Record of events: Co alerted to move. Advance party left Langlir at 0730, 20 Jan 45. Co left at 1130, 20 Jan 45 and arrived at Grand Bru at 1330, 20 Jan 45. roads icy and slick. Weather Cloudy and cold. Morale Good. Map ref Durbux 1:50000 Sheet No 92.