The Third Battle of Ypres, better Known as Passchendaele.
Barrage opened 3.50 AM
Portion of the Right Hand Arc of fire, showing Hilltop Farm Barrage Map dated 31 July, 1917. and marked on the back in pencil as "A" Bty 240 Bde, but "A" & "D" Bty's are not marked on the map.
Hill Top was used as Brigade command post/ Observation post [High point ] Gun Positions marked are not guaranteed accurate. From the History it is clear that the guns of "A" "B" Bty's were at Hilltop see first photo, "C" & "D" Bty's were the other side of Admirals road. with wagon lines at Velamertinghe. See Third Battle of Ypres better known as Passchendaele.