The two photographs on Page 8 were taken by an RE8 of 6 Squadron, part of the squadron's aerial reconnaissance operations over the Western Front during WW1.

 

Both photographs were taken over Dammstrasse, east of St Eloi, as defined by the mapping coordinates 28. O. 3. D and 28. O. 3. C, each area measuring 500 yards square. The first photograph was taken on the 1st May 1917 and the second on the 12th June 1917, 5 days after the 19 mines were detonated beneath the German lines along the Messines ridge.