Anzac Mounted Division War Diary May 1917 AWM4-1-60-15 part 1 Appendix 116 Provisional Defence Scheme p. 2 When ordered, the Imperial Mounted Division, which was in reserve, was to saddle up at once and move to the road junction 1.0 miles south of El Melek, where orders would be received from Desert Column headquarters, which would also move forward.