2 Part II, p. 425 Bruce 2002, p. 203 Erickson 2007 p. 132 A comparison of Falls' Sketch Maps 18 and 30 shows that the front line was pushed north into the Judean Hills by about 5 miles between the end of December 1917 and September 1918, to eventually follow the Nahr el Auja east from the Mediterranean coast, along the Wadi Deir Ballut and as a result of the capture of Jericho and occupation of the Jordan Valley, along the Wadi el Auja to the Jordan River.