WW1 - Middle East - Australian Mounted Troops on the Main Street at Es Salt (now Al-Salt), Jordan. Es Salt, was 15 miles north east from the Ghoraniyeh crossing of the Jordan River and 4,000 feet above the Jordan River. The First Transjordan attack on Amman (known to the British as the First Attack on Amman) and to their enemy as the First Battle of the Jordan took place between 21st March and 2nd April 1918.