WHY THAT MAP  Why do you have THAT map of H and Hs supposed route  There is nil to say who did that map  To my knowledge it is one made up recently  It has totally and utterly NO veracity  You have a Phd  Howcome you have not used the map of the expedition from the offical records that is online  Why use recent and made up maps  Come on Adam  this is Ozs history you are doing cactus to  The H and H map is online at the NLA maps  It has Mt Columbus in it so when you find it you will know you have the right map  httpnlagovaunlamapf  try the above   Note the bottom left hand corner of this real map is around jugiong  Looking towards the top of the map is looking towards melb from Jugiong  The bottom right hand side of the map is over around juneecootamundra  You will notice the hume river mid map  Humula  Once called Amercian Yards if its anywhere near where some try and claim these days H and H went  Sturt in his  paper about the origin of the Hume River says Hume River is what we know today as Yanco Ck he gives the coordinates but he may have been referring to the Junction of Yanco Creek and the Murrumbidgee in which case the Hume River is likely the Murrumbeeja  Dont take any notice of the toomut marked on the map either as it isnt referring to the current day town called tumut as the name tumut came from a s court house that got transferred there from the Murray River or Hume River