Bob, Tommy, Hughie and Jack, the guides accompanying the Thornycroft expedition to recover the bodies of Anderson and Hitchcock who died of thirst when their plane, the 'Kookaburra' was forced to land whilst searching for the 'Southern Cross'. They are clearing a strip so a future party could attempt to fly the plane out, but it never happened.,
http://collectionsearch.nma.gov.au/?object=111760,
http://trove.nla.gov.au/version/26604719,
http://trove.nla.gov.au/version/26604719 [Berg, W.N. The story of the Thornycroft expedition to the centre of Australia, May-June 1929. Sydney : Bloxham & Chambers, 1929.],
http://collectionsearch.nma.gov.au/?object=111760 [National Museum of Australia. Diary account of the Thornycroft Expedition into Central Australia to recover the bodies of aviators Anderson and Hitchcock in 1929.],