Augustus Gregory had meanwhile been hired in…

Augustus Gregory had meanwhile been hired in September 1857 by the government of New South Wales to search for traces of Ludwig Leichhardt, the fellow explorer who had disappeared on an earlier expedition.

A party of nine was formed with Gregory in command and his brother, C. F. Gregory, as second in command.

On March 24, 1858, the expedition left Juandah, and on April 21 a tree marked with an L is found in latitude 24 degrees 35 minutes and longitude 146 degrees 6 minutes.

The Barcoo River is then followed to ...