1872—Ernest Giles; first expedition; discovered Lake Amadeus—a large, dry, salt lake.
1872—William Hann; explorations to Charlotte Bay.
1873—Ernest Giles; second trip; death of Gibson; Gibson's Desert named.
1873—Major Warburton; crossed from Alice Springs, overland telegraph line, to the Oakover River, Western Australia.
1873—W. C. Gosse; in charge of Central and Western Exploration expedition from Alice Springs.
1874—Ross and son started from Peake Station, but failed in their endeavours to bridge the desert.
1874—John Forrest; from the Murchison to the overland telegraph line.
1874—John M'Kinlay; died at Gawler, South Australia.
1875—J. W. Lewis, formerly one of Warburton's party, and W. Beresford, were sent by the South Australian Government to survey the country about Lake Eyre.
1875-76—Ernest Giles; third and successful effort to reach Western Australia; returned to Peake Station.