[4] A man who became an Australian cattle baron, Sidney Kidman, bought Innamincka in 1908 from the trustees of the estate of William Campbell, when the station covered more than 4,000 square miles (10,360 km2).
He immediately sold 250 bullocks in the Adelaide yards, which were much admired for their "breeding and quality".
[5] Suffering financially after bad drought, Kidman sold the property in 1918;[6] he later repurchased it.
[8] In the late 1950s and the 1960s, the Australian energy company, Santos Limited, conducted a drilling program for oil and natural gas in the Cooper Basin, including at localities near Innamincka; the first commercial gas was discovered in 1963.
Those that affected Innamincka included the following: The station had an excellent season in 1981; the country was reported as having "masses of yellow and white wildflowers".