He was subsequently appointed managing director of Mount Elliott Ltd, the mine's London-based holding company, a position he held until 1922.
[1] After a copper boom during World War I, Corbould faced a number of challenges including falling commodity prices, strikes, and the exhaustion of rich surface orebodies.
In an interview with The North Queensland Register he claimed that the Australian Workers' Union (AWU) had been infiltrated by "Wobblies" and "Bolshie-Joes" attempting to cripple the mining industry.
He had been invited to tour the field, assessing the ore bodies discovered by John Campbell Miles as similar to those at Broken Hill.
Corbould played a key role in consolidating MIM's ground, engineering the acquisition of Randolph Bedford's Mount Isa Proprietary Ltd.