In 1847, the NSW Legislative Council created the Coal Inquiry and appointed a select committee to investigate the matter. Both Mitchell and Brown gave evidence; Mitchell in relation to his tunnel and Brown in relation to price cutting. Before the committee could issue any recommendations, the Australian Agricultural Company relinquished its monopoly.
In 1847, the New South Wales Legislative Council established a Coal Inquiry and appointed a select committee to investigate the matter. Both Mitchell and Brown provided testimony; Mitchell concerning his tunnel and Brown regarding price fixing. Before the committee could issue any recommendations, the Australian Agricultural Company relinquished its monopoly.