Riot Act felt uncertain of their power to take action to stop the riots without a reading of the Riot Act. After the riots, Lord Mansfield observed that the Riot Act did not take away the pre-existing power of the authorities to use force to stop a violent riot; it only created the additional offence of failing to disperse after a reading of the Riot Act. The Riot Act was read prior to the Peterloo Massacre of 1819, as well as prior to the Bristol Riots at Queen's Square in 1831. Both are held to be related to the Unreformed House of
Forrest River massacre given by the brother of one of the participants in the massacre. The findings have been disputed by journalist Rod Moran, who argues that the claims of a massacre were a myth promoted by a psychologically disturbed missionary. His analysis has received some academic support while other academic historians accept that a massacre did take place but disagree over the number of victims. In 1921 two returned servicemen, Leonard Overheu and Frederick Hay, applied for a grant under the War Service Land Settlement Scheme. Nulla Nulla station was excised from the Marndoc Aboriginal reserve with the traditional owners, the King