Bill Onus (Son of William Onus from Wollombi Brook and grandson of Martha Everingham from Sackville Reserve) becomes politically active while at Salt Pan Creek, an Aboriginal squatters camp south-west of Sydney containing refugee families of dispossessed clans seeking to escape the harsh policies of the APB. Salt Pan Creek becomes a focal point of Aboriginal resistance in NSW. Onus develops alliances with future activists including Jack Patten. He becomes involved in the Aborigines Progressive Association during the late 1930s.