A black and white poster with a drawing of an Aboriginal man holding a spear and shield. The text of the poster is: Rocket range menance threatens Aboriginal life. Protest meeting. Melbourne Town Hall Monday. Mar. 31st 8pm. Speakers: Dr Chas Duguid, Mrs D. Blackburn. MHR, Mr Bill Onus. Aust. Aborigines League. Chairman: Very Rev. Dr. R. Wilson Macaulay.