Aboriginal Land Rights Act (Northern Territory)(1976), Australian Court Case, High Court judgement, High Court of Australia, Mabo judgement, Mason v Tritton, 1994, native title, Native Title Act (1993), Northern Territory, R v Murrell (1836), Supreme Court of NSW, Supreme Court of the Northern Territory, terra nullius, United States of America, Walker v NSW (1994), Yanner Murrandoo, Yolgnu, Yunupingu, Galarrwuy