Mount Jackson is a hill in outback Western Australia located at 30°14′56″S 119°15′50″E / 30.249°S 119.264°E / -30.249; 119.264.
Augustus Gregory discovered and named the 617-metre (2,024 ft) high landmark on 17 August 1846 during his first expedition east and north of the Swan River.
[2] Prospectors James Speakman and William Hall discovered gold there in January 1894.
[4] Ore is trucked to Koolyanobbing via a haul road and then by rail to port at Esperance for export.
[5] Portman was acquired by Cliffs Natural Resources Limited in January 2009.