Mining Subject Balmain Colliery Katoomba coal tramway Agnes Napier Sydney Harbour Collieries Act 1903 Australian Kerosene Oil and Mineral Company Balmain Coal Contracting Company Gladstone Colliery Glen Shale Mine Harrington's Clay and Shale Pits J & A Brown Natural Gas & Oil Corporation Ruined Castle Shale Mine Sydney Collieries Ltd Sydney Harbour Collieries Sydney and Port Hacking Coal Company Ltd Brown, John Copeland, Henry Gregson, Jesse Holtermann, Otto Huntley, TS Keegan, Thomas Kelly, Thomas Hussey North, John Britty Balmain Colliery Katoomba Colliery Ltd Katoomba coal tramway A broadcasting party who descended nearly 3000 feet below Sydney Harbour, Balmain August 1926 Balmain Coal Mine 2 August 1950 Balmain Colliery c1920 Balmain Colliery workings to 1931 Bernard Otto Holtermann with the The Holtermann Nugget c1873-79 Coal Reached Under Sydney at 2880ft. Views of the Colliery November 1901 Coal lumpers at work, SS Bellambi 1906 Coal trimmers Newcastle 1956 Harbor Collieries Coal Mine, Balmain 1897 Howard Smith coal wharf Blackwattle Bay 1922 Katoomba coal mine 1886 Old coal depot Milsons Point 1907 Shovellers in the hold 1930s The Lady Parkes 1,347 oz gold, won from Bushman's mine, Parkes, NSW Unloading coal at Katoomba railway station, under snow, 1950s