Quarrying Subject Northmead quarries Pyrmont Blake, William George Harrington, Austin (Dick) Hourigan, John Hourigan, Robert Moxham, Robert Henry Moxham, Thomas Robert Moxham, William Dick Pye, Walter Saunders, Robert Schwebel, Adam Blake's quarry Pymble quarry Thornton Hill Quarry Thrupp's Quarry Ultimo Quarries Gang of convicts working in a quarry around Millers Point c1821 Plan of the land on the east side of the northern continuation of Kent Street where the Government quarries are situated ... 1833 Pyrmont Quarry 1893 Pyrmont quarries c1900 Quarry and cottages, with horses & drays, Goat Island c1900 Unknown brickyard