Victorian Government Reports, noted 'Gold Fields Statistics' for 1861 && 1863, Mineral Statistics of Victoria' for 1864, 'Reports of the Mining Surveyors and Registrars' for 1867, 1871, 1875, 1877, 1879 && 1882, Geological Survey of Victoria - Report of Progress' No.V 1878 && No.VII 1884, Memoirs of the Geological Survey of Victoria - No.4 The Ballarat East Gold-Field' & 'No.7 The Deep Leads of Victoria'. Nice group with fold-out maps & illustrations.