Page image

C:—3

Page Quartz-workings (North Island) — continued. Waihi Gold-mining Company's Returns .. 108 Middle Island .. .. ..108-124 Abstract of Licenses for Special Claims, &c. 108-111 Collingwood District .. .. ..111-112 Lyell District .. .. .. 112 Maruia District .. .. ..112-113 Reefton District .. .. ..113-116 Murray Creek District .. ..116-117 Painkiller District .. .. .. 116 Merrijigs .. .. .. ..116-117 Grey District .. .. .. 117 Blackball District .. .. 117 Ross District .. .. .. 117 Cedar Creek .. .. .. 117 Battery Returns, West Coast Districts . .117-118 Otago District .. .. ..118-124 Abstract of Special Claims, &o. . .118-120 Macetown District .. .. ..120-123 Nenthorn .. .. .. 123 Preservation Inlet .. .. ..123-124 Returns from Quartz-mines for Year ending 31st March, 1897 .. .. .. 124 Alluvial Mining .. .. .. 124-136 Nelson District .. .. ..124-125 Collingwood .. .. ..124-125 Takaka.. .. .. .. 125 Motueka .. .. ..125 Marlborough .. .. .. 125 West Coast .. .. ..125-130 Westport .. .. .. 125 Bradsbaw's Terrace .. .. 125 Addison's Flat .. .. ..125-126 Charleston .. .. ..126-127 Grey Valley .. .. .. 127 Arahura.. .. .. ..127-128 Kumara .. .. .. .. 128 Waimea .. .. .. 128 Rimu, Back Creek, and Seddon's Terrace .. 129 Ross .. .. ~ ..129 Dredging .. .. .. 129 Otago District .. .. ..130-135 Marewhenua .. .. .. 130 Naseby .. .. .. ..130-131 Welshman's Gully .. .. .. 131 St. Bathan's .. .. ..131-132 Vinegar Hill and Cambrian's .. .. 132 Matakanui .. .. .. 132 Queenstown and Lake Wakatipu .. 133 Alexandra South .. .. .. 133 Bald Hill Flat .. .. 133 Roxburgh .. .. .. 134 Island Block .. .. .. 134 Tuapeka .. .. .. 134 Weatherstone's .. .. .. 134 Waipori .. .. .. ..134-135 Waikaia .. .. .. .. 135 Nokomai.. .. .. .. 135 Southland District .. .. ..135-136 Round Hill .. .. ..135-136 Dredging .. .. .. ..136-141 Abstract of Licenses for Dredging-claims in Otago and Southland .. .. ..136-137 Cardrona River .. .. .. 137 Upper Shotover .. .. ..138-139 Shotover River, Queenstown .. .. 139 Victoria Bridge, Kawarau River .. .. 139 Kawarau-Cromwell .. .. .. 139 Clyde .. .. .. ..140 Alexandra .. .. .. .. 140 Ophir .. .. .. ..140 Roxburgh, Clutha .. .. 140 Miller's Flat, Clutha .. .. .. 140 Island Block, Clutha River .. ..140-141 Lowburn, Clutha River .. .. 141 Bowman's Flat, Clutha River .. .. 141 Earnscleugh Flat .. .. .. 141 Waipori .. .. .. ■. 141 Statement of Affairs of Mining Companies, as published in accordance with the Mining Companies Acts, 1891 and 1894 .. .. 142-151 Water-conservation .. .. ..152-154 Special Conditions and Reservations . .152-154 Precious Stones .. .. .. 154 North Island.. .. .. 154 Middle Island .. .. ..154 Manganese- and Sulphur-mining .. .. 155 Petroleum .. .. .. .. 155 Coal-mining .. .. .. .. 155-162 North Island .. .. .. 155 Middle Island .. .. .. 155-156 Collingwood .. .. .. 155

Page Coal-mining (Middle Island) — continued. Nelson .. .. .. .. 155 Westport .. .. .. .. 156 Grey River and Grey Valley .. .. 156 Canterbury and Otago.. .. .. 156 Phenomena of Colliery Explosions : Paper by Mr. Donald M. D. Stewart .. . .156-160 Timbering in Coal-mines: Report of a Lecture by Mr. H. W. Halbaum .. .. 161-162 Hydraulics: Paper by Mr. Alexander Aitken, Manager, Government Water-races at Kumara 162-170 Notes on Blasting with No. 1 Dynamite, Ammonite, &c, in Chota Nagpur, Bengal, India: Paper by Mr. A. Mervyn Smith .. . .170-171 A New Current Motor .. .. .. 171 The Accumulation of Amalgam on Copper Plates: Paper by Mr. R. T. Bayliss .. .. 172-173 Classifying Tailings before Concentration .. 174 Gold-extraction from Refractory Ores: Paper by Mr. Hiram S. Maxim .. .. .. 174 Concerning Tellurides: Paper from Mining Journal, Railway and Commercial Gazette .. ..175-176 Cyanide Patent: Paper by Mr. William Skey .. 176-177 Patent Rights granted .. .. ..177-205 Improvement in Cyanide Process, by E. Holland and G. W. Horn .. .. .. 177 Improvements in Recovery of Gold and Silver from their Solutions, by C. Gopner and L. Diehl .. .. .. 178 An Improved Process for the Extraction of Gold and Silver from their Ores, by Kate A. May. .178-179 An Improved Machine for use in the Extraction of Gold from Auriferous Material by the Aid of Chemical Solvents, by J. J. Deeble . .179-180 An Improved Regenerative Process for the Treatment of Argentiferous Sulphide Ores, by E. F. Turner .. .. .. ..180-183 A Process for extracting Precious Metals from Refractory Ores by Means of Antimony, and for Recovery of Antimony omployed, by James Woolford .. .. " .. .. 183 Improvements in Apparatus for the Recovery of Precious Metals from their Solutions, by H. L. Sulman.. .. .. ..183-185 An Improved Process for the Treatment of Metalliferous Ores and Products, by E. A. Ashcroft .. .. .. ..185-187 Improvement in the Treatment of Compounds or Ores containing Zinc, by E. A. Ashcroft . .187-189 Improvement in the Treatment of Zinc- and Copper-ores, by W. E. Hughes .. . .189-190 Improvements in the Extraction of Precious Metals from their Ores or from Compounds containing the same, by James Mactear . .190-191 Process of and Apparatus for extracting Gold from its Ores, by J. G. Murphy .. .. 191-194 An Improved Process for the Treatment of Zinciferous Ores .. .. .. 195 An Improved Dredge, by G. Poll .. ..195-197 An Improved Machine for Concentrating and Amalgamating the Precious Metals .. 197-198 Improvements in Mechanical Ore-separators, by J. W. Carter .. .. ..198-199 An Improved Machine for breaking or crushing Ore, Rock, and the like, by W. E. Hughes . .199-201 Improvements in Pulverising-mills, by A. V. Young .. .. .. ..201-202 Improvements in Stamping Apparatus for crushing Ores and other Analogous Stamping Purposes, by D. B. Morison .. ..202-205 Mine-managers' Examination Papers.. . .205-214 List of Mining Managers, Battery Superintendents, and Engine-drivers who have obtained Certificates under the Mining and Coal-mines Acts of 1886, 1891, and 1894 .. .. ..215-218 Summary of Works constructed .. .. 218-221 Concluding Remarks .. .. .. 221 List of Works on Goldfields undertaken wholly by the Mines Department, or by Subsidies to County Councils, Local Bodies, and Prospecting Associations, in progress on the 31st March, 1897 . .222-226 List of Works on Goldfields constructed wholly by the Mines Department, or by Subsidies to County Councils, Local Bodies, and Prospecting Associations, and completed prior to the 31st March, 1897 .. .. .. ..226-236 Return showing the Value of the Sales of Water, and Expenditure on and Collateral Advantages derived from the Working of the Water-races constructed and maintained by Government, during the Year ending the 31st March, 1897 .. 237

ii

Working