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Dentro del libro
Resultados 1-5 de 71
Página 3
... tons , a total of 5 million cubic yards . The flow during the heaviest part of the flood was estimated at from 250 to 350 million gallons per day . The approach of water from the quarries was first felt in the mine twenty - three hours ...
... tons , a total of 5 million cubic yards . The flow during the heaviest part of the flood was estimated at from 250 to 350 million gallons per day . The approach of water from the quarries was first felt in the mine twenty - three hours ...
Página 4
... ton . No. 151 rise was started in hanging - wall stone as an escape pass , and holed to 1000 - feet level in 107 feet , width taken 2 feet , value 14 dwts . of gold per ton . Every- thing was ready for rapid development at this level ...
... ton . No. 151 rise was started in hanging - wall stone as an escape pass , and holed to 1000 - feet level in 107 feet , width taken 2 feet , value 14 dwts . of gold per ton . Every- thing was ready for rapid development at this level ...
Página 6
... tons have been carried , of which 554 tons were on account of the public . Mine development has been carried on vigorously at the differ- ent levels , footwall drives extended , flood - gate at 1100- feet level put in , air connections ...
... tons have been carried , of which 554 tons were on account of the public . Mine development has been carried on vigorously at the differ- ent levels , footwall drives extended , flood - gate at 1100- feet level put in , air connections ...
Página 9
... tons of zinc- lead ore have been consigned by the Tasmanian Copper and Primrose Companies . The Primrose Company has largely increased its holding , and has also acquired the old Mt. Black leases . The Colebrook Company is intend- ing ...
... tons of zinc- lead ore have been consigned by the Tasmanian Copper and Primrose Companies . The Primrose Company has largely increased its holding , and has also acquired the old Mt. Black leases . The Colebrook Company is intend- ing ...
Página 10
... tons of ore from the surrounding mines , and exported 9380 tons of lead bullion , containing 1,449,386 ounces of silver and 3119 ounces of gold . Magnet Silver Mine . - During the year 7787 tons of silver - lead ore were won and ...
... tons of ore from the surrounding mines , and exported 9380 tons of lead bullion , containing 1,449,386 ounces of silver and 3119 ounces of gold . Magnet Silver Mine . - During the year 7787 tons of silver - lead ore were won and ...
Términos y frases comunes
12 feet 20 feet 31st December accident acres adit alluvial arsenopyrite Beaconsfield boundary bruises cage carrying channel City of Hobart Coal Company copper Cox's Bight Creek crosscut east crushed depth district Ditto Ditto drive dwts east reef explosives feet feet further feet west feet wide flat fractures further west Gate reefs gelignite gold-bearing Golden Gate gossan granite ground Grubb's shaft Gully hill Hobart inches injured intersected Loane's reef lode Lyell main reef main shaft Mangana Married Mathinna Miner's Dream mineral Mount Cameron Name of Sufferer north and south north-west occur outcrop passed payable prospecting pyrites pyrrhotite quantity quartz quartz veins quartzite reef formation reef-channel Renison Bell rock sandstone schist Section shoot slate sluice South Gate stone stope strata sunk surface Tasmania Gold Tasmanian Consols tion tons truck tunnel underground underlay ventilation west reef western reef width winze Zeehan zone