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The Big Hole has a surface of 17 hectares (42 acres) and is 463 metres (1,519 ft) wide. It was excavated to a depth of 240 metres (790 ft), but then partially infilled with debris reducing its depth to about 215 metres (705 ft). Since then it has accumulated about 40 metres (130 ft) of water, leaving 175 metres (574 ft) of the hole visible.
Restored locomotive at the Kimberley Mine Museum. The Big Hole, previously known as the Kimberley Mine Museum, is a recreated townscape and museum, with Big Hole viewing platform and other features, situated next to the Kimberley Mine ("Big Hole"). It houses a rich collection of artefacts and information from the early days of the city.
Mining of sulfide minerals began in the district in 1864. Placer deposits were mined out by 1867. Silver vein lodes were then the most productive until copper was discovered in 1881. Open-pit mining started in 1955. Copper has historically been the main metal produced, though lead, zinc, manganese, silver and gold have been produced at various ...
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[3] [5] Since then, an Open Mine Museum and the Jagers Mining Village have opened as tourist attractions at the site. Research by historian Steve Lunderstedt in 2005 confirmed that the mine was the biggest hand-excavated hole in the world at 19.65 hectares (48.6 acres), slightly larger than the Big Hole of 17 ha (42 acres) in Kimberley , which ...
Share of the Homestake Mining Company, issued 5. November 1879. In 1879 the partners sold shares in the Homestake Mining Company, and listed it on the New York Stock Exchange. The Homestake would become one of the longest-listed stocks in the history of the NYSE, as Homestake operated the mine until 2001.
Big Pit National Coal Museum (Welsh: Pwll Mawr Amgueddfa Lofaol Cymru) is an industrial heritage museum in Blaenavon, Torfaen, Wales. A working coal mine from 1880 to 1980, it was opened to the public in 1983 as a charitable trust called the Big Pit (Blaenavon) Trust.
A large stone measuring "from 4 to 5 yards long, 2 feet broad, and from 10 inches to a foot in thickness" (approximately 4m x 0.6m x 28 cm) had fallen from the roof. Above it was a large hole going up at least 15 feet (4.6 m) possibly as much as 36 feet (11 m) to the coal seam above.