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Underground coal mining commenced around 1899 by the Seattle and San Francisco Railway and Navigation Company, although coal had been mined in nearby Danville and Landsburg a few years earlier.
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Underground and coal
A major location on the Underground Railroad in the middle 19th century, the city today is a major coal port on Lake Erie at the mouth of the Ashtabula River northeast of Cleveland.
* Underground coal gasification
Underground resources include copper, mercury, iron ore, chromium, manganese, asbestos, bauxite, graphite, phosphate, kaolinite, clay, limestone, quartz, marble, magnesite, fire clay, coal and nickel.
* Underground coal gasification, a gasification process carried on in non-mined coal seams using injection and production wells drilled from the surface
Underground coal mining brings with it the problem of subsidence.
Underground coal fires of several hundred to over a thousand degrees Celsius may raise the surface temperature by only a few degrees.
Underground coal mines can be equipped with permanently installed sensor systems.
Underground coal seam fires are customarily quenched by inertization through mine rescue personnel.
* Underground coal gasification
Lots Road Power Station is a disused coal and later oil-fired power station on the River Thames at Lots Road in Chelsea, London in the south-west of The Royal Borough of Kensington and Chelsea, which supplied electricity to the London Underground system.
Underground coal seams are dewatered through pumping, which reduces pressure and releases trapped gases up to the well head.
Underground coal gasification is an industrial gasification process, which is carried out in non-mined coal seams using injection of a gaseous oxidizing agent, usually oxygen or air, and bringing the resulting product gas to surface through production wells drilled from the surface.
Underground coal mines are thoroughly inspected at least four times annually by MSHA inspectors.
* Underground coal gasification
Underground mining ( soft rock ) refers to a group of underground mining techniques used to extract coal, oil shale and other minerals or geological materials from sedimentary (" soft ") rocks.
Underground and mining
Underground mining was described in this account, although it cannot be determined when it had started.
Schematic of a Underground mining ( hard rock ) | cut and fill mining operation in hard rock.
Underground longwall mining.
Underground hard rock mining refers to various underground mining techniques used to excavate hard minerals, mainly those containing metals such as ore containing gold, silver, iron, copper, zinc, nickel, tin and lead, but also involves using the same techniques for excavating ores of gems such as diamonds.
Category: Underground mining
* NORCAT's Underground Mine Centre ( Fecunis Adit ), used for underground training and mining technology development in Onaping, ON, Canada
Category: Underground mining
* Underground mining equipment
Underground mining continued sporadically until 1922, when the last of the pumps was shut off causing the mines to flood.
Underground mining ceased in Snailbeach in 1955.
Underground mining began with the Day Dawn mine in 1931 ; a number of similar operations were opened before and after the Second World War.
Underground mining methods are used for the Korobkovskoye deposit.
Now it is mainly a tourist destination and home to the Kimberley Alpine Resort, a ski area and the Kimberley Underground Mining Railway that features a underground mining interpretive centre.
Category: Underground mining
Underground mining in the area was begun in 1890, and Daniel C. Jackling and Robert C. Gemmell, both engineers, examined Wall's properties and recommended open-pit mining.
Category: Underground mining
Underground mining developed in the 19th Century, but the stone trade declined in the 20th Century stopping in the 1960s.
Category: Underground mining
* Underground mining ( hard rock )
* Underground mining ( hard rock )
Underground and commenced
The last London Underground services ran in October 1975, and British Rail services commenced in August 1976, replacing services run into Broad Street via the City Branch of the North London Line.
Underground and around
Tramlink serves seven National Rail stations and has one interchange with the London Underground, at Wimbledon station for the District Line, and one with London Overground, at West Croydon for the East London Line ; one of the factors leading to its creation was that the area around Croydon has no Underground service.
One early example includes the anarcho-punk band Crass, who conducted a campaign of stenciling anti-war, anarchist, feminist and anti-consumerist messages around the London Underground system during the late 1970s and early 1980s.
Unlike systems such as the New York City Subway, few segments of the Underground have third or fourth tracks that allow trains to be routed around maintenance sites.
Accidents on the Underground network, which carries around a billion passengers a year, are rare.
The new magazine tied together earlier artists such as Velvet Underground lead singer Lou Reed, the Stooges, and the New York Dolls with the editors ' favorite band, The Dictators, and the array of new acts centered around CBGB and Max's.
The thriving shopping area around Taipei Main Station includes the Taipei Underground Market and the original Shin Kong Mitsukoshi department store at Shin Kong Life Tower.
Others who arguably conveyed the same influence around the same time or before include John Cale of The Velvet Underground, Little Feat, Laurie Anderson, The Residents and Henry Cow.
It is the longest Underground line and also the busiest with around 260 million passengers a year.
The new system enables London Underground to run more frequent trains, increase capacity by a further 33 per cent, and cut journey times by around 22 percent.
* Harriet Tubman, a leading African American abolitionist who helped liberate scores of slaves through the Underground Railroad, worked in a Cape May hotel around 1850.
This division is largely because the eastern side grew around what is now the High Barnet Underground branch of the Northern Line.
Before the American Civil War, the area around West Branch was an active focal point of the Underground Railroad, a network for the freeing of slaves from the southern states.
A number of other festivals operate around the world, most prominently The Comedy Festival in Las Vegas, the Vancouver Comedy Festival, the New York Comedy Festival, the Boston Comedy and Film Festival, the New York Underground Film Festival, the Sydney Comedy Festival, and the Cat Laughs Comedy Festival in Kilkenny, Ireland.
Located north of the Mason-Dixon Line, from around 1812 to 1861 the Muskingum River was a major Underground Railroad route used by fugitive slaves escaping from the South on their journey north to Lake Erie and Canada.
Underground Partisans started attacking and destroying German fortifications in and around Ostrołęka.
The Weather Underground Internet site is another popular destination for the submittal and sharing of data with others around the world.
Digital Underground toured nearly every year up until 2008 ; this consisted of thousands of live shows in Europe, Japan, Canada, Australia, and the U. S. While the group's origins lay mostly in Oakland and Berkeley, California, various characters and voices from around the U. S. appeared on the band's albums, while Shock G and Money-B were the only individuals to appear on every album.
The Paisley Underground scene would arise out of Los Angeles in the mid-1980s around Redd Kross, The Three O ' Clock ( originally The Salvation Army ), The Bangles, The Dream Syndicate and others.
For example, the anarcho-punk band Crass used stencils of anti-war, anarchist, feminist and anti-consumerist messages in a long-term graffiti campaign around the London Underground system and on advertising billboards.
The band were formed around the nucleus of Steve Lake from Reading, Berkshire and evolved from a number of jamming sessions with other musicians and friends in Oxford, taking in influences from the Velvet Underground to the Sex Pistols.
Annually in London, thousands of New Zealanders take part in the Waitangi Day pub crawl, a crawl around the Circle Line on the London Underground.
By 2005, annual visitation in Underground averaged around 6 million people.
Other historical structures are the Hendrick I. Lott House ( East 36th Street between Fillmore Ave and Ave. S, built around 1720 ), which was a stop on the Underground Railroad, and the Flatlands Dutch Reformed Church.
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