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

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.

* 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 coal mining brings with it the problem of subsidence.

Underground mining ceased in Snailbeach in 1955.

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 )

* The Underground Comix movement began as a network of fanzines.

When Warhol began managing The Velvet Underground he proposed that the group take on Nico as a " chanteuse ".

Immediately following her musical work with the Velvet Underground, Nico began work as a solo artist.

The Piccadilly line began as the Great Northern, Piccadilly & Brompton Railway ( GNP & BR ), one of several railways controlled by the Underground Electric Railways Company of London ( UERL ), whose chief director was Charles Tyson Yerkes, although he died before any of his schemes came to fruition.

Farrell and Avery bonded over a mutual appreciation for Joy Division and The Velvet Underground and began to practice together, even though Avery never did become a full-fledged member of Farrell's disintegrating group.

In November 2006, the Dolls began headlining " Little Steven's Underground Garage Presents the Rolling Rock and Roll Show ," about 20 live gigs with numerous other bands.

In 2009, television sketch comedy Saturday Night Live began a reoccurring series of sketches about the " Kickspit Underground Rock Festival " which parodies Juggalos and the Gathering of the Juggalos.

Many popular Chicano and Chicano-led rock bands began to emerge during the mid and late 90s such as Downset, Spineshank, At the Drive-In, P. O. D., Fenix TX, Unloco, Union 13, Voodoo Glow Skulls, MxPx, Adema, Los Lonely Boys, Aztlan Underground, Ozomatli and The Latin Soul Syndicate.

Underground working began in the early 1840s, and by 1847 the quarry was being worked by local landowner John Pughe.

The original members of the Dwarves began making music together in the mid-1980s as teenagers in the Chicago garage rock outfit, Suburban Nightmare, which was compared to The Sonics, and which has been described as part of the Paisley Underground scene.

Mid 2002, Still un established, Tao met another young man known as Lowkey, The UK Rapper responsible for Underground Classics Like " The Mad World Remix " as well as The " Key to the Game " Trilogy, Wordplay with his influence began taking a more professional approach to industry.

Many of these groups began their musical careers with little or no awareness of ( or interest in ) rock and roll: exposure to the increasingly radical and innovative music of the Velvet Underground, Pink Floyd, Frank Zappa and Jimi Hendrix, for example, led members of groups like Can and Kraftwerk to embrace popular music for the first time.

Underground Atlanta, Inc. was incorporated May 2, 1967 and began acquiring options to lease buildings under Central Ave, Pryor, Whitehall, Hunter, Alabama, and Wall Street viaducts.

Adjacent landowners began to develop their land in the 1860s as a result of the creation of new roads and a boom in the development of areas around London, and the absorption of South Kensington into London was sealed by the arrival of the Underground to Gloucester Road and South Kensington in 1868, linking the area directly to the main railway termini and to the political, commercial and financial hearts of the city in Westminster, the West End and the City of London.

The Album Underground Rock format began after the classical music segment.

When London Underground began converting trains for one-person-operation during the 1970s and 1980s, the original emergency brake systems were replaced by an alarm and a passenger-communication system.

On September 2001, Fleshcrawl began recording their sixth studio album, Soulskinner at Studio Underground in Västeras, Sweden.

Beginning in 1994, the Mystik Journeymen began cultivating a fan base by selling their own tapes on the streets and hosting " Underground Survivors " shows in East Oakland.

In December 2006, three former original Faster Pussycat members ; Brent Muscat, Eric Stacy and Brett Bradshaw alongside The Underground Rebels vocalist Kurt Frohlich began performing under the name Faster Pussycat, creating two versions of the band both claiming to be the ' original '.

Clark began developing new fans among L. A .' s roots-conscious Paisley Underground scene.

In the period 1969-1970 a number of these papers grew more militant and began to openly discuss armed revolution against the state, printing manuals for bombing and urging readers to buy guns ; but this trend of the previously pacifistic underground press toward violent confrontation soon fell silent after the brief rise and fall of the Weatherman Underground and the tragic shootings at Kent State.

The first elements of the Underground State were established in the final days of the German invasion of Poland that began in September 1939.

DJ Hype began producing in 1989, engineering and co-producing tracks ( including " Exorcist " and " The Bee ") for Kickin ', Strictly Underground, and Suburban Base.

In an effort to improve their collective situations, most of the underground railways in London: the C & SLR, the CLR, the Great Northern & City Railway and the Underground Electric Railways Company of London ( UERL, which operated the Baker Street & Waterloo Railway ( BS & WR ), the Great Northern, Piccadilly & Brompton Railway ( GNP & BR ), the CCE & HR and the MDR ) began, from 1907, to introduce fare agreements.

From 1908, they began to present themselves through common branding as the Underground.