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 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 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 )

Aztlan Underground is a fusion band from Los Angeles.

Since early 1989, Aztlan Underground has played Rapcore.

Aztlan Underground has been cultivating a grass roots audience across the country, which has become a large and loyal underground following.

Aztlan Underground appeared on television on Culture Clash on Fox in 1993, was part of Breaking Out, a concert on pay per view in 1998, and was featured in the independent films Algun Dia and Frontierlandia.

Aztlan Underground were signed to a Basque record label in 1999 which enabled them to tour Spain extensively and perform in France and Portugal.

Other parts of the world that Aztlan Underground have performed include Canada, Australia, and Venezuela.

Aztlan Underground were nominated for four Native American Music Award categories for the Nammys 2010.

The Alcotts hosted a steady stream of visitors at The Hillside, including fugitive slaves, which they hosted in secret as a station of the Underground Railroad.

* 1942 – Sterling Morrison, American singer and guitarist ( The Velvet Underground ) ( d. 1995 )

This department had been created by the museum to address objects in the collection that had begun to rapidly deteriorate as a result of being stored in the London Underground tunnels during the First World War.

Underground cartoonist and Li ' l Abner expert Denis Kitchen has published, co-published, edited, or otherwise served as consultant on nearly all of them.

* A statue stands outside Malvern Court, south of South Kensington Underground Station, and just north of 7 Sydney Place, where he stayed when performing in London.

He was also known as The Originator because of his key role in the transition from the blues to rock, influencing a host of acts, including Buddy Holly, Jimi Hendrix, The Rolling Stones, The Velvet Underground, The Who, The Yardbirds, Eric Clapton, Elvis Presley, The Beatles, and George Michael, among others.

Underground comic strips covered subjects that are usually taboo in newspaper strips, such as sex and drugs.

Underground comics were almost never sold at news stands, but rather in such youth-oriented outlets as head shops and record stores, as well as by mail order.

The distinction is most easily made when there are two systems such as New York's subway and the LIRR and Metro-North, Paris ' RER and Métro, London's Overground and the tube lines of the Underground, Barcelona's Metro and Rodalies, S-Bahn and U-Bahn systems in Berlin, Frankfurt, Munich or Vienna, the JR lines and the Metro in Tokyo.

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.

Beck's London Underground map is an iconic example.

Christian alternative music has its roots in the early 1980s, as the earliest efforts at Christian punk and new wave were recorded by artists like Andy McCarroll and Moral Support, Undercover, The 77s, Adam Again, Quickflight, Daniel Amos, Youth Choir ( later renamed The Choir ), Lifesavers Underground, Michael Knott, The Altar Boys, Breakfast with Amy, Steve Taylor, 4-4-1, David Edwards and Vector.

This part of New York was in the so-called " Burnt Over District ," which earlier in the 19th century had generated much religious excitement, including the beginnings of Mormonism, and social causes, such as abolitionism and support for the Underground Railroad.

Proposed multi-million euro projects such as the Dublin Metro and the DART Underground will also be considered in light of the current difficult economic climate.

While with the Buzz, Bowie also joined the Riot Squad ; their recordings, which included a Bowie number and Velvet Underground material, went unreleased.

) Elsewhere, the album explored more serious themes, and found Bowie paying unusually direct homage to his influences with " Song for Bob Dylan ", " Andy Warhol ", and " Queen Bitch ", a Velvet Underground pastiche.