Examples of underground

This example is from Wikipedia and may be reused under a CC BY-SA license.
The mal went underground, and the insults to public order stopped, but it was not fully eradicated until 1873.
Whatever the reasons, fear or underground propaganda, in the final instance the decision to hide must have been of a personal nature.
Work began on the offices and an underground car park in 1963.
Perhaps sand carried by the glaciers buried protective nutrients deep underground.
A steeper decline was set in motion in the coal industry when women were banned from underground work in 1928.
Still, water/ice may lie at some depth underground.
As long as the music was sold with the label of ' progressive rock', it should be perceived as having some quality of the underground ideology.
Underground means saying exactly what's on your mind whatever it may be, swearing, slang, rhyme, and flow.
The glaring problem with this is that punk did not disappear but instead evolved into many different underground scenes.
To music consumers who are unfamiliar with the appearance of underground tapes, they have little commodity value.
The label four-track is commonly associated with underground music; however, the former indexes the production process more directly.
Underground hip hop consumers who ardently embrace cassette tapes do so for symbolic, practical and ideological reasons.
However, due to their small and exclusive market, most underground tape producers have the luxury of giving these matters little to no thought.
Associating a piece of underground hip hop music with a source sample or sound certainly enhances its ability to communicate an experience.
The particular underground scenario had a problem that offered a long term potential for an automatic coal thickness measurement system.
We hypothesize that similar organisms could thrive in the underground aquifer that underlies the region.
By joining the political system, they lost much of their legitimacy as underground, opposition forces, and these par ties are scrutinized in new light.
Eight sensors, which are also placed underground, react to the movements of visitors and trigger specific sound and speech transformations.
During the survey, in ten underground pits opened within four months of storage life, weevils had attacked 45+70% of the stored grain.
Roughly speaking, the informal sector is the untaxed and unregulated market sometimes referred to as the underground economy.
Musical gestures that had been overt move underground into the very substructures of the music.
The species usually enters living trees from underground or occasionally through broken stems caused by mechanical injury or fire.
Two relatively intact carcasses a nd dismembered parts of 11 other carcasses were dragged underground by crabs.
Seeds on carcasses taken underground by crabs did not show improved success.
Neither teleology nor values disappeared from the natural sciences; however, they did go underground.
Within their mode of thinking there was no space for the tiny underground louse they had never seen "causing" the grapevine disease.
The crystallisation of the backpacker persona is connected to the large proportion of students (carrying book bags) who make up underground hip hop scenes.
Then it shows a context similar to the third millennium, with piracy and other "undergrounds".
From
Wikipedia