“Wikipedia
Raise (mining)
…
In underground mining a raise refers to a vertical or inclined excavation that leads from one level, or drift, to another. A raise may also extend to surface.
( http://en.wikipedia.org/wiki/Raise_(mining) )


“Encyclopædia Britannica
…
underground mining (in mining: Vertical openings: shafts and raises;
Vertical or subvertical connections between levels generally are driven from a lower level upward through a process called raising. Raises with diameters of two to five metres and lengths up to several hundred metres are often drilled by powerful raise-boring machines. The openings so created may be used as ore passes, waste passes, or ventilation openings. An underground vertical opening...”
( http://www.britannica.com/EBchecked/topic/489981/raise )

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Note added at 32 mins (2010-11-22 22:06:57 GMT)
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uskop - raise
niskop - 1. downcast; 2. winse
[Vukičević B, Građevinski rečnik en-sr/sr-en]

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Note added at 54 mins (2010-11-22 22:29:05 GMT)
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U skladu sa definicijom koju je dao kolega Antoni, možda bi još preciznije bilo: inclined raise

“Thyssen Mining (TMCC)
…
Raise Boring
As one of the first North American contracting companies to become involved in raise boring, Thyssen Mining has been providing raise boring services to the mining and civil construction industries since 1976. To date we have completed over 25,000 meters of horizontal, vertical, and inclined raise boring from 0.6m diameter to 4.88m diameter.”
( http://www.thyssenmining.com/services.html )