subsurface shaft

subsurface shaft
шахтный ствол без выхода на поверхность

English-Russian mining dictionary. .

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  • shaft —    1. Vertical, or steeply inclined, sections of a cave passage, of enormously varied size. The world’s deepest known shaft is the entrance shaft of Brezno pod Velbom on the Kanin plateau, Slovenia; it is 501m deep, with no ledges. Much debate… …   Lexicon of Cave and Karst Terminology

  • environmental works — ▪ civil engineering Introduction       infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations …   Universalium

  • London Underground infrastructure — The infrastructure of the London Underground includes 11 lines, which serve 268 stations by rail. Lines on the Underground can be classified into two types: subsurface and deep level. Lines of both types usually emerge onto the surface outside… …   Wikipedia

  • Geology of Mars — Mars   Mars as seen by the Hubble Space Telescope Designations …   Wikipedia

  • Qanat — A qanat (from ar. قناة) or kareez (from fa. كاريز) is a water management system used to provide a reliable supply of water to human settlements or for irrigation in hot, arid and semi arid climates. The technology is known to have developed in… …   Wikipedia

  • cave — cavelike, adj. /kayv/, n., v., caved, caving. n. 1. a hollow in the earth, esp. one opening more or less horizontally into a hill, mountain, etc. 2. a storage cellar, esp. for wine. 3. Eng. Hist. a secession, or a group of seceders, from a… …   Universalium

  • Mars — This article is about the planet. For other uses, see Mars (disambiguation) …   Wikipedia

  • agricultural technology — Introduction       application of techniques to control the growth and harvesting of animal and vegetable products. Soil preparation       Mechanical processing of soil so that it is in the proper physical condition for planting is usually… …   Universalium

  • History of coal mining — Due to its abundance, coal has been mined in various parts of the world throughout history and continues to be an important economic activity today. Compared to wood fuels, coal yields a higher amount of energy per mass and could be obtained in… …   Wikipedia

  • King's Cross fire — The King s Cross fire was a fatal underground fire in London which broke out at approximately 19:30 on 18 November 1987, and which killed 31 people.It took place at King s Cross St. Pancras, a major interchange on the London Underground. The… …   Wikipedia

  • Marcellus Formation — Stratigraphic range: Middle Devonian …   Wikipedia


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